Originally Posted by Americonfusion
Yes you can run one copy but this way if a card crashes the others keep hashing uninterrupted or if I want to tune and tweak on one card I can keep running the other 4 while I do it. It's not any harder to run 5 instances over one, just a little copy and pasting of bats and its easier to see the specific output of each card at quick glance.
Could you please share your GPU-Z tabs for one of these cards while it's running? I cannot get a card to go past 230kH/s when it's connectied via a x1 to x16 powered USB riser in Windows 8.1 x64