For Intel I350 4 RJ45 Port PCI-E Gigabit Server Adapter Ethernet Card Part

Ethernet Interface Type: 4 Rj45 Port. Low Profile & Full Height Brackets. 5 Gt/S X4 Lane. Applicable Network Type: Gigabit Ethernet. 1 4 Port Gigabit Ethernet Card. Disconnect The Power Cable;. Remove The Host Cover And Locate The Unused PCI-E (X4, X8, X16) Bus Expansion Slot.

eBay