[Q] A couple of questions regarding sdhc card + screen protectors - Galaxy S III Accessories

What's the difference between class? I see class 10 and class 4, class 4 is a lot cheaper then 10 but what's the actual difference? Does class 10 transfer files faster or something?
and also can anybody recommend a good screen protector? I had one come free with my case on eBay but it doesn't even fit the whole screen
Thanks all

Class refers to the minimum read/write speed in MB/sec. Reputable brands actually adhere to these speeds while others are relatively meaningless.

As stated above for SD cards.
And for screen protectors, get Xtreme guards, simoly looked amazing in my One X. Waiting for them to come in the mail for the S3 now.
Sent from my sexy white Galaxy S3 on T-Mobile.

Does it really matter though?

SD speed?
Depends on what you do with that card.
If it's a big card and you often transfer large files to and from it, transfer speed does matter.
If you record HD videos directly to your sd card and your card isn't fast enough your video might stutter or have artifacts.
If you put games on your SD card and those games depend on high transfer rates, you might get lag.
But since the S3 has at least 16GB of internal memory you should have enough space to put stuff that need high transfer rates to your fast internal memory.
A class 2 or 4 sd card should suffice for most people. If you need the high transfer rates though, you'll have to go with a faster card.

Cards get memory lag which means they slower to access files when they filled with a load of files, so ignore the class ratings because a decent quality Class 4 works better in everyday use than a cheap Class 10 even if it can potentially transfer faster.
And files for a phone aren't usually neatly lined up so easily the best value card is Class 6 or 10 SanDisk Ultra then you know your phone can handle anything you throw at it.

shamez23 said:
SD speed?
Depends on what you do with that card.
If it's a big card and you often transfer large files to and from it, transfer speed does matter.
If you record HD videos directly to your sd card and your card isn't fast enough your video might stutter or have artifacts.
If you put games on your SD card and those games depend on high transfer rates, you might get lag.
But since the S3 has at least 16GB of internal memory you should have enough space to put stuff that need high transfer rates to your fast internal memory.
A class 2 or 4 sd card should suffice for most people. If you need the high transfer rates though, you'll have to go with a faster card.
Click to expand...
Click to collapse
Ahh okay, I plan on watching movies and stuff I'll just go with the class 10 over the cheaper one I just wanted to know how it would affect phone use
I'm going to get this I think:
http://www.ebay.co.uk/itm/Sandisk-U...ain_3&hash=item4abb2020b8&_uhb=1#ht_500wt_969
16gb is more then enough for me plus the 11gb I have in my internal storage

UrbanDesigns said:
Ahh okay, I plan on watching movies and stuff I'll just go with the class 10 over the cheaper one I just wanted to know how it would affect phone use
I'm going to get this I think:
http://www.ebay.co.uk/itm/Sandisk-U...ain_3&hash=item4abb2020b8&_uhb=1#ht_500wt_969
16gb is more then enough for me plus the 11gb I have in my internal storage
Click to expand...
Click to collapse
Look for a seller with a much higher feedback because there's a serious chance you could get scammed with a fake card there.
But if you find a genuine one that is a good one, but personally I'd spend a bit more for the 32gb card then you know you've always got enough space if your needs change.

Geordie Lad said:
Look for a seller with a much higher feedback because there's a serious chance you could get scammed with a fake card there.
But if you find a genuine one that is a good one, but personally I'd spend a bit more for the 32gb card then you know you've always got enough space if your needs change.
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Click to collapse
Oh yeah I just saw the feedback, how can I see if it's fake? I'd definitely return the card if it turned out to be fake..
I looked at his feedback and 2 people have said the cards were good

UrbanDesigns said:
Oh yeah I just saw the feedback, how can I see if it's fake? I'd definitely return the card if it turned out to be fake..
I looked at his feedback and 2 people have said the cards were good
Click to expand...
Click to collapse
People setup new accounts and build up a few hundred fake feedback pm more people are likely to buy from them, I mean I'm not saying by any means this is a scammer but just find another seller with feedback in the thousands to be more safe.
And the only way to tell if it's a fake is run a benchmark in your computer and check the card and packaging look real compared to pictures.

If you only want to watch movies a class10 is probably overkill. The problem is when you want to use the camera to record 1080p movies.
There is a difference between write and read speeds of flash memory like sd cards. They usually are pretty fast when it comes to reading but writing speed is another matter.
You should be fine with a good class4 card like one from sandisk.

shamez23 said:
If you only want to watch movies a class10 is probably overkill. The problem is when you want to use the camera to record 1080p movies.
There is a difference between write and read speeds of flash memory like sd cards. They usually are pretty fast when it comes to reading but writing speed is another matter.
You should be fine with a good class4 card like one from sandisk.
Click to expand...
Click to collapse
what about writing to my internal and copying over to my SD if I need to?

