1、2 Port 19Pin USB3.0 to NGFF M.2 Adapter Converter Express Card Connector Red. 2、Connect 2 USB motherboard 19-pin devices to the NGFF B or M Key motherboard. 3、Compliant with PCI Express M.2 Specification 1.0 and USB 3.0 specifications, data transfer rates up to 5.0Gbps. 4、Stable and reliable for NEC chipset for Renesas D720201, support socket 2 (B key) and socket 3 (M key). 5、Two mainboard 20-pin male connectors and one NGFF M.2 B + M-key male connector for floppy 4-pin power connectors for stable power supply. Features: 2 Port 19Pin USB3.0 to NGFF M.2 Adapter Converter Express Card Connector Red. Connect 2 USB motherboard 19-pin devices to the NGFF B or M Key motherboard. Compliant with PCI Express M.2 Specification 1.0 and USB 3.0 specifications, data transfer rates up to 5.0Gbps. Stable and reliable for NEC chipset for Renesas D720201, support socket 2 (B key) and socket 3 (M key). Two mainboard 20-pin male connectors and one NGFF M.2 B + M-key male connector for floppy 4-pin power connectors for stable power supply. 2 screw holes 2260/2280, easy to install, no driver required. Support for any operating system such as for Windows, for WinCE, for Mac and for Linux. Specifications: Material: ABS Size: Approx. 7*3*2cm/2.76*1.18*0.79inch Color: As is shown on the photo Transmission rate: 5.0GBps Package list: 1 x Riser Card 1 x CD 1 x Screwdriver 1 x Screw Bag 1 x Pin Cable