1) It is an internal Mini Serial Attached SCSI HD x4 (SFF-8643) to SFF-8643 adapter.
2) It can connect two SFF-8643 connector together.
3) The High Density (HD) system referenced as HD Mini-SAS (SFF-8643) in the SAS 4.0 standard, meets the 24Gb/s SAS specification.
4) Smaller size connector and cable saves device space, Applications for Servers, Data Storage, Workstation, Meet PCIe Gen3/4 and SAS 4.0 specification.
5) Provide four channels signal transmission as per industry standard, Data
speed: 24Gbps for SAS and 8GT/s for PCIe per channel.