M.2 NVME to PCI-E4.0 single-disk riser card for 1U server PCI-E3.0/4.0 graphics card slot: supports motherboards with PCI-Ex4/x8/x16 card slot interface Fast heat dissipation and fast operation: cooling holes, expand the heat dissipation area, increase the heat dissipation effect, and the stability of the hard disk Support 4 specifications: with 2230/2242/2260/2280 long and short M.2NVME protocol hard drives Multi-system compatibility: suitable for Windows series/ OS/Linus and other systems Type: M2 SSD PCIE Adapter Interface Type: PCI Supported hard disk: M Key hard disk (NGFF is not supported) Transmission rate: 32Gbps Card slot: X4/X8/X16 Support system: Windows//Linux Colour:black Material: PCB Size:95 x 34mm Package Contents: 1 x Riser Card 1 x Lock Plate Screw 1 x Mobile Stud 1 x Screwdriver Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.