10Gtek for Cisco SFP-H10GB-CU3M 10GBASE-CU Direct Attach Copper Cable, Twinax Cable, Passive,3-meter SFP+ to SFP+ DAC, Passive, 3-meter, AWG30 Compatible for Cisco SFP-H10GB-CU3M (3-m 10G SFP+ Twinax cable assembly, passive) Each DAC Cable is individually tested on Cisco switches before delivery Data Rate: 10Gb/s 10Gtek is a manufacturer of Direct Attach Copper Cable, Customized sevice is available