Chelsio S304E-BT. Connectivity technology: Wired, Host interface: PCI-E, Interface: Ethernet. Data transfer rate (max): 1000 Mbit/s. Networking standards: IEEE 802.1p, IEEE 802.1Q, IEEE 802.3, IEEE 802.3ad, IEEE 802.3x, Maximum operating distance: 100 m, Copper ethernet cabling technology: 1000BASE-T. Power consumption (typical): 20 W. Width: 107 mm, Depth: 168 mm