Product name: PCIE NVME m.2 SSD To PCIE 16X 8X 4X Expansion Card+Heat sink Input interface: M-Key M.2 NVME ( Don't Support SATA Protocol m.2 NGFF ) Output interface: PCIE 16X 8X 4X Support Devices: Various PCIE Protocols NVME m.2 SSD Support system: Windows7 / 8 / 10 / Linux colour:black Material:Metal + electronic components size:100*42mm Package Contents: 1* expansion card 1* screwdriver 3* thermal pad Only the above package content, other products are not included. Note: Light shooting 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.