10 Pack 8GB USB 2.0 Flash Drive Memory Stick, Vuefamy Swivel Thumb Drives Bulk for Data Storage with Lanyards and Removable Labels (8GB 10 Pack, Black)

For the money, these are actually pretty nice little flash drives. They arent going to win any awards, but they seem to work and work well. The actual capacity in hard drive math is 62.9Gb (58.5Gb in regular math), which is slightly lower than 64Gb, but as they admit this up front and explicitly list it in the item description, I have no issue with it. Honesty is a good thing! The drives come formatted using the exFAT file system, which does typically offer the best cross platform compatibility, but has never been known for performance. So, for most of my performance testing I reformatted the drives using NTFS and those are the results I show. I also did a bit of testing with the drive formatted in exFAT and the results were about what I would expect, although the benchmark results were.... interesting. First off, I was able to copy a full 60Gb file to the drive and back successfully, which is always a good thing to check on off brand flash drives, as in years past they sometimes were smaller drives in disguise. I saw no such issues here and the full capacity of the drive worked properly. Under Windows on a USB 3 port the transfer speed would bounce from 60MB/s down to almost zero about once per minute, with the average speed of the transfer working out to around 38MB/s. It took around 26 minutes to copy the entire file to the drive. Honestly, for this class drive, this is not bad at all and, as they only advertise write speeds of above 15MB/s, way better than expected. Once again, here is a cheer for honesty in advertising! The bounciness in the transfer speed is very typical as the buffers on the drive fill up and the data then has to be written to the actual flash module and tends to average out to what the underlying write speed of the flash actually is. When I read the file back off the drive, I actually was getting sustained read speeds of around 122MB/s, so no complaints at all there as that is also roughly 2x what they advertise. Be aware however that these were large sequential read/write operations on a single file. Small block I/O on lots of smaller files is likely to be much, much worse, as while the underlying flash is pretty decent, the actual number of IOPS for this type drive is usually not fantastic. While I didnt benchmark small block I/O by hand, you can get an idea of the rough performance delta by looking at the CrystalDiskMark results. Just for completeness, I did do a bit of testing using exFAT and while the read results were essentially identical, the average write speed copying the file to the disk was around 29MB/s and it took almost 35 minutes to complete. What is interesting is that the CrystalDiskMark results for exFAT showed write speeds of 95-102 MB/s, which is well above the drives actual performance. I can only surmise that the combination of the 1GB test data size and the 128K block size used for exFAT conspired to keep the test data largely in the drives cache during the actual benchmark run and allowed the write cycle to complete while the drive had moved onto the read portion of the benchmark. It is very rare that I see a product that actually delivers more than they advertise, and these do. In conclusion, these drives are priced very well and the performance is actually quite a bit better than what they advertise, so I have absolutely no problem recommending them!

After receiving the device, I underwent full population and tests using CheckFlash. In a matter of a few minutes (thanks to USB 3.0 superspeeds!) the tests completed with flying colors. The advertised capacity is accurate, and operates right below the top burst speeds for reads. Writes were a little slower than expected, but reliable. Its a handy little flash drive thats well worth the price.

this thing has tons of storage and functions properly

I see around 130MB/s download speed from this drive, so thats more that adequate for watching videos from it. Its also a great little drive for making backup copies of important documents. Great value!

Picked one at random to test. Used Etcher to burn a linux iso to it. Write speed was good and stable. Excellent for the price. The linux booted fine from it.

We use flash drives all the time to carry our music around, and to transfer data from one computer to another. This one has a nice capacity and works well. It even comes with a lanyard, so you dont lose it as easily, which is good. No complaints. Highly recommended.

These show up in Windows as 29.2GB drives, slightly less than the 32GB advertised. However, I have found that my other 32GB drives also tend to show up as 29.2GB, so this does not seem to be out of order and appears to be formatting overhead. With Prime shipping and a currently available coupon, these drives are well under $4 each to my door, making them a good value purchase. I cannot speak to the long-term viability of the drives, but I tend to use USB drives like this for transfer to 3D printers and for giving larger files to customers or vendors such as product sheets and videos, so in my use case they really never are taxed heavily but only used for short term non-critical storage. Never trust a USB drive like this with the only copy of critical work or priceless family photos anyway. Inside of the package were lanyards and small stickers as well.

Works very well. No complaints so far. Large enough for me to put all the documents I want to in and transfer between my computers.

Not much to say about a thumb drive. It works, no extra bloatware. Hasn’t fallen apart or failed.

I like the included labels to put on the flash drives for identification. Also, 5-straps are included to attach to the drive. I like that the drives have a little light in the back that flashes during activity. I tested the flash drives by transferring some files from my computer to the flash drives. These flash drives are very responsive and fast. Excellent!