Product name: M.2 NVME to PCIe 4.0 x16 adapter cardSupport hard disk: M.2 NVME 2280Slot: M.2 M-KEY (does not support SATA protocol NGFF)Compatible system: Windows 8 / Windows 10 / LinuxSize: 165x86x10mm (L*W*H)Note: Only applicable to motherboards that support split PCIE channelsColour: blackMaterial: metalPackage Contents:1 * M.2 nvme to PCIe 4.0 x16 adapter cardOnly 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.