Sans Digital external mini-SAS HD to mini-SAS HD (SFF-8644 to SFF-8644) cable attaches to external device that equip with mini-SAS HD SFF-8644 connector. mini-SAS HD SFF-8644 cables combine four 12Gb/s connection into one, totaling 48Gb/s bandwidth, or up to 4800MB/s. Faster than eSATA, USB 3.0, 10G Ethernet or Thunderbolt, mini-SAS HD SFF-8644 product is ideal for any high speed data requirements. When connect with passive mini-SAS HD SFF-8644 device, each of the four 12Gb/s line is operate individually, providing direct access to the connected hard drives or SSD. mini-SAS HD SFF-8644 also work with SAS expander storage to provide 48Gb/s data transfer bandwidth in between hard drives and controllers. - Length from 0.5M, 1M, 2M and 3M - Up to 48Gb/s aggregated bandwidth, or 4 lanes of 12Gb/s - SFF-8644 to SFF-8644 - Support SAS (up to 12Gb/s) and SATA (12Gb/s)