Using fast SD cards? - MDA III, XDA III, PDA2k, 9090 General

I see these 66x superfast SD memory cards advertised. Will using one speed up my blue angel?
Can programs use this SD card for operating memory or can they only use the intenal memory?
Does having <5mb avaialable slow down your device?

Fast Sd Cards
Fast Sd cards are only useful for SLR Pro cameras. The rest of the devices are using normal card reader slots. i.e. even if you were to use a fast SD card in the sd card slot,you will only get the normal speed.
by rest of the devices, i mean, all pocket pcs, ppc phones, phones and such devices...... :x

moali77 is correct. it won't make much of a difference in your pda. however, if you use a card reader, or happen to have a digicam that can utilize the speed, you will be better off.
example: i played atlantis redux recently 100mb+ required to be put on your sd card. instead of copying it through activesync, i put it in my usb2.0 card reader, copied it over, in far less time than it would've taken if i did it the other way.
but if you don't plan for much of that, then don't bother paying the premium for a fast card =)

Well I bought a Kingston Elite Pro Secure Digital 1GB, think It's 7.7/8.2MB Write/read
It made my TomTom go way faster planning routes and generally give me better performance from other apps.
I dont know the Top speed for the BA SD Slot, but you should look at the speeds of the card you are planning to buy

bosjo said:
Well I bought a Kingston Elite Pro Secure Digital 1GB, think It's 7.7/8.2MB Write/read
It made my TomTom go way faster planning routes and generally give me better performance from other apps.
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Click to collapse
Have others experienced similar variations with different SDs?

I recently responded to Wamatt's other posting about SD cards in the BA accessories forum. In it, I've described my experiences with the SD card listed in my sig and BA speed tests I've done with it.
See http://forum.xda-developers.com/viewtopic.php?t=26903 for additional information.

Related

4gb sd card?

Will it work on the xda IIs?
It may. A user on another forum just reported succesfully using a Tanscend 4gb card in his XV6600 even though he was told it would only support 2gb...http://www.pdaphonehome.com/forums/showthread.php?s=&threadid=61612
Have tested with 2GB SData SD card myself, works fine. Didn't have 4gb but it should work as well.
The SX66 supported SD list was created back when the highest SD card was like 512meg or 1gig, that's why the supported lists are different
hi, thanks for the replies. i see it everything should be fine using a 4gb sd card.
due to the nature of the BA, and as far as i kno all other fairly recent PDAs they will support all current and future SD cards as they don't suffer the limited memory addressing of smaller less complex devices such as normal mobile phones like nokias and digital cameras
i've read somewhere the SD card standard will theoretically go up to 16gb, lets hope they arn't too far away, and that the BA will support it.
Still hoping some random company will develop and release an SDIO USB host though. Damn the BA not having Compact Flash.
http://www.everythingusb.com/news/index/5929.htm
http://sandisk.com/Products/Item(1239)-SDSDPH-1024-SanDisk_Ultra_II_SD_Plus_USB_1GB.aspx
Much cheaper, and from SanDisk...
1 GB SD which doubles as a USB thimbdrive w/o need for adapter. MSRP $134.99

Are 2gb SD cards compatible with BlueAngel?

