Internal MiniSAS HD SFF-8643 to Internal MiniSAS SFF-8087 Cable, 0.8 m/ 2.6 ft. Up to 6Gbps data rates. Impedance = 100 Ohms. adopts 3M Technology Twin Axial Cable, Fold-able, High-bandwidth, Low-skew cable, offering flexible design of benefits for the high-quality demands of customers. The core cable technology allows cable assemblies to provide system designers with an extensive selection of interconnect solutions across a wide range of industries and applications. cables are ideal for data center design to meet high-performance cable needs or to allow for improved airflow for cooling with its thin, fold-able cable design