The ACK-I-mSASx4-4SATAx1-SB-0.7M R is an internal 6 Gb/s Mini Serial Attached
SCSI x4 (SFF-8087) to (4) x1 Serial ATA (controller based) fan-out cable with
SFF-8448 sideband signals.
It measures 0.7 meters and is used for connecting a SATA/SAS controller (with
or from SFF-8087) to SATA disks, or a SATA/SAS backplane.