B Key / M Key M.2 NGF / mSATA three interface PCI-e 16X adapter card B Key m.2 NGFF (SATA specification), M Key m.2 NGFF SSD (PCI-E specification) and mSATA SSD can be conveniently placed on the desktop for use; Support system: iOS/Windows 8/10/Linux, etc M. 2 Support specifications: 2280/2260/2242/2230 usage : (1) Fix the hard disk on the M2 card (2) Insert the corresponding card slot on the motherboard, fix it, and reinstall the system (3) After the system is installed, enter the BIOS to set the first as the system hard disk, then save and restart; Colour:black Material:PCB+metal Package Contents: 1 x M.2 to PCI-E3.0 X16 Adapter 1 x Low Profile Bracket 2 x SATA3.0 Cable 1 x Screw Kit 1 x Screwdriver Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.