Measuring storage performance (SSD, HDD, USB Flash etc.) and RAM speed across Windows, macOS, Linux and Android devices. Random and sequential throughput (read/write operations) is calculted in MB/s and can be compared in consistent and reliable manner between mobile and desktop...
Xbench was developed by Spiny Software to provide a comprehensive benchmarking solution for Mac OS X. Xbench is useful not only for comparing the relative speeds of two different Macintoshes, but also for optimizing performance on a single machine.
Xbench vs USBDeview opinions
No support for flash drive info