12GB/s Mini SAS HD 4i plug (SFF-8643 36P) to U.2 plug (SFF-8639 68P) cable with SATA power Connector 1: 1 x SFF-8643 male; Connector 2: 1 x U.2 SFF-8639 male + 1 x SATA 15-pin female connector Data transfer rate: PCI Express rev 2.0 is up to 2 GB/sec; PCI Express rev 3.0 is 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 Support all NVMe SSD External hard drive cable Mini sas HD SFF 8643 to 4 SFF 8639 with 15P power supply generation SAS storage interface, and provides a Mini-SAS HD product portfolio. The product meets the signal bandwidth requirements of 6Gb/s to 12Gb/s or the corresponding SAS 2.1 and proposed SAS 3.0 industry standard signal specifications. The system also provides a greater linear circuit board port density (port to port 11 mm) than the previous SAS interconnect system (port to port linear port density is only 19.01 mm) Mini-SAS HD products fully comply with SFF-8643 (internal application) and SFF-8644 (external application) industry specifications. Connector: SFF-8643 to SFF-8639 12G Cable specifications Internal connector A: 1 x 36-pin HD Mini SAS SFF-8643 male with latch Internal connector B: 1 x 68-pin U.2 SFF-8639 male Power connector: 15-pin SATA socket Colour: Black Material: Copper Package Contents: 2 x hard disk data cable