CrystalDiskMark gives us a quick look at a drive's read and writes performance, both sequentially and at 4K. The queue depth is set to 32.
USB 3.0 transfers are tested using an ORICO 6518 Series USB 3.0 docking station paired with a Crucial MX200 500 GB SSD. For these tests, Crystal Disk Mark and HD Tune Pro are utilized to test and verify performance.
CrystalDiskMark
External USB 3.0