SuperMicro AOC-SGP-i4 REV:1.01 Quad-Port RJ-45 10/100/1000Base-T PCI-Express 2.1 x4 1GbE Gigabit Ethernet Network Adapter Card.
Data Transfer Rate: 1Gb/s
Network/Communications: Dual Intel i350 Dual-Port Gigabit Ethernet Controller - 10/100/1000Base-T
Input/Output Ports: 4x RJ-45
Interface: PCI-Express 2.1 x4
Form Factor: Low Profile
Bracket/Profile Type: Full Height Bracket
Type: Network Adapter Card
Supported Operating System: Windows XP SP3, Vista SP2, 7 SP1 2003 SP2, 2008 SP2, 2008 R2S; RedHat EL 5.5, 6.0; SuSe SLES 10 SP3, 11 SP1; FreeBSD 8.0; VMware ESX 4.0, 4.1, 5.0; Xen.