1x 734540-B21 - HP DL580 Gen8 Ball Bearing Rack Rail Kit. 1x 631681-B21 - HP 2GB P-series Smart Array Flash Backed Write Cache. Rack Rail Kits. Server Peripherals. HP Procurve. There is 1x HP 4-port 1GbE 331FLR Network Adaptor giving you a total of 4x 1GbE Ethernet Ports.
eBay