I ordered an Samsung EVO+ 128gb microsd from eBay for £35.99 (currently checking it`s not fake using h2testw), the Tab S seems to use Fat32 or ExFat (depends on card speed) on the microsd which has a maximum file size for 4GB, But ExFat has an maximum of 512 Tib
Edit: My 32GB Samsung was formatted to FAT32 by the T800, But a Samsung 128GB was formatted to ExFat.
But i would have to format my microsd in my notebook to ExFat before inserting it into my Tab S, or is there an android app that can do this?
So any recommendations?
EDIT: I found an free app called SD Insight that can check for fake memory cards, it says my 128GB is a Genuine Samsung and it was manufactured in October 2015 so it`s not very old.
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https://play.google.com/store/apps/details?id=com.humanlogic.sdi&hl=en
Thanks
John.
My T800 formatted my Samsung EVO+ 128gb microsd to ExFat , but it formatted an Samsung 32GB microsd to Fat32
I formatted the 128gb using h2testw to check for a fake on my notebook using an USB 3.0 Card Reader, it looks like the card is a real Samsung.
John.
The SD org has standard file systems that are spec'd. A 32gb which would be SDHC formats as FAT32, and in some compliant systems won't even allow a SDHC to be formatted as exFAT. Likewise a SDXC which is above 32gb (starting at 48gb and above) by standard must be formatted as exFAT. Some people force the SDXC as FAT32, but the card hardware is not optimized for that file system and can eventually lead to performance problems. SD cards are solid state and has complicated performance requirements when considering how solid state works.
Related
so i was looking in the forums all day about microsdhc cards and the right speed to use with compcache. Went to frys planning to settle with a class4 because I dont feel like ordering online and I found this to my surprise. The box clearly has the class4 in a circle on the front. I had to dig for this sucker because I found a open package "returned" with a class6 card in it. Most of memory sticks were actually class4 inside the correct packaging and a few were class6 like mine. Picked it up for 25 bucks at frys.
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by the way I was wondering if all I have to do is run RAv1.2.0 and do the fat32+ext2+swap to get compcache scrip to run correct?
the pda's can't keep up with the faster sd cards though
Rudegar said:
the pda's can't keep up with the faster sd cards though
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Click to collapse
That's true because my 16GB class 2 card has almost the exact same performance and my 16GB class 6 card. The difference is more noticeable on the pc though.
.HaVoC. said:
That's true because my 16GB class 2 card has almost the exact same performance and my 16GB class 6 card. The difference is more noticeable on the pc though.
Click to expand...
Click to collapse
really? I been reading all over the compcache threads that G1 and the mytouch can read up to class 6 speeds. Everyone recommends class6?
I'm using a Tilt so maybe that's why but a higher class IS better.
I just found out that my EVO reads my sd card at a slower speed than writing it. Below is a snapshot I took when using SD card test reader on the phone. I have similar results (reading slower than writing speeds) on 3 of the micro sd cards I tested. This is very evident when I tried to copy a few backup roms I made to my computer. 2 gb of data took roughly 35 minutes to complete.
When I took the sd card out of the phone and hook it up to my laptop I can transfer the same 2gb of roms in just 2 minutes (17 MB speed).
What could be going on with the phone?
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Weird. My phone/SD card have the opposite 'problem:' Read @ 3MB/s, write @ 2 MB/s. Class 2 SD Card.
Yeah I called both HTC and Sprint and they couldn't figure out what is the problem. I should get a replacement but I'm afraid a new phone will be android 2.2 already and I can't root anymore.
The EVO definitely acts a bit strangely as a disk drive, look at the following results I got with the same Polaroid 16gb Class 2 card I got from Fry's. The left image is through an micro to regular SD card adapter through my laptop, the right image is with the micro sd mounted through my EVO as a disk drive.
The SD speet test app on my phone netted 5mb read/5mb write
Nevermind, cheap card?
Sent from my phone.
Hello,
is there a way, that dailyme is running on the TP2?