Writing from your internal to your external memory will be as slow/fast as writing from a cardreader to your sd card. Depending on the writing speed of said card.
When your sd card is too slow for direct 1080p recording your suggestion is a valid way to record those videos without lag. Record onto the fast internal memory and then move it to the slower external memory when you need space on the internal one. The sd card will still be fast enough to play the video.
Would be annoying if you had to do that a lot, though. If that's the case you should spend the extra money for a faster sd card.
I have no idea how fast that card has to be. I never had a device that can record in 1080p. However, I'm using an htc hd2 and run most of my apps(including games) from my sd card and in the beginning even the OS. I never noticed any stuttering or lag that didn't come from the OS itself. I've been using sandisk class2 for that and moved to a bigger sandisk class4 recently. No decernible improvement other than that it's a little faster to copy files from my computer to my phone and back, now.
Those cards are rather inexpensive nowadays, especially when we are talking about only 16GB. Don't think about it too much. Just buy one and try. If you have problems with the speed, use it as a flash drive and get a faster card for your phone.

UrbanDesigns said:
Ahh okay, I plan on watching movies and stuff I'll just go with the class 10 over the cheaper one I just wanted to know how it would affect phone use
I'm going to get this I think:
http://www.ebay.co.uk/itm/Sandisk-U...ain_3&hash=item4abb2020b8&_uhb=1#ht_500wt_969
16gb is more then enough for me plus the 11gb I have in my internal storage
Click to expand...
Click to collapse
I'm surprised noone has mentioned this yet. But do not buy that card. That auction is for a SDHC card, our phones are only compatible with Micro SD(HC) cards. If you buy that card, you will not be able to use it in your phone. You will need to find a Micro SDHC card.

To be honest I can't even see me using the 11GB you get on the phone unless it's music, an 8GB would do me just fine but I'm going to get the 16GB just in case, I'm only really getting one for rooting

UrbanDesigns said:
What's the difference between class? I see class 10 and class 4, class 4 is a lot cheaper then 10 but what's the actual difference? Does class 10 transfer files faster or something?
and also can anybody recommend a good screen protector? I had one come free with my case on eBay but it doesn't even fit the whole screen
Thanks all
Click to expand...
Click to collapse
Where are you located?

rudedog1979 said:
Where are you located?
Click to expand...
Click to collapse
I'm in the UK, and I've got a question about the trident case too.
It has a screen that you put over the front, does this mean I'll have to detach the case just to use the phone? The otterbox case looks great and well worth the money after seeing an anchor get dropped without leaving a mark on the case let alone the phone

UrbanDesigns said:
I'm in the UK, and I've got a question about the trident case too.
It has a screen that you put over the front, does this mean I'll have to detach the case just to use the phone? The otterbox case looks great and well worth the money after seeing an anchor get dropped without leaving a mark on the case let alone the phone
Click to expand...
Click to collapse
If you are in the UK, I think you should have a look to this people ebay, I buy everything from them, they now have a nice screen protector and various cases and battery covers (I personally take a lot of care of my phone), check this out:
http://www.ebay.co.uk/sch/monikaeshop/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p3686
Have a special look at the carbon fiber cover and also the privacy screen protector....
Some pictures of my galaxy with them on :

Related

Is it worth paying extra for a faster micro-SD card?

