The is an external SAS-4 24Gb/s miniSAS HD (SFF-8674) to miniSAS HD (SFF-8674) cable. It measures 0.5 meters. The product is fully compliant with industry specifications SFF-8614, SFF-8644, and SFF-8674. External connector configurations of the Mini SAS HD product support 4X external cable assembly solutions, and it has the added system intelligence of EEPROM support.