ADATA Premier 64GB microSDHC/SDXC UHS-I U1 Class 10 Memory Card with Adapter (AUSDX64GUICL10-RA1)
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- Increased speed, no increase in cost
- Wide Range of Capacities
- Lifetime Warranty
- R/W Speed:30/10
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With the more frequent use of smartphones and tablet PCs for multimedia recording and playback, there are increasing demands on the read and write speeds of dedicated memory cards. This Premier series memory card implements the latest SDA 3.0 specification UHS-I (Ultra High Speed 1, in compliance with SD 2.0 Class 10 speed), and comes with an entry-level price for consumers who want a dedicated card for their smartphone or tablet PC.
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Most helpful customer reviews on Amazon.com
The card now lives in my smart phone and so far I haven't had any issues.
UPDATE 1/28/18 - Removed additional stars. The SD card is not reliable. I had it in my phone for camera storage and when the time came to retrieve the photos and videos, I put it into an adapter to copy to the computer. Windows would puke when accessing certain files, and disconnect the drive. I had to reconnect over and over to check which files I could move off the card, constantly finding files that would crash and disconnect the drive.
Turns out certain sectors of the memory have gone bad. A few of my pictures were corrupted as a result, and are not recoverable. A full overwrite-and-erase format of the card didn't resolve the problem. Failed a write-read memory test.
I wouldn't use this memory card for anything critical or valuable.
It DOES have a 'lifetime warranty', which requires entry of the BARELY readable serial number printed on the card on their website. I've submitted a request today, let's see if they honor the warranty...
UPDATE - 2/20/18 - The warranty process is tedious and a bit difficult. Reading the serial number off of the front of one of these micro SD cards is almost impossible with the naked eye (tip, for others struggling with this: I used my phone's camera, at extreme zoom, with the flash on, at an extremely low angle to allow the light to bounce off the tiny engraved numbers). A few weeks later, a brand new, retail packaged SD card has arrived in the mail. Adding back a star. Would have added two, if the RMA process was easier.
I decided to try the sandisk. It lasted about 2 weeks. Including a near accident on a busy local street where I looked up at the camera to see "Card Write Error" Then began saying card corrupted and card too slow.
Followed the manufacturers advice and ordered this card. No problems since works wonderfully
so all said i have used dozens of sd cards from different makers over the years. i have never had a fault or problem until this one arrived. i always check to see how the card is formatted prior to use. so i placed it into one of our devices to check properties except no properties just an error message saying in essence the card was bad. i tried again and then on another as this was new for me. same error message. i then tried to place it in the phone anyway but an android message saying the same thing, bad card.
thankfully i did not use it at all. i can only imagine the headaches caused had it gone bad later rather than sooner so to speak. amazon was great to refund as usual. all i can say at this point is that my data is too important and for the first time i will steer clear of all sd cards or memory from this manufacturer not wiling to risk future data losses etc.