This device seems to work well and is moderately fast ... however it does get surprisingly hot after even moderate use with modest downloads. I have not noticed this increase in temperature with other brands and wonder if the heat generated in this small device will eventually shorten the life of the electronics? Otherwise it is good comparable value and so far still working.
Verified purchase: Yes | Condition: New
Advertised as 150MB/sec but only writes at 20MB/sec (reads at about 125MB/sec for the record.) If you write continuously for more than 10 minutes it gets so hot you can't touch it, and then the firmware resets! When this happens the logs show it as having been unplugged then 100 milliseconds later being plugged in again. This means you can't copy any large files onto the device because doing so takes so long that it overheats, resets, then the copy operation fails because you "unplugged the device" before the copy operation finished. Really poor effort on the part of SanDisk, advertising it as 150MB/sec when it can barely write at 20MB/sec, and being a waste at 128GB when it's not actually possible to copy files onto it larger than 1-2GB each. Not to mention the need to carry an oven mitt with you so you don't burn your fingers when unplugging it if you have copied too many files onto it! If you're not worried about write speeds and you'll only be writing small files here and there then the size is no doubt convenient, but for any serious use, look elsewhere.Read full review
Verified purchase: Yes | Condition: New
THE GOOD - I bought my first one about 8months ago, still running fine with nearly daily use. Speed of transfer for USB 3.0 seems decent and have had no problems transferring large files, a few days ago I transferred about 90gigs of movies for a friend without a problem. As for time it took, I set it up and then do something else so I can't provide that info. It is very compact and good for laptops. The cover is tight and hasn't fallen off. It comes with free software. THE BAD - It gets quite hot (not a downside, just notable), it is very small and easy to misplace. There is no place to attach a lanyard or keyring. VERDICT - Worth it. I have 3 now, great for the price.
Verified purchase: No
The physical USB interface has become the limiting factor with regard to size, as memory modules are miniaturized. This device is small enough to leave “permanently” installed in your laptop/pc and at 64GB plus USB 3.0 speed (if you’ve got the port) it is a feasible alternate to internal memory expansion (certainly cheaper per GB than SSD’s at this time).
Verified purchase: Yes | Condition: New
My name Is Henry I recently bought the USB but I normally I have previews one's I have I purchased with SunDisk, The badgood thing is too small I lost them easily but I love them .
Verified purchase: Yes | Condition: New
This could be used as a protector for you usb port to stop things getting stuck in it , the bonus being it can store data . Being san disk it lives up to the company"s reputation of reliable good quality products .
Verified purchase: Yes | Condition: New
This is a great compact thumb drive. It is very fast and I love the fact it is so very easy to use and to take anywhere. Great to throw into a school bag or hand bag.
Verified purchase: Yes | Condition: New
Excellent design, very compact, although I found it a little difficult to attach it to anything as it doesn't come with any form of ring or clip. It was a bit difficult to find a way, although I did solve it with cotton thread in the end. It is very small and would be easy to lose if you didn't attach it to your keyring or whatever.
Verified purchase: Yes | Condition: New
This usb is fast(not quite as fast as usb3.0 hdd) but does have an overheating problem. It starts to heat up as soon as it enters the computer and when it gets too hot it slows down. It seems to slow down after 5-10gb is written to it all in one go. best to remove and let it cool down/blow on it when this happens then reinsert. Reading from it seems to be less of an issue. Aside from the occasional slow down it is a great usb. It is recognized by my android phone and the size is great for storing anything as its very compact and reliable.
Verified purchase: Yes | Condition: New
I now have 4 of these little things, all 64gb, 3 live in separate laptops and one lives in the car filled with music. I would strongly recommend these little USBs to anyone who needs to store data
Verified purchase: Yes | Condition: New
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