Chelsio S310E-CR. Connectivity technology: Wired, Host interface: PCI-E, Interface: Ethernet. Data transfer rate (max): 10000 Mbit/s. Networking standards: IEEE 802.1p, IEEE 802.1Q, IEEE 802.3, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3x, Maximum operating distance: 10000 m, Fiber ethernet cabling technology: 10GBASE-LR, 10GBASE-SR. Power consumption (typical): 16.7 W. Width: 64 mm, Depth: 168 mm