Cisco SFS 3504 Switch Controller Card with 12 4x DDR InfiniBand Internal network switch component

SFS 3504 Switch Controller Card with 12 4x DDR InfiniBand The IB switch card connects the Cisco SFS 3504 Server Switch to IB-attached hosts and other switches in the IB network. The 12-port IB switch expansion module provides 12 DDR IB ports with 3.3v powered interfaces. It is compliant with IBTA 1.1 and 1.2 standards. The ports drive up to 8 meters (maximum) of Cisco-approved passive copper cable. The module also has an RS-232 serial port and a 10/100 Base-T management Ethernet port.