Seller has two of these available. Looks like a decent deal since newegg and amazon seem to sell them for closer to 460-500$
Intel Ethernet Converged Network Adapter XL710 QDA1 PCI Express 3 0 x8 1 | eBay
Intel Ethernet Converged Network Adapter XL710 QDA1 PCI Express 3 0 x8 1 | eBay