Have just acquired a Touch Pro 2 on eBay, and am now thinking about getting an SD card for it. I assume the TP2 supports SDHC...?
I can get a 16GB class 2 card for about £30, or a 16GB class 6 card for £50. Am I likely to notice much actual difference in speed between the two when used with a TP2?
Depends.
In day to day usage of the TP2, no I don't really think so. You're not going to be able to take pictures any faster (the camera isn't capable of fast shooting), movies will run fine from a slow card. Maybe searching through your email would be a bit faster, if you have a lot, but I can't imagine it will be significant.
Where you would see a difference is if you take your SDHC card out of the TP2 and put it into a PC for dumping lots of data on it at once - for example, copying over lots of MP3s or movies. If you're transferring multiple GBs at a time direct from a PC, you will notice a worthwile % increase with the faster cards.
So if you do that regularly it might be worth it. If you tend to change the data on the card only infrequently, then I doubt it is.
Personally I will be getting a slow card. I only have a fast card SD card for my Digital SLR camera, where the faster card enables more shots to be taken per second.
whatever you do do not get a Transcend class6 16Gb card. They are not compatible. I know there's a thread listing card compatibility in the rhodium forum, but I couldn't find it now.
emwdava said:
whatever you do do not get a Transcend class6 16Gb card. They are not compatible. I know there's a thread listing card compatibility in the rhodium forum, but I couldn't find it now.
Click to expand...
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Wow, thanks for the warning, that was exactly what I was thinking of getting.
firstly i beleive the class relates to write and not read speed.
second do not buy a card off ebay whatever you do.
i have come accross an a-data 16gb class 6 in my searches. in the end i got 8gb class 4 from play for a tenner delivered. may get a 16gb if i ever hit the limit. by then the price will have dropped to reasonable level.
i had a 2gb in my xperia and never filled it. i have a ipod touch for music and a netbook.
Dexter_Morgan said:
firstly i beleive the class relates to write and not read speed.
second do not buy a card off ebay whatever you do.
i have come accross an a-data 16gb class 6 in my searches. in the end i got 8gb class 4 from play for a tenner delivered. may get a 16gb if i ever hit the limit. by then the price will have dropped to reasonable level.
i had a 2gb in my xperia and never filled it. i have a ipod touch for music and a netbook.
Click to expand...
Click to collapse
Whats wrong with the a-data 16gb on ebay? I was thinking of ordering that one.
UnXpectedError said:
Whats wrong with the a-data 16gb on ebay? I was thinking of ordering that one.
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Click to collapse
all the cards i have ever bought off ebay have been fakes.
some have worked but been slow. others have corrupt sectors. some have failed all together. thankfully last time pay pal refunded me.
look at www.sosfakeflash.wordpress.com/
buy the card if you want. that site has programs you can test it with to determine if its legit. i will never buy a memory card from ebay again.
Class only deals with write speeds, not read speeds BUT if the card has a higher write speed, it will normally have a higher read speed as well. (Though it's not a set rule).
Thx for the heads up. I think i'm going to risk it anyways. This seller has been on there since 2000 and has sold a ridiculous amount of flash memory ~20,000. I would hope the system would show some signs of fakery over that span of time.
I will try the tool you linked once it arrives tho.
Thx again
PS here is the ebay item # if you want to look: 380143609813
I decided I didn't really need 16GB of storage anyway, and ordered an 8GB class 6 card - a SanDisk Ultra. Got it from these guys on Amazon UK Marketplace.
They have a pretty high turn-over - nearly 30,000 ratings in the past year. I also used this tool to check whether the card was genuine or counterfeit. It passed with flying colours (no errors at all) so I think it's probably the real deal.
A quick, informal test (copying a 700MB file onto the card) suggested it was writing at about 12.5MB/s when the card was connected directly to the PC's USB port, and about 5.5 MB/s when accessed via the phone (in disk-drive mode). That suggests that the phone might get some benefit from a class 6 card, although it's hard to be sure. Certainly this a is a VERY fast card when removed from the phone and connected straight to the PC. (In fact the testing software rated it even higher - 14.9MB/s write, and 17.5MB/s read).
No reliability problems of the sort associated with the Trascend cards (although I'm not sure that affects 8GB cards anyway).
Trancend 16GB Class 6
I currently have a Trancend 16GB Class 6 and it works just fine.
I only buy cards from Sandisk and usually from amazon. EBay has a lot of fakes on it! I have a 16GB Class 2 from amazon that I picked up for $40. Speed test while in Disk Drive mode through the phone show a Write speed of 3.8MB/s and 6.4MB/s read speed. I have 10GB filled so far and It didn't really take that long to do. I'd say if you were filling the card up with 10GB of new music a day then yeah those speed suck but for a few big loads just to get it started no big deal to me.
I can stream a 800x480 AVC ~1.2Mbit off the card with no hiccups. So I'm not worrie about the speed considering anything more then that the processor becomes the bottleneck not the card.
xul8tr said:
I currently have a Trancend 16GB Class 6 and it works just fine.
Click to expand...
Click to collapse
Do you use your tp2 for music?
try playing a few songs in a row from the music tab with screen turned off...
I just recieved an A-Data 16GB Class 6 from ebay. Seems to be fine, passed memory test with no errors @ 8.9MB/S write and 15.1MB/sec read.
Worth the money just copying video and music files to the drive via pc. Way faster than my previous 8GB Class 2. Don't notice any real difference in the phone tho.
UnXpectedError said:
I just recieved an A-Data 16GB Class 6 from ebay. Seems to be fine, passed memory test with no errors @ 8.9MB/S write and 15.1MB/sec read.
Worth the money just copying video and music files to the drive via pc. Way faster than my previous 8GB Class 2. Don't notice any real difference in the phone tho.
Click to expand...
Click to collapse
Try playing a few songs with the manila musictab with the screen turned off..
I had a Transcend 16Gb class6 that disconnected if I tried that. I had to reboot to get the card to register in the Phone.
Been out on the road for work all week using music over bluetooth and co-pilot 8 heavily. Working like a charm.....maybe i just got lucky.
I'm putting my $0.02 on the table on MicroSDHC cards. Basically for those of you that want faster data transfer on a larger card like an 8GB or 16GB MicroSDHC, it can make a difference but beware of brands that are not well known and their transfer speeds. The Class ratings on the MicroSDHC cards only apply to their guaranteed throughput rates and are NOT indicative of the actual speed experienced on the cards. I've seen some Class 2 Sandisk cards outperform Class 6 A-Data cards before which is a little scary.

