Features Side 1: Mini SAS SFF-8643 Side 2: Mini SAS SFF-8643 Transmission rate: 12 Gbps Meet SAS3.0 specification RoHS Compliant Impedance = 100 Ohms Material: Silver plated copper Cable: 30AWG Length: 1.6ft/0.5m Package:1 X Internal HD Mini SAS 8643 to 8643 Cable Compliant to the latest SAS 2.1 AND SAS 3.0 interface specifications. Important Note: Data transfer speed is determined by the capabilities of the connected hardware