U.2 U2 Kit SFF-8639 NVME PCIe SSD Adapter & cable for Mainboard Intel SSD 750 M.2 SFF-8643 Mini SAS HD Hyper Kit Storage controller ,Ultra M.2 Card , 4 GBps , PCIe 3.0 x4.Note: for M-key or NVME SSD, please Update to add native driver support in NVM Express in Windows 7 and Windows Server 2008 R2 Specification:Connector:1 x 36 pin SFF-8643 female ; 1 x NGFF PCI Express x4, V3.0 Data transfer rate up to 12 Gbps. Supports NVM Express (NVMe). System requirements: Windows 7/7-64/8/8-64/8.1/8.1-64/10/10-64, Linux Kernel 3.16 ; PC with one free PCI Express x4 / x8 / x16 / x32 slot Package included:1. Nvme U.2 to SFF-8639 PCBA Adapter ; 2. Nvme U.2 to SFF-8639 cable 50cm