*Ahem*
4U chassis with lots of PCI-E slots.
8 PCIE x16 Lanes @16x, 2 PCIE x16 lanes @ 4x, 2 PCIE 1x
2 1200W PSU's

http://www.newegg.com/Product/Product.aspx?Item=N82E16816152126&cm_re=GPU_server-_-16-152-126-_-Product

Yours now for only $3,499.99! Or at the current BTC growth rate... 5BTC by next week!