I have some 7950 and some R280, can I connect them both on one rig? Will it work normally? Or does system require all GPUs to be same?
Nope, you're good to go. You don't even have to connect them all through PCI-e. With cgminer, you can set the settings uniquely for each card. You can use any kind of adapter that would normally bottleneck GPU performance.
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I've been reading about an 8 GPU limit (4 for dual cards). Any truth to this? – user12832 Jan 28 '14 at 23:53
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"You can use any kind of adapter that would normally bottleneck GPU performance" .. so using a PCIe x1 to PCIe x16 OR PCI to PCIe adapter would be ok? – farinspace Mar 29 '16 at 5:08
