Connects two Motherboard USB 3.0 devices to NGFF M.2 B Key or M Key.  Compliant with PCI Express M.2 specification 1.0.  Compliant with USB 3.0 specification.  Data transfer rate up to 5.0Gbps.  Supports socket 2 (B Key) & socket 3 (M Key).  Stable and reliable NEC Chipset Renesas D720202.  Two Motherboard 20 pin male and one NGFF M.2 B+M key male connectors available.  Floppy 4 pin power connector available for stable power.  2 screw holes 2260/2280 available.  Easy installation & no driver required.  Supports any OS, like Windows, WinCE, Mac & Linux etc.