Disk Perf Utility. Run IO Benchmarks. Speed Test for Devices.
Runnung diskoz provides the following result
master@ZG14:~$ python diskoz.py
Done.
Created 6144 files of 1MB each in 102.98610496520996 seconds.
Creation rate: 59.658533566984815 mb per second
Transferred 6144 files of 1MB each in 147.2998549938202 seconds.
Cleaning up...
Transfer rate: 41.71083535864828 MB per second