3com Gigabit FiberSX Svr NIC GENet PCI SC 5pk. Host interface: PCI. Data transfer rate: 1 Gbit/s. LED indicators: Link activity. Data link protocols: Gigabit Ethernet, Management protocols: SNMP, DMI 2.0. Cable type: Ethernet 1000Base-SX, Dimensions (WxDxH): 64 x 165 mm, Form factor: Plug-in