The Supermicro CBL-SAST-0508-01 enables internal MiniSAS to MiniSAS HD connections for storage. This cable is compliant with T10 and SFF standard and is verified with Supermicro servers, AOC cards, and storage. Perfect for Internal MiniSAS SFF-8087 to miniSAS HD SFF-8643 Applications. - Copper Cable Assembly - Perfect for Internal MiniSAS SFF-8087 to miniSAS HD SFF-8643 Applications - Length is 50cm - Supermicro Certified