02-08-2013, 06:11 PM
for hashcracking PCIe x1 is sufficient for the GPUs. You don't need 8x PCIe x16.
Biggest problem will be cooling. Experience of most people is: not more than 4 cards per case (unless you have an open rig with much space between the cards)
Biggest problem will be cooling. Experience of most people is: not more than 4 cards per case (unless you have an open rig with much space between the cards)