Hi guys,
I'm thinking of upgrading my 512mb SD card to 2gb, but I'm not certain that the phone (Qtek 9090) will be able to work with such a large card.
Does anyone here have a 2gb card working? Any brands/models that are known to work or fail?
Thanks in advance for your help.
2gb SDCard...
Hi!
I'm currently using a 2gb SanDisk SD Card, everything works great. Oddly enough, I cannot find a card reader to connect to my PC that can read them!?!? I'm still using 2003SE and transfer movies and MP3's to the phone by using the painful multi-hour process of Exploring via ActiveSync. Uggh! This is fixed in ActiveSync 4.1 but ONLY if you are running WM5... Just having 2003SE and 4.1 will still be totally laggy for file copy.
Enjoy!
2gb SDCard...
Hi there, I also have a 2Gb Sandisk card in my XDAIIs, I also have a card reader which I purchased from PC World for £10.
Works a treat!!
Re: 2gb SDCard...
terryd1980 said:
I also have a card reader which I purchased from PC World for £10.
Works a treat!!
Click to expand...
Click to collapse
Hi! Do you have a brand name or model number of the card reader you mentioned so I can search for it on the Internet? So far I've purchased 2 different readers and neither can speak "2gb" :shock: The one I can use for 1gb cards but not 2gb cards is Belkin F5U248 rev.2, so I know that one wont work!
Thanks in advance!
Does anyone know what speed the BA supports for its SD cards?
The transfer speed is limited by the SD card type
The transfer speed should be contained within the card specification sheet
As I understand it, the maximum transfer speed is 22.5MB per second
This is for a 133X SD card, so compare accordingly
thanks for the reply. I just wanted to make sure that there wasnt a limit on the SDIO bus on the BA.
I'm planning to buy a 2gb Sandisk, but i'm not too sure whether the ultra version will work, as the compatibility list on their website only shows the standard. So i might just get the standard one to be on the safe side.
I currently use 4Gb SD card! I had only hard time finding flash card reader for my PC, which can read such a big card
I believe PPC devices has no problem with big SD cards. At least my Mio 168 PPC with GPS (PPC 2003) understand 4G card too.
But I do not believe flash manufacturers X rating. I NEVER seen real speed more than 3 Mb/s on any type of device. My card have rating x133 (22.5Mb/s). And I have no idea on what device and how did they measure that speed?
From the 2g->4gb reports it sounds like sd card size is not so much an issue for the BA, more for the SD->USB adaptor.
I have the same awful USB activesync file transfer rates reported on this thread, despite running WM5, so it sounds like my current adaptor might need upgrading.
Anyway, thanks for helping out, and I now have a 2gb 133x SD on order for next week ;-)
The typical transfer rate is 2MBps
Quotes like 133X and 150X are NOT a multiple of this but the coefficient comparison between the read and write speed
As an example for a 2MB SD card
Uploading 2MB data takes 1 second
Reading data, for that same setup, takes 1 second
For the 133X the write speed is the same, but the read time is 0.4 seconds and for the 150X card it is 0.33 seconds
This also assumes the SD interface meets SDIO v1.01
If not then the 133X and 150X cards take the same time to read as the standard card
2gb Card Reader
Hi there ottGalaen,
My card reader is made by PC Line, I think it's PC World's own brand, the Model number on the back is PCL-CR400.
Here's a link to it...
http://www.pcworld.co.uk/martprd/st...null&sm=null&tm=null&sku=818835&category_oid=
If that doesn't work just go to www.pcworld.co.uk and search for PCL-CR400
I hope this helps
Kind regards
Terry
4GB SD here with a cheapie card reader/writer. No problems at all.
2gb sd
i use a 2gb sd card sandisk with no problems
Re: 2gb SDCard...
ottGalaen said:
Hi!
I'm currently using a 2gb SanDisk SD Card, everything works great. Oddly enough, I cannot find a card reader to connect to my PC that can read them!?!? I'm still using 2003SE and transfer movies and MP3's to the phone by using the painful multi-hour process of Exploring via ActiveSync. Uggh! This is fixed in ActiveSync 4.1 but ONLY if you are running WM5... Just having 2003SE and 4.1 will still be totally laggy for file copy.
Enjoy!
Click to expand...
Click to collapse
Yo, what type of SD card that you using now (Sandisk Ultra II) ?
Just so you guys know my 4GB SD card is a Transcend 150x.

What is the data transfer speed for the P3600i using MiniSD or MiniSDHC cards?

