USB Test - AIDA64
Version and / or Patch Used: 1.70.1400
Looking above, you can see that USB 2.0 and 3.0 performance is very similar for the most part. Saying that, though, you do see that the End performance under USB 2.0 is a bit stronger on the new ASRock Z97 Extreme4.
SSD Test - AIDA64
Version and / or Patch Used: v4.30.2900
SSD Test - PCMark 8
Version and / or Patch Used: 2.0.191
SSD Test - HD Tune Pro
Version and / or Patch Used: 5.50
Under AIDA64, you can see performance between all our setups is very similar; the same can be seen under PCMark 8 with little difference being seen.
Under HD Tune Pro, while the Average and maximum between all our setups are quite similar, you can see the minimum sits a little higher on our ASRock Z97 Extreme4.