32GB sandisk microSDHC for $99

just a heads up... did a search on this forum for "32GB" and didnt find anything. didnt bother searching "microsdhc" since so many people would have a different way of typing it out that it would be near impossible to find on a search.
anyways, Verizon Wireless seems to have the SanDisk 32GB microSDHC cards IN STOCK and is selling them for $99 online with free overnight shipping. most places havent had stock EVER since it was released a couple of months ago. original retail price on them began at $240 or something.
unfortunately, these are Class 2 only, but generally it's not the card that's the bottleneck when it comes to speed on your device. i popped mine in this morning when it arrived and have had no problems with reading at all; 350mb XviD avi rips of TV shows like Rescue Me and 550mb XviD avi rips of Top Gear all play back flawlessly on my Samsung Vibrant.
write speeds have a bit to be desired, but i cant complain due to faster cards being unavailable. compared to my Class 6 16GB card, it has no ill effects from what i have so far observed while in the device.
cliffs: $99 for a SanDisk 32GB microSDHC from verizonwireless.com with free overnight shipping. normal price from them is $150, but is on special for now... the original deal was $50 off with the purchase of a Droid X, but that seems to have changed for a limited time. cheapest i can find it anywhere else using Google Shopping is $140 before tax+shipping.
Thanks for the heads up. Do a search on Engadget for an article on it (I can't post the link). Apparently it just hit the store 8 days ago.
Still, I dunno. I'm kind of on the fence about getting it due to the price (just dropped $550 on the phone itself).
oakie said:
it has no ill effects from what i have so far observed while in the device.
Click to expand...
Click to collapse
So no lag skipping/playing music files or video?
lol 16GB + 32GB = 48GB why? why you need 50GB of space on a cellphone
SuperMiguel said:
lol 16GB + 32GB = 48GB why? why you need 50GB of space on a cellphone
Click to expand...
Click to collapse
real users only need 640k.
anyway, is $100 for it even a good deal? I see 16GB micro sdhc for like $40 (newegg link).
SuperMiguel said:
lol 16GB + 32GB = 48GB why? why you need 50GB of space on a cellphone
Click to expand...
Click to collapse
Because I want to be able to ditch my MP3 player (which currently has 30+ gigs of music) and use my phone exclusively. One less thing to carry around.
designerfx said:
real users only need 640k.
anyway, is $100 for it even a good deal? I see 16GB micro sdhc for like $40 (newegg link).
Click to expand...
Click to collapse
How many slots does your phone have?
-bZj
_____
-sent from my Samsung Vibrant via XDAapp
down8 said:
How many slots does your phone have?
-bZj
_____
-sent from my Samsung Vibrant via XDAapp
Click to expand...
Click to collapse
What does this have to do with my vibrant? I would hope most people know it's only got one place to put a micro sdhc
designerfx said:
What does this have to do with my vibrant? I would hope most people know it's only got one place to put a micro sdhc
Click to expand...
Click to collapse
I think they meant to point out that unless you want to carry around a tiny breakable easy to lose 16gb card in ur pocket or bag and switch out when you need to, having 32gb in one card is more convenient which combined with how newly available the card is, it is quite cheap for the price. You only pay a bit more per GB in this case, normally you'd pay 2-3x more in the beginning for the new highest capacity in flash memory.
ben7337 said:
I think they meant to point out that unless you want to carry around a tiny breakable easy to lose 16gb card in ur pocket or bag and switch out when you need to, having 32gb in one card is more convenient which combined with how newly available the card is, it is quite cheap for the price. You only pay a bit more per GB in this case, normally you'd pay 2-3x more in the beginning for the new highest capacity in flash memory.
Click to expand...
Click to collapse
Ding ding ding - winnar!
-bZj
ben7337 said:
I think they meant to point out that unless you want to carry around a tiny breakable easy to lose 16gb card in ur pocket or bag and switch out when you need to, having 32gb in one card is more convenient which combined with how newly available the card is, it is quite cheap for the price. You only pay a bit more per GB in this case, normally you'd pay 2-3x more in the beginning for the new highest capacity in flash memory.
Click to expand...
Click to collapse
What would someone possibly need on a 32 gb that cant fit on a16 plus having access to any pc you plug your phone into plus another 15 approx gigs internal?
Sent from my Vibrant using xda app
designerfx said:
What would someone possibly need on a 32 gb that cant fit on a16 plus having access to any pc you plug your phone into plus another 15 approx gigs internal?
Sent from my Vibrant using xda app
Click to expand...
Click to collapse
I know at least for me, there's never enough space. Unless they somehow manage to offer Terabyte microSD cards. Even the, I'm sure I'd find a sure for it.
Music, movies, games, ebooks, audiobooks, work files, space for pictures and videos, etc.
Do you NEED to have that much stuff on you? No, but it's nice to have access to everthing and worry less about space.
I know I have 14gb of music on my card and that's mostly just ONE genre of music. I have over 150gb of music. And yes, I do listen to all 14gb that I do have on there. It's good to have access to lots of music for parties and get togethers. Remote access is not always a perfect solution.
Again, I don't NEED all the space, but I sure as heck will use it when I have it.
If I had more space, I'd also partition space on my phone for portable apps. Having access to FireFox, GIMP, Openoffice, 7zip, etc wherever I go is a huge plus.
Maverick777 said:
I know at least for me, there's never enough space. Unless they somehow manage to offer Terabyte microSD cards. Even the, I'm sure I'd find a sure for it.
