Description of CableCreation Internal Mini SFF 8643 Host
This Mini SAS (SFF-8643) to 4x SATA Cable, SFF-8643 is host , connect to the motherboard or RAID Controller with Mini SAS ports. 4x7Pin SATA is the target , connect to the hard drives with SATA port. Before you buy this cable , please make sure the Mini SAS (SFF-8643) on your motherboard or RAID Controller. If the Mini SAS (SFF-8643) on your backplane, this cable will not work with them. SFF-8643: the new connector uses less PCB real estate and allows higher port density for internal hosts and devices. Hybrid versions of these new cables will allow for a smooth transition from 6Gb to 12Gb. Serial Attached SCSI (SAS) is a high-speed data storage interface designed for high-throughput and fast data access. 90-degree design can make for better cable management in some situations, especially in tight spaces.
Added to my Dell server. Connected to the LSI controller card and the disks were recognized immediately. No speed issues or disconnects.
Pros
SFF-8643: New connector takes up less PCB space and offers higher connection density for internal hosts and devices. Hybrid versions of these new cables enable a seamless transition from 6 Gb/s to 12 Gb/s.