Cisco SFP-H10GB-ACU7M Active Twinax Cable Assembly, FF SFP+ DAC Cable, Data Rate 10.5Gb/s, Voltage 3.3V, Cable Length 7m, Cable impedance 100 ?, Wire Gauge 24AWG, Minimum cable bend radius 35mm, Cable Jacket Type PVC, Connector SFP+/SFP+. The SFP+ DAC copper cable is programmed to be compatible with a wide range of Cisco network equipment for in-rack connections such as 10 Gigabit Ethernet (10 GbE) Switches, Routers, Network Interface Cards (NICs) and Network Storage Systems.