Music, movies, games, ebooks, audiobooks, work files, space for pictures and videos, etc.
Do you NEED to have that much stuff on you? No, but it's nice to have access to everthing and worry less about space.
I know I have 14gb of music on my card and that's mostly just ONE genre of music. I have over 150gb of music. And yes, I do listen to all 14gb that I do have on there. It's good to have access to lots of music for parties and get togethers. Remote access is not always a perfect solution.
Again, I don't NEED all the space, but I sure as heck will use it when I have it.
If I had more space, I'd also partition space on my phone for portable apps. Having access to FireFox, GIMP, Openoffice, 7zip, etc wherever I go is a huge plus.
Click to expand...
Click to collapse
well yes, I agree, there are things to use the space. I'm just saying given the phone limitations wouldn't it be easier to dropbox and/or grab crap off the pc? The thing does have allshare/server capabilities to make that easier.
designerfx said:
well yes, I agree, there are things to use the space. I'm just saying given the phone limitations wouldn't it be easier to dropbox and/or grab crap off the pc? The thing does have allshare/server capabilities to make that easier.
Click to expand...
Click to collapse
Do you need to be plugged into the PC to get the files off of it? I assume you do, but even if you didn't, think of all the battery power wasted to get the files when you want them. e.g. let's say I am on a bus or stuck waiting for something and want to watch a show or movie on my pc on my phone. I'd need to get on 3g, hope it can all stream fast enough, and the battery would run out super fast using 3g and playing a video all at once.
Also as for the 32gb 16gb argument. I might be able to work with limited storage, but I personally could fill about 5tb or more with anime and movies and tv shows that I'd like, and if I could carry all of that on my phone, and be able to select anything I want immediately and have it right there, that would be amazingly convenient. Therefore as far as I am concerned 16gb, 32gb, it's never really enough, people can always fill more space. However I will deal with having only a 16gb card on my Epic 4G when it comes out.
I thought the max microSD card the phone accepts is 16 gigs as per specs supplied in the manual. Guess those are wrong then? Good to know! Thanks for posting this topic!!
Sent from my SGH-T959 using XDA App
SuperMiguel said:
lol 16GB + 32GB = 48GB why? why you need 50GB of space on a cellphone
Click to expand...
Click to collapse
Duh, for all the porn you gotta shove on the ***** for on-the-go wanking!!! lmao
Wonder if you could rig it up to work with a WHS box streaming from home? Just a thought. That's what I'll do at work tomorrow I think.
bobofosho123 said:
Duh, for all the porn you gotta shove on the ***** for on-the-go wanking!!! lmao
Click to expand...
Click to collapse
What else are you going to do with that beautiful AMOLED screen? Duh
designerfx said:
What would someone possibly need on a 32 gb that cant fit on a16 plus having access to any pc you plug your phone into plus another 15 approx gigs internal?
Sent from my Vibrant using xda app
Click to expand...
Click to collapse
i can fit 20GB of movies, TV shows, and music on a single card without having to connect my phone to a computer to add more.
THAT wont fit on a 16GB card. i dont carry my laptop wherever i go, therefore i dont really have access to any data beyond the 16GB card. maybe you are always near your computer, but i'm not.
Inat said:
So no lag skipping/playing music files or video?
Click to expand...
Click to collapse
none.
i set the removable card slot as the save point for the camcorder app and recorded nearly 7 minutes of video with lots of movement. no issues when recording.
i then played it back using both the built-in video player and eStrong File Explorer's built-in video player and experienced no dropped frames, freezing, or slowdowns, nor did the audio and video go out of sync.
i'm a hobbyist photographer so reliable, fast memory cards are something i'm always on the lookout for. because of this, i've sampled a lot of different brands in the past (i'm always testing different brands to try and find cheaper alternatives for my camera) and have found that SanDisk flash memory cards are consistently much faster than their rated spec. this result with the 32GB microSD is probably no different nor that unusual, based on my previous experience.
if i have some free time this morning and will do some read/write tests of the SanDisk 32GB Class 2 card alongside the original Samsung 2GB card that the Vibrant came with, a SanDisk 2GB Class 2 card, and a SanDisk 16GB Class 6 card i used in my HD2.
SuperMiguel said:
lol 16GB + 32GB = 48GB why? why you need 50GB of space on a cellphone
Click to expand...
Click to collapse
designerfx said:
What would someone possibly need on a 32 gb that cant fit on a16 plus having access to any pc you plug your phone into plus another 15 approx gigs internal?
Sent from my Vibrant using xda app
Click to expand...
Click to collapse
i really dont understand how anyone can manage to COMPLAIN about more data space, or that someone bothered to share a good deal they had found. either you people lead unhappy lives or you're lashing out because you're unable to afford one... because there's no logical explanation you can create to support an argument against a 32GB card except price.
Texag2010 said:
I thought the max microSD card the phone accepts is 16 gigs as per specs supplied in the manual. Guess those are wrong then? Good to know! Thanks for posting this topic!!
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
the microSDHC spec allows for up to 32GB. it's just taken this long (released in the beginning of this year, or so) for a company to create a chip dense enough to reliably manufacture a 32GB microSD card.
the new spec, microSDXC, will cover sizes ranging from 32GB up to 2TB in the Secure Digital format. 64GB SDXC cards are already available from Panasonic and SanDisk.

