SanDisk Ultra Flair USB (5 Pack) 3.0 64GB Flash Drive High Performance Thumb Drive/Jump Drive up to 150MB/s - with (2) Everything But Stromboli (tm) Lanyard

no caps but other than that great

Two of the 5 USB drives had problems; one could not be formatted and was therefore useless.

I normally love SanDisk products, but... If youre not in a big hurry or are just writing something once only, these are probably fine for you. If you are writing and rewriting large amounts of small files these are too slow to be efficient. I bought 2 five packs of these I opened the first, found they were no where near USB3.0 spec speeds (or even 2.0 for that matter) and sent the other back. Consider your need. If you are putting some pictures or songs on these and can leave it copying while you do other things and then just use the drive with what you stored on it, These might work for you. If you are using these in business, look for something else. 5 drives came with only 2 lanyards, ???

All arrived promptly and all worked fine. How do you beat that?

I was looking for inexpensive, high-ish capacity USB flash drives just to have around and to use for Linux distro install boot disks. These are perfect. No problems with shipment or seller.

This is the 3rd time I have purchased these drives. They work well and are reasonably priced.

They all worked well. The computer recognizes them as USB 3.0 and they operate at the corresponding transfer speed.

Crystal Disk Mark used to check performance. Read Performance acceptable ( not best in class usb 3.1) @ 130 mb/s Write performance dismal at sub 10 mb/s. I had expected double or triple this speed (20-30mb/s)

Best flash disks on the market for the price.

Great stuff