According to a test with h2testw:
Warning: Only 15287 of 15288 MByte tested.
Test finished without errors.
You can now delete the test files * .h2w or verify them again.
Writing speed: 10.8 MByte / s (time 23:34)
Reading speed: 20.2 MByte / s (time 12:37)
H2testw v1.4
The read speed is actually been very important because it would take at 16GB otherwise than downloading the images / videos forever me. But with 20.2 MBps one can only say, this is really good!