Very small and very fast. That is about all I can say as I have not used it much yet

I don't normally publish IOPS figures because merely stating those figures is meaningless without being able to control the size of the packets and latencies involved during the measuring.

Still putting it through the wringer, but this Ultra Flair is standing up pretty well to the gamut of small file transfers and running a Windows Vista VM; According to Crystal Benchmark, this flash drive - when plugged into a USB 3.0 port with no other USB devices being used - is capable of...

Less than 2 minutes into reformatting the drive for the first time before a benchmark, this Ultra Flair thermal throttled and disconnected; The metal cover is almost too hot to touch (think metal teaspoon in a freshly brewed cup of coffee) and it needs a minute taped to a used can of compressed air...

These SanDisk Ultra Flair USB3.0 Flash Drives are fantastic value for money holding 256Gb of data makes them a valuable addition to your laptop bag and they're speedy in transfer too. A great buy!