Slim Line SAS 4.0 SFF-8654 4i 38pin to HD Mini SAS 4i SFF-8643 36pin Cable This SAS cable can be used to connect internal devices, e.g. a backplane with Mini SAS HD SFF-8643 connector to a controller with Slim SAS SFF-8654 4i connector. Ultraport SlimSAS 4i 38Pos Cable Assembly Slim SAS 4i Straight to HD Mini SAS 4i Length: 50cm Connector 1: Slim SAS 4i 38pin Connector 2: HD Mini SAS 4i 36pin Applications for Servers,Data Storage,Workstation meet PCIe Gen3 and SAS4.0 specification Features and Benefits: 1.Smaller size connector and cable saves device space 2.Provide four channels signal transmission as per industry standard 3.Data speed: 24Gbps for SAS and 8GT/s for PCIe per channel 4.Meet SAS3.0, Ultraport SlimSAS SFF-8654, SFF-8643 specification