I switched my USB cable with the one provided by SMSL into my USB 3.0 port and got this: ...
So lots of variability without external power supply
Hi if i understand well this means that not all usb cables perform the same ? this is very interesting. But also reasonable. I see that a really big market has been established for cables. There must be something of true ... some cables are built with higher specs than other. Anyway the external PS looks like mandatory in order to get higher level performance. Thanks a lot for the very valuable test.