Further information for Adaptec Mini SAS HD/SAS Data Transfer Cable 1 SFF 8643 Mini SAS HD SFF 8087 Mini - 2279700-R
The Adaptec ACK-I-HDmSAS-mSAS-1M is an internal mini serial attached SCSI HD x4 (SFF-8643) to mini serial attached SCSI x4 (SFF-8087) cable. It measures 1 meter and is used for connecting a SAS/SATA adapter to a SAS/SATA backplane.