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Limit for sustained write to USB drive?

post #1 of 4
Thread Starter 
I recently purchased an ADATA USB 3.0 flash drive link. I was writing about 20 GB sustained every day for about a week. Then it died. The drive is recognized by Windows (since it knows to install the USB driver). But it is inaccessible (can't see it in Windows Explorer; no USB icon in the notifications bar). I googled and found that some people with the same drive also had failures and they attributed it to overheating. When I was writing to the drive, it did feel warm but not burning.

Typically, is there a 'safe' limit to the sustained write for a USB drive that should be observed?

EDIT: I mean sustained as in how much is written at one time, not the transfer speed.
Edited by thehybridkiwi - 11/5/12 at 9:30pm
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post #2 of 4
Even if there were a limit, how would you cap the speeds on a USB drive? redface.gif

You did nothing wrong. The drive is faulty. And the maximum up and down speed of USB 2.0 is around 30 megaBYTES per second.
Edited by corky dorkelson - 11/5/12 at 9:30pm
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post #3 of 4
Thread Starter 
Sorry, I realize my post was a little misleading... I mean 'sustained' as it how much is written at a given time.
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post #4 of 4
Flashdrives generally use cheap NAND which can sometimes only take hundreds of erases. (Not thousands)

That's why you can pick up those flashdrives so cheap... $8/16GB USB3, $2.99/16GB USB2, etc.

Not surprised it died. The AData ones don't have wear levelling. If you're putting your flashdrive under that kind of load, you want a Patriot one. I've got an old one powering a nettop. thumb.gif
     
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