1、NGFF to PCIe Card: M.2 to PCIe expansion card, X4 card slot. For 2260/2280 M.2 SSD module slots. 2、High Performance: Association standard M.2 M Key gold finger, high gold plating, strong oxidation resistance, good conductivity and wear resistance. 3、4 Layer Circuit Board: The multi layer circuit board is used for lossless transmission, and the 4 layer circuit board is used, which has strong anti interference ability and effectively ensures the stability, data integrity and impedance matching of PCIe high speed signal transmission. 4、Card Slot: High quality PCIe X4 card slot with broken end, compatible with X1 X4 X8 X16, full size PCIe device. 5、Power Supply Interface: The horizontal small 4PIN power supply interface is used to effectively avoid interference to PCIe devices after the power cord is inserted.