I am curious to know if there is any real benefit to using the SDHC cards which represent larger capacities and faster data transfer speeds.
As i am likely to simply use a 2Gb card, i have the choice of SD or SDHC. But if i know what the actual speed capacity that they handset can handle then that would be very useful.
Presently my 1gb MiniSD card and store TomTom6 on it along with the maps and POI's but i have found that if i load too many POI options then TT6 hangs. So i think this has something to do with the transfer rates. (i could be wrong, but thats my suspicion)
All comments appreciated.
As its unlikely that anyone would have both a regular SD and SDHC cards, could you please just list the read and write transfer rates with the card you have. (please indicate which brand and model of the card)
Thanks
GLO said:
I am curious to know if there is any real benefit to using the SDHC cards which represent larger capacities and faster data transfer speeds.
Click to expand...
Click to collapse
Hello GLO,
the benefit of SDHC is capacity and a standardized write-speed-rating for the cards. The speed is not necessarily higher, as there were a lot of fast SD-cards in all flavours before.
Coming from SD and CF for my DSLR, there has been a phenomenon: While the better SD-cards were really fast, most manufacturers have not built their newer SDHC-cards as fast as their best SD-cards, but just maintained the minimum level for the various speed-ratings defined by the SD-association.
The data for my 2GB Sandisk Standard (no Ultra or Extreme) card according to SK-Tools:
FAT16, 32KB-Cluster:
average write speed: 410,34KB/s
average read speed: 613,48KB/s
From what I have seen on my trusty Dell, the devices do not show much of a difference between standard and fast cards, thus I have just gone for a standard card in my Trinity.
TG.
Hi TG,
Thanks for that. Some very good points you raised!
What card are you using?

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.
Click to expand...
Click to collapse
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?
Click to expand...
Click to collapse
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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Click to collapse
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

HTC 10: A devourer of SD cards?

