PCI-E Ultraport Slimline SAS Slim 4.0 SFF-8654 8i 74pin to Dual SFF-8643 4i Mini SAS HD Cable PCI-Express This cable can be used to connect internal devices, e.g. a backplane with Slim Line 8654 74pin connector to a controller with SFF-8643 connector. Ultraport Slimline 8i 74Pos Cable Assembly Length: 80cm Connector 1: Slimline SFF-8654 8i 74pin Connector 2: Dual SFF-8643 Mini SAS HD Applications for Servers,Data Storage,Workstation Meet PCIe Gen3/4 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: 12Gbps for SAS and 8GT/s for PCIe per channel 4.Meet SAS4.0, Ultraport SlimSAS SFF-8654 specification