10Gtek for D-Link DEM-CB100S 10Gb/s 10GBASE-CU SFP+ Direct Attach Copper (DAC) Twinax Cable Passive 1-Meter SFP+ to SFP+ DAC, Passive, 1-meter, AWG30 Compatible for D-Link DEM-CB100S (1 meter 10GbE Direct Attach Copper DAC SFP+ Cable) Each DAC Cable is individually tested on D-link switches before delivery Data Rate: 10Gb/s 10Gtek is a manufacturer of Direct Attach Copper Cable, Customized sevice is available