mobo shell shocker

[cmg5461]

depending on price, this may be a good one.

2x pcie 16x

2x pcie 1x

2x pci

could possible run 4 cards..

http://www.newegg.com/Special/ShellShocker.aspx?cm_sp=ShellShocker-_-13-138-348-_-06062012_5

[Dargo]

+1  I have the earlier model (A870U3) and it's a great board for mining. I'm actually running 5 GPUs on it (with a PCI to PCIE adapter for the 5th).