Realtek RTL8111H -T4 PCIe-X1 1G RJ45 Quad Port lan Card Ethernet Server Adapter
Quads-Port Gigabit - The network card has 4 port gigabit ethernet RJ45 interfaces, with Realtek RT8111H chip, compatibe 100M/10M auto-negotiation, support standard Cat5e or above UTP at distances up to 100m (328 feet).