Features: brand new and high quality SFF-8643 to SFF-8639 power cable, used to connect PCIe slot with SFF-8643 port and SSD with interface, it comes by upgrading the computer with NVMe SSD Provide high-performance data transmission. SFF 8643 to SFF 8639 cable upgrade storage, through PCIe3.0, 4-channel connection can achieve NVMe SSD high-speed operation; NVMe cable with integrated SATA power supply connected to the computer power supply 3.3V 12V input power for NVMe SSD. Built-in hard disk lines SFF 8643 to 4 SFF 8639 with 15P power generation next-generation storage interface, and provides a new product portfolio. SFF-8643 is suitable for cards such as add-on card, Gigabytes to add-on card, accessory super kit expansion card. Meet the signal bandwidth requirements of 6Gbs to 12Gbs or the corresponding 2.1 and proposed SAS3.0 industry standard signal specifications. Specifications: Material:PVC Interface typeFlat heads interface Process:Injection molding Weight:40g Color:Black Length:Approx.50cm/19.68inches Package Includes: 1x Power Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.