Same here on the Galaxy S3. It auto formats to FAT32 as soon as you put it in your phone. I also have an Asus TF700T with the same. It's a complete non issue. There is very little difference between the two formats. You do want to use the adaptor that comes with this for file transfers and not an SDHC adaptor. It will work, though, I have seen formatting issues when trying to use an SDHC reader with this card that can only be fixed with a wipe and reformat of the sd card itself.
Wait, what? I have TF700T as well, and I format NTFS because I put mkvs on there to watch that are bigger than 4GB so fat32 won't work, my tabs all work just fine with formats other than FAT32 like NTFS (haven't tried exFat on it, and don't care to because I think it is an inferior file system, ESPECIALY for 64GB SD cards.
I say that because, exFat compared to NTFS, sucks for very large volumes where there will be a mix of filesizes because it only supports a few different cluster sizes. To support one volume on this 64GB card, you have to go to a HUGE 128K cluster size which very inefficiently uses the disk space.
DO an experiment with something that has a ton of small files (say an installation CD for windows, or a JRE/JDK with internationalization files if you don't have a Windows disk) then do properties on each filesystem. When you get the two numbers, SIZE (how much data is stored in there), and SIZE on DISK (how many clusters are used), check out how much space is wasted on exFat for very little benefit. NTFS on the other hand has power of 2 steps in cluster size (4K=16TB volume limit, 8K=32TB, etc.). exFat only has like 3 cluster sizes, 4(256MB limit), 32KB(32GB limit), and 128KB(really big limit ).
That said, exFat is great if you KNOW large files will be the only contents on the device (like music, most pics, and movies, which is probably what most people use SD cards for anyway, but exFat is being promoted for thumb drives too, and I don't think that just large files is the typical use case for thumb drives), terrible if you use them to save say program installation directories, which can have 10s of thousands of <1KB files. BUT, if you are only storing files that are larger than 128KB< you do have a gain in speed given I think exFat has much less overhead and is faster and less susceptible to corruption, but that I don't know from personal experience. Makes sense though, that is why they designed it specifically for SD cards/portable storage devices.
Another advantage is that everything out in the last couple of years can read NTFS nowadays as well (BR players, TVs, etc.), not the case with exFat.
I haven't had any problems with NTFS on my TF700T (and it plays 30mb/s mkvs BEAUTIFULLY unlike my TF101, Tegra 3 rocks ). Normally I would transcode in the interest of space since I cannot tell the diff with a 700MB-2GB(LOTR extended ) transcode (after I tweaked and FINALLY got a sweet profile setup in Handbrake) with sound downmixed and downsampled and the content resized to match the TF700T screensize... but sometimes I have a last minute trip and don't have time to transcode the new BRs I just bought, so just throw a few of my original yet to be transcoded 8-20GB sized mkvs on some SD cards. Only issue is with audio, specifically decoding HD format digital streams, I have to research if there is a player other than MX and the native players (both which cannot decode those) that can decode/downmix HD audio streams, in the meantime I just have to make sure that for the files I grab that I ripped the downsampled track too.
i don't have the pleasure of owning an SIII yet (still on SII), but will soon, wil try the same experiments with that too...
OK if I put this in my acer iconia a200 will I see 64gb?
The acer says it works with 32gb but so does my phone and the phone will take and use a 64gb.
I have the a100, and accoriding to something I read on the net a while back...
It works!! I bought a newer 64GB Micro SDcard. I then downloaded the free home version of Partition Wizard to my windows-7 PC. I stuck my new micro into a SD adapter and placed it into my PC. I then used Partition Magic to format it into FAT32. Once finished I placed it into my Acer tablet and it works perfectly showing all of the free space. I loaded game roms and music videos and they all work perfect!!
A 64gb drive, along with tethered internet from my phone, is more than enough storage for my music. I can watch videos through youtube. Seems like a good deal.
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