The Adaptec ACK-I-HDmSAS-HDmSAS-.5M is an internal Mini Serial Attached SCSI HD x4 (SFF-8643) to Mini Serial Attached SCSI HD (SFF-8643) cable. It measures 0.5 meter and is used for connecting a SAS/SATA adapter to a SAS/SATA backplane.
Weight 0.55 Item Dimension 10.6 x 7.2 x 1.2 Warranty Information N/A