What is difference in SD card classes

Ok I have an Acer Iconia a500, currently I have only a 6gb card installed. Now when i look online i see that the micro sd cards are rated by classes. What is that for?
I need a 32gb for my Iconia. I do alot of school work from it. Just want the storage for my school books. any way, can someone break it down for me?
Thank You
Sent from my A500 using XDA Premium App
The SD card's class represents the least write speed.
Class 2: 2MB/s
class 4 : 4MB/s
and so on..
I think it's so you can copy and read files faster
ok, got it, higher the class the faster the write speed.
One more thing, now, the higher the class, does anyone know if they have more problems? like with crashing, or having to be re formatted often?
primus123 said:
ok, got it, higher the class the faster the write speed.
One more thing, now, the higher the class, does anyone know if they have more problems? like with crashing, or having to be re formatted often?
Click to expand...
Click to collapse
Nope, problems/crashing etc would be down to quality not size.
Also faster write speed doesn't mean it performs faster when used as a "hard drive" like in a phone, so lower class ones can outperform higher, but you'd have to try them to see.
It's because they're designed with things like cameras in mind, where getting the image saved quickly so you can take another one is the most important thing.
In a mobile phone/tablet they're accessed more randomly, and that is where it's been found that some higher class cards don't perform as well.
Mini SD cards, so tiny for my big hands.
Those mini sd cards are SOOOOO small, I've lost a few over the past 3 years.
so which one should i get for my iconia
androidappdeveloper said:
Those mini sd cards are SOOOOO small, I've lost a few over the past 3 years.
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Tell me about it, I just reordered one after giving up the search on my current one. It's not completely lost, I'll probably come across it one day when re-organizing the room.
I keep mine in those Sd card cases and shove it in a crown royal bag....
You're probably fine with a Class 2 microSD card, as you won't have large files (or a large amount of small files) written in a short time.
Write speeds are generally the most important feature of a memory card. Write speeds determine the amount of time it takes to transfer the data, the moment you for example, click the button on your camera to ask the camera to take the image. You will probably remember that back in the early days of SD memory cards, there was an awful amount of lag time on cards, i.e from when you heard the click on the button (when you asked your camera to take the picture), to when you heard the double click (which is normally when the image has been written to the card).
Read speeds indicate the amount of time it takes for a card to transfer the data to a PC/Laptop. I.e the amount of time it takes to read the data off the card. Generally the higher the capacity of the card, this will naturally give a higher write speed. So if you have a 32GB card full of data and its only a class 2, it would take much longer than a 32GB card thats class 10, to send all the info to your pc etc.
Class 10 cards are recommended for HD video, or minimum class 6 really. You will probably find a 16GB class 4 card for example, will not work on say a Samsung HD Camcorder. It will maybe store only 1 minute of video, as for some reason the HD cannot write the data to the card fast enough it would seem.
Anyone ever lose a mini SDK card?
Plus your SD class is high, more it is fast...
jerryfranks said:
Anyone ever lose a mini SDK card?
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Yes, almost (I found it after w hile), bloody spring so strong it shot across the room!
Pity there's not some little leatherette folder with tiny slots for a few MicroSD cards, I'd buy one!.
iloveapple said:
Write speeds are generally the most important feature of a memory card. Write speeds determine the amount of time it takes to transfer the data, the moment you for example, click the button on your camera to ask the camera to take the image. You will probably remember that back in the early days of SD memory cards, there was an awful amount of lag time on cards, i.e from when you heard the click on the button (when you asked your camera to take the picture), to when you heard the double click (which is normally when the image has been written to the card).
Read speeds indicate the amount of time it takes for a card to transfer the data to a PC/Laptop. I.e the amount of time it takes to read the data off the card. Generally the higher the capacity of the card, this will naturally give a higher write speed. So if you have a 32GB card full of data and its only a class 2, it would take much longer than a 32GB card thats class 10, to send all the info to your pc etc.
