Specification: Color: Red Item size: 8.2 * 2.1 * 1.1cm / 3.2 * 0.8 * 0.4in(L * W * H) Item weight: Approx. 23g / 0.8oz Package size: 13.8 * 13.6 * 3cm / 5.4 * 5.4 * 1.2in(L * W * H) Package weight: 55g / 1.9oz The NGFF M.2 to USB 3.0 adapter enables you to connect any USB motherboard 20pin device to motherboard NGFF B Key (socket 2) or M Key (socket 3). With floppy 4 pin power connector for stable power supply. Compatible with high speed USB 3.0, which transfer rates up to 5 Gbps. Features: One motherboard NGFF M.2 B & M key male and 20pin USB 3.0 female connectors available. Compatible with USB 3.0, superior speed up to 5Gbps. Compliant with PCI-E M.2 spec. 1.0. Supports socket 2 (B Key) & socket 3 (M Key). Adopt advanced high performance Renesas D720202 chipset, reliability and stability. Works greatly for any OS, such as for Windows, for Mac, for WinCE, for Linux and more. Easy installation, 2 screw holes 2260 / 2280 available.