Hi!
Today my SD card died and took some pictures with it to the grave, fortunately nothing very important. It may not have been the most expensive card, but it was a fast one and I used it as internal storage. It didn't show any signs of deterioration before it died. I tried to read the card with my PC and two tablets but none of my devices is able to even see the card.
Before buying a new SD card I want to ask a few things:
Does the HTC 10 have more problems with SD cards than other phones in your opinion?
Should I use my new card as internal storage again or do you recommend to use it as external storage?
Is it worthwhile to buy an expensive card? I laid my eyes on this one: SDSQXCG-064G-GN6MA (SanDisk Extreme PRO microSDXC Memory Card Plus SD Adapter up to 100 MB/s, Class 10, U3, V30, A1 - 64 GB). It costs about 50€.
I hope that you want to share your thoughts with me.
Regards,
Benjamin
If the card was inexpensive and fast, I would think that the compromise made was on build quality/reliability. Using the card as internal storage will wear on the sdcard more than using it as external storage (more reads/writes, more heat) because it will store apps and app data on the sd card.
I don't think the HTC 10 has a problem with sd cards, I haven't heard this issue come up before.
If you have enough space for apps on the internal storage, I would recommend keeping the sd card as external storage.
However, if you still need to use a card as internal storage, you definitely want to get a more expensive card.
Sandisk extreme pro is a good choice because it's made for use with devices like GoPros that do constant writing for extended periods of time, meaning that they can handle the heat that builds up when constantly writing to the sd card.
Sometimes it could really just be pure chance, maybe you got a bad card that died early, but I definitely think it would have lasted longer as external storage.
I'd be interested to know if anyone else has had a similar problem with any phone with an sd card as internal storage.
The thing is - current sd card technology is not suitable for adoptable storage. Multiple read write proceses are killing memory cards. So, until someone makes a card that can take the beating of multiple read write proceses, just use your card as it's ment to be used - as a removable storage and you'll be just fine [emoji6]
Thank you both for your well formulated and competent response.
I've taken all these points into consideration when I chose to use my first SD card as internal storage. I really would like to know if a high quality card could last the expected lifetime of my HTC 10 when using it as internal storage. I wanted to avoid the limitations Google imposed on write access to the external card but when I saw the limitations of the internal storage solution I was unsure if it was a good decision.
It's good to hear that you do not have the experience that the HTC 10 has a problem with SD cards. With that information in mind I can buy an expensive SD card with good conscience.
voxibanez said:
I'd be interested to know if anyone else has had a similar problem with any phone with an sd card as internal storage.
Click to expand...
Click to collapse
Let's hope that more users are going to share their opinion with us.
I've just sent back my second SanDisk Extreme PRO card in 18 months. The first one stopped working after just 4 months in the HTC 10, the second one a few weeks ago. The circumstances were identical, I wrote larger amounts of data in a short time and the phone started saying that the card has to be formatted. I could use a reader connected to my laptop to get most of my data back, but the phone insisted on a format. I'm not sure if it was the SanDisk cards or the phone, either way, I ordered a Samsung card this time. Luckily amazon.de is extremely customer friendly and just gave me my money back in both cases.
I always use transcend, I've had a 128gb external SD card in since may 2016, all camera shots goto external card, all flashing and backups goto external card. Never had a problem, touch wood ?
Guys, are any of you using Spotify? I have consistently had microSD cards die after downloading songs for offline use i.e. two phones and three different microSD cards.
I use a Samsung evo card as removable storage since January, never had any problems with it. They are a bit more expensive, but it is worth it in my opinion. I use it mainly for Spotify and Netflix downloads as well as pictures (wallpapers) and ringtones... Don't use a rather inexpensive card as adoptable storage, since they are too slow. Or even expensive cards for that matter In a few years, sd cards will be fast enough, but not today. Also, I fail to see a practical use for using the card as adoptable storage as of right now since 32 gb are plenty of space for apps
bopsch said:
I use it mainly for Spotify and Netflix downloads as well as pictures (wallpapers) and ringtones...
Click to expand...
Click to collapse
I did not know that it is possible to tell the Spotify app to use external storage. Will try when I get my new card.
bopsch said:
Don't use a rather inexpensive card as adoptable storage, since they are too slow. Or even expensive cards for that matter In a few years, sd cards will be fast enough, but not today. Also, I fail to see a practical use for using the card as adoptable storage as of right now since 32 gb are plenty of space for apps
Click to expand...
Click to collapse
I'm going to buy a card produced by a reputable company this time, for sure. But I thought that cards with the A1 specification (Application performance class] would be fast enough for use as adopted storage. But you are right, 32 Gb is a lot of space for apps.
eTaurus said:
I did not know that it is possible to tell the Spotify app to use external storage. Will try when I get my new card.
Click to expand...
Click to collapse
Actually, if Spotify recognises your sd card as removable storage, it even is the default setting
bopsch said:
I use a Samsung evo card as removable storage since January, never had any problems with it. They are a bit more expensive, but it is worth it in my opinion. I use it mainly for Spotify and Netflix downloads as well as pictures (wallpapers) and ringtones... Don't use a rather inexpensive card as adoptable storage, since they are too slow. Or even expensive cards for that matter In a few years, sd cards will be fast enough, but not today. Also, I fail to see a practical use for using the card as adoptable storage as of right now since 32 gb are plenty of space for apps
Click to expand...
Click to collapse
I've used Samsung evo and Sandisk Ultra Extreme and the both failed a short time after downloading Spotify songs!
I've had a Transcend 64GB card fail after a few months. It was inserted as external storage and I was able to recover its contents on a PC. I was able to put it back in the phone without formatting it, just tried a few times until eventually it worked.
It happened when it was very hot outside, not sure if this is related or not. I wonder how many failed cards are failing during hot weather, during heavy phone use, or in hot climate areas.
I've switched to a Samsung 128GB evo plus now, u3 speed, so far so good. Fingers crossed. Judging by this thread though, it does seem that this phone kind of eats through SD cards.
adibadi said:
Judging by this thread though, it does seem that this phone kind of eats through SD cards.
Click to expand...
Click to collapse
This is precisely what I wanted to know in this thread. Before buying my first card for the HTC 10 I read a number of threads that suggested this phone specifically has problems with cards bigger than 64 GB. But the reaction to my thread doesn't seem to be so hysterical to me.
I been using a Toshiba Exceria M302 128GB as external storage since the phone first launched and it hasn't failed on me yet, touchwood. Although I only been using up to around 50GB usage, I have re-download my Spotify collection a couple times.
The SD card in my HTC 10 is going on 15 months old, and it's still ticking. I have never used it as adaptive storage. It just stores photos taken on the camera (which are backed up to Google Photos). Some games offer to save data onto the SD card, so I do that as well. It's a Samsung 64GB PRO (class 10).
Not sure if the UHS-1/3 cards will fare better.

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