Mwave offers the DynaPowerUSA Netstor 4U Rackmount 64Gb/s PCI Express 3.0 Expansion Enclosure
, model no. NA260A-GPU-R, for $2,999
with free shipping
. That's $601 off list and the lowest total price we could find. It features an 1,350-watt redundant power supply, support for up to four 64Gb/s external PCIe cards, and three 90x90x25mm cooling fans
Note: This may take up to two weeks for arrival.