The problem is, that there is no SD-Card avalible.
THX
_cv
Not sure what app that is, but in my experience if an app cannot see the SD card you should just format it with the HP Tool. Full format, FAT32.
THX,
i tested it with a 8 GB microSD an it works fine.
I think the 8 GB Card is formated in the same way like my 32 GB Card.
Did anyone know, if the problem is the 32 GB Card? Can the Android Port work with the size?
My PC run on USB 1.1 and so a test with copy the data take around 1 1/2 days.
THX
_cv
Is your 32GB card class 6 or 10? Because those cards are known to not work well with Android. Basically the higher the class the card, the more problems it causes. Class 4 seems about perfect, which is what my 8gb card is - never had a problem.
I have a Transcend 32GB card, there is no Information on the card which class it is. How can i find the class?
Is the 32GB card problem on all Android devices or only on the TP2 Port?
Is there a chance top run the card?
THX
_cv
_cv said:
I have a Transcend 32GB card, there is no Information on the card which class it is. How can i find the class?
Is the 32GB card problem on all Android devices or only on the TP2 Port?
Is there a chance top run the card?
THX
_cv
Click to expand...
Click to collapse
there's no number with a circle on it? it should look like this (in this case, its a class 2):
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p.s. i have a sandisk 32gb microsdhc C2, and it runs @ 5.5mb/s write
p.p.s. lexar just came out with a C10 32gb microsdhc, $150 - any takers?
Just bought a new microSDHC card & I decided to format it in Windows. Then I decided to see if Transcend had a formatting tool so I tried it and got better results, next I found the SD Association had their own tool SD Formatter...
Benchmarked with ATTO Disk Benchmark
Windows 7 formatted then Transcend Autoformat Tool
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SD Formatter
awe hell. after that apparent fluke i can't reproduce the results. Well this is dumb. removed some crap from the original post.
Unlucky, So the conclusion being... It doesn't matter what you use to format your SD?
MacaronyMax said:
Unlucky, So the conclusion being... It doesn't matter what you use to format your SD?
Click to expand...
Click to collapse
It's best to use the SD associations formatter if you need it formatted fat32 at 32kb cluster size, which is how SD cards are built to be formatted. Other apps probably can do just as good job, but you know the SD assoc app will do it perfectly. Using other apps or windows may format it similar, and speed will be the same, but since those formatters are made specifically for sd cards, tiny differences can cause problems with compatibilty.
To format anything, it's best to not use generic formatter and use app written specifically for media.
eh, not worth.
please disregard this thread in its entirety. this was a dumb thread I started because I thought I was on to something smart. It doesn't matter at all how you format your card. If anything, these graphs can show you how my Transcend SD card performs
Thus spake zarasthustra lol
Hello,
I did put SanDisk micro SD Extreme Plus 64 GB on my SM-T520.
I tested it with A1 SD Bench and the results was too low of specs. The specs are: up to 80MB/s read; up to 50MB/s write.
Do you have similar results too, please?
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cviniciusm said:
Hello,
I did put SanDisk micro SD Extreme Plus 64 GB on my SM-T520.
I tested it with A1 SD Bench and the results was too low of specs. The specs are: up to 80MB/s read; up to 50MB/s write.
Do you have similar results too, please?
Click to expand...
Click to collapse
How far below? Nobody gets reads/writes that exceed those specs. I think something in the 40MB/s range is normal-ish but others can give their specific experience.
Note10.1Dude said:
How far below? Nobody gets reads/writes that exceed those specs. I think something in the 40MB/s range is normal-ish but others can give their specific experience.
Click to expand...
Click to collapse
Is there an accurate way to certify your micro SD card or SD host device ?
Without such certification you are wasting money: false card and/or poor device.
The manufacturers should provide more detailed specifications about the device instead of marketing stuffs.
Hello,
I got another micro SDXC SanDisk Extreme Plus 64 GB.
Unfortunately, the same result.
So, I conclude the device SD host is poor/weak/cheap.