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 2.0 is up to 2 GB/sec; PCI Express 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 SAS storage interface, and provides a new 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 . 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 . Connector:SFF-8643 to SFF-8639 12G Cable 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:Plastic+Metal Size:About 0.5m long Package Contents: 1 x hard disk data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.