General description The Built-in 12G SAS HD to U.2 36P SFF-8643 SFF-8639 Cable is designed for high-speed data transfer, featuring a Mini SAS HD 4i plug (SFF-8643 36P) to U.2 plug (SFF-8639 68P) configuration. This cable supports NVMe SSDs and external hard drives, providing a reliable connection for SAS storage interfaces. Technical specifications Data transfer rate: PCI Express rev 2.0 up to 2 GB/sec; PCI Express rev 3.0 up to 4 GB/sec PCIe Gen 3 4 lanes = 4 GB/s X 4 = 16 GB/s Conductor diameter: 32 AWG data wire; 24 AWG power wire Length: About 0.5m Color: Black Material: Plastic + Metal Compatibility and accessories Compatible with NVMe SSDs and external hard drives Includes 1 x SFF-8643 male connector Includes 1 x U.2 SFF-8639 male connector Includes 1 x SATA 15-pin female connector Installation Connect the SFF-8643 male connector to the SAS storage interface Connect the U.2 SFF-8639 male connector to the U.2 interface Connect the SATA 15-pin female connector to the power supply