Class 10 cards are recommended for HD video, or minimum class 6 really. You will probably find a 16GB class 4 card for example, will not work on say a Samsung HD Camcorder. It will maybe store only 1 minute of video, as for some reason the HD cannot write the data to the card fast enough it would seem.
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Very helpfully post,thanks.
Sent from my GT-I9000 using Tapatalk
Try to continue promoting of you site.
Hi speed cards are more efficient at presenting and recording. It's really up to you. If you buy the cheaper version and it doesn't present at the speed you think it should you'll have answered your own question.
You guys have it mostly right. The higher class your card is the faster it can write a file to its memory, the trade off is that the higher class cards have slower rapid access speeds, something to do with how it prepares files before writing. Basically, a class 10 will write a 1GB file faster, but if you try to write 15 3MB files quickly your performance will suffer. For something like a phone I recommend a class 4 or 6. For cameras I'd go higher (I don't know a whole lot about cameras).
seems like its good

Need a recommendation on SD card

Hey everyone, I've never purchased one of these for a phone as they've always came with one. Anyway I'm looking for a solid recommendation for a fast 32GB SD card. I have a Tiger Direct local to me so I'll probably try to go their today once I have something to reference.
Thanks
A-data are safe
so are Transcend
Legit SanDisk are good, but they are always twice the price of either of the above
AllGamer said:
A-data are safe
so are Transcend
Legit SanDisk are good, but they are always twice the price of either of the above
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What about Class type? I see people say 4 is fine but then I see others that say either 6 or 10 for access speeds relating to pics and videos.
I will recomnend you buying a class 6 or higher; possibly a class 10. Samsung has it in both so u can purchase it
Sent from my SGH-T989 using xda premium
Princew14 said:
I will recomnend you buying a class 6 or higher; possibly a class 10. Samsung has it in both so u can purchase it
Sent from my SGH-T989 using xda premium
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same here
don't buy anything less than class 6, too slow for a good fast phone experience, specially if you plan to run apps from the SD card
Don't do this. Look here: http://forum.xda-developers.com/showthread.php?p=15269669#post15269669
I use a class 4 32gb sandisk and the speed is fine. Lower class cards are more realiable and the average user cant tell the difference unless you're transferring large files or large quantities of files at once. My class 4 acts like a class 6 but is super reliable.
Id highly recommend a class 4 over a class 10. There's a thread around here if you search that will tell you the benefits of a class 4 and lower class against higher class cards.
Deebo took your bike too?
Just purchased 32GB san disk micro SD from amazon for $37 and it works great. Replaced my old 16GB where there was not enought space to keep my fav music library.
Sent from my Galaxy Tab 8.9 using XDA Premium
AllGamer said:
same here
don't buy anything less than class 6, too slow for a good fast phone experience, specially if you plan to run apps from the SD card
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isn't the only thing the class does is gauge the speed of transferring files to and from the sd card, not the actual performance?
camf3xu said:
isn't the only thing the class does is gauge the speed of transferring files to and from the sd card, not the actual performance?
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Higher class, like another poster said, will give you higher speeds for large file transfers. However, this comes (from testing) at a sacrifice in everyday use of read speeds on everyday smaller files (think gallery, music player, etc). That's basically a short summary of what other XDA members have found from testing. Personally, I picked up a 32GB card from SanDisk off of Amazon and am completely satisfied. You may have a slightly slower time adding all of your files initially, but you most likely won't notice the difference when accessing all those files later on the phone. Look up the card on Amazon and the corresponding reviews and decide for yourself. Hope this helps.
Sent from my SGH-T989 using xda premium
personally, i find those Class 10 to perform better for me.
the time it takes to write/read small files is negligent compared to the amount of time it takes to write/read large files like MP3, MKV, etc
those word documents/excel spreadsheets, pdf, notepad texts, loads up instantly on my Adata 32GB Class 10. and i got 3 of them
1 for music
1 for videos
1 for apps/games/docs/work
so again, that is yet another one of those where the benchmark says one thing, but real life usage shows otherwise
I use a PNY 16GB Class 10.

