Features: brand new and high quality Support equipment: various PCIE protocol NVME for m.2 SSD. Simple installation: no drivers are required. The riser card is a hollow design, which already has a good heat dissipation effect. There is no need to add heat sinks in DIY, and there is no better heat dissipation effect. Compatible motherboard: The motherboard chipset cannot be lower than the 9 series. Only supports PCIe x4 x2 NVMe protocol with sizes of 2280 2260 2242 2230,and the support size is 2280 2260 2242 2230 PCIe x4 x2 AHCI protocol for M.2 NGFF SSD solid state drive ; AHCI protocol is not SATA protocol Specifications: Input interface: M-Key for M.2 NVME (does not support SATA for M.2 protocol). Support specifications: 2230, 2242, 2260, 2280 size SSD Output interface: PCIE X16, X8, X4, X1 Support equipment: various PCIE protocol NVME for m.2 SSD. Support system: Windows7/8/10/Linux. Specification: PCI E x1 interface / PCI E x4 interface (Optional) Size: approx 12x9.5x3.2cm/4.72x3.74x1.26in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measuremen Package includes: 1 PC x Adapter Card