This product is inserted into the PCIE X4 or PCIE X8 or PCIE X16 slot of the motherboard, that is, the graphics card slot of the motherboard. Do not insert it into the PCI slot by mistake. Errors may burn the motherboard, adapter card and your SSD M. of PCIE X4 transport protocol 2 SSDs are divided into AHCI protocol and NVME protocol. Windows 7 cannot recognize the NVME protocol SSDs, so pay special attention to this If Win7 is installed, it can only be used normally with NVME drivers installed. Win10 can directly identify NVME without drivers Colour:green Material:plastic Package Contents: 1 x Adapter Card 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.