Micro SD Card Questions

I recently pre-ordered the Sony Xperia Z2 which only comes in 16gb so I am forced to get extra storage, but I have a few question regarding micro SD cards. While reading my post please keep in mind I am still a noob. :angel:
1) Is 32gb enough or is it recommended to get 64gb? I will probably watch movies and TV shows but will not be putting music on the phone since I am not a fan for personal reasons. I have also heard that bigger SD cards can slow your phone down and some people tend to have problems with them, is this true?
2) What brand shall I get? SanDisk or Samsung? I have read that even though two micro SD cards are the same size and same class there is still a difference due to the brands.
3) Apart from the storage size and the class of the card is there anything else I should be looking out for?
Thanks
Fadeless said:
I recently pre-ordered the Sony Xperia Z2 which only comes in 16gb so I am forced to get extra storage, but I have a few question regarding micro SD cards. While reading my post please keep in mind I am still a noob. :angel:
1) Is 32gb enough or is it recommended to get 64gb? I will probably watch movies and TV shows but will not be putting music on the phone since I am not a fan for personal reasons. I have also heard that bigger SD cards can slow your phone down and some people tend to have problems with them, is this true?
2) What brand shall I get? SanDisk or Samsung? I have read that even though two micro SD cards are the same size and same class there is still a difference due to the brands.
3) Apart from the storage size and the class of the card is there anything else I should be looking out for?
Thanks
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Click to collapse
Hm....the xperia z2......it has up to 128 gb memory expansion according to gsm arena. If you want to save movies and tv shows to your phone, I suggest you buy a 64 gb memory stick, so you can save more stuff. As for the brand, there's no actual difference to me, and as for the bigger size that makes the phone slower, that's not true, unless you have your memory stick full of stuff like music, videos/movies/tv shows, images and such stuff (note that I have mine with such stuff loaded and I have no problems). Apart from the storage size and the card class, no, I think you're going to be alright. Hope I helped...
if you are a Movie TV fans,i suggest you add a 64gb extra storage,then u could smoothly enjoy the show and u can save more tv show you like
I agree, i fill up a 32 gb like its nothing. and thats just pictures and videos. if you use instagram it fills up allot faster.
Alright, I'll go for the 64gb one and Samsung seems like the reasonable choice to make.
suggest you to get a 64GB extra storage.
and maybe kingston is ok.
Fadeless said:
Is 32gb enough or is it recommended to get 64gb? I will probably watch movies and TV shows but will not be putting music on the phone since I am not a fan for personal reasons.
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We can't really answer that. If you don't re-encode movies you'll likely quickly fill up 32GB. On the other hand, bigger cards get cheaper, faster and more reliable (ok, not always) over time. I'd decide by price, you can always easily replace it later.
go for sandisk ....class 10 ultra ...64 gb . actually you have video recording @ [email protected] will going to take more speed as well as memory than expected .
i have got Samsung micro SD class 10 48mb/s 32 gb huhuhuh! it's cool and works fine!
128 gb micro sd card
Tryn to figure out where to sell my new unopened 128gb micro sd card.
I just sold my vzw note 2 and 2 days ago had Ordered the sd card at best buy will sell for $105 shipped it is new unopened in pack
Here is link to best buy,..
http://m.bestbuy.com/m/e/product/de...cf0-a561-6149-a31a-00002dd127e5&pid=121909834
64
64 GB is the way to go, bigger the better !!
:laugh:

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