Connects 2 20-pin USB devices from motherboard to motherboard NGFF B or M Key, complies with PCI Express M.2 1.0 specification Complies with USB 3.0 specification, data transfer rate up to 5.0 Gbps Supports Support Socket 2 (B key) and Socket 3 (M key), Stable and reliable NEC Renesas D720201 Chipset Two 20-pin motherboard male connectors and one NGFF M.2 B+M key male available, connector 4 pin floppy disk power supply available for stable power supply 2 2260/2280 screw holes available, easy installation and no drivers required, supports all operating systems, like Windows, WinCE, Mac and Linux, etc. size: 82 x 22.5 x 13mm Material: PCB + electronic components color: red Package Contents: 1 x 2 ports motherboard 20 pin to NGFF M. 2 B + M key adapter card 1 x cable 4Pin Floppy Disk Power Supply to Molex 1 x Screw 1 x Screwdriver (Note: Random color and style, do not accept the specified.) 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 allowable measurement error is +/- 1-3 cm.