Cisco N6004-M12Q network switch module

12-Port 40-Gbps Line-Card Expansion Module Cisco Nexus 6004EF expansion modules offer multiple interface options with the chassis base. Each 40 Gigabit Ethernet expansion module provides 12 ports of 40 Gigabit Ethernet and FCoE ports using a QSFP interface. With all eight expansion modules installed, the Cisco Nexus 6004EF delivers 96 ports of QSFP or 384 ports of 10 Gigabit Ethernet (SFP+) using the breakout cables. And all expansion modules are hot swappable.