Sapphire Pure Black 990FX Review

Testing:

Moving data to and from an external device is something we all do as a means of backing up sensitive data, whether it be family pictures, movies, music, or projects. The speed with which this transfer occurs is measurable and can improve with different tools. I will be using ATTO version 2.47 to measure an external drive's read/write performance through the USB 3.0 interface. The default test algorithm is used for this test.

ATTO:

These results surprised me a bit. I would have guessed that one of them would have been better at one end of the range. Instead they are near dead even at all the tested block sizes.