1.Function of this adapter card: It is to convert the M.2 NGFF SATA protocol B-Key SSD solid state drive installation to for- Air 2010 version 2011 version A1369 A1370 MC503 MC504 MC505 MC506 MC968 MC969 MC965 MC966 laptop SSD solid state drive for use. 2.The adapter card supports M.2 NGFF SATA protocol B-Key SSD solid state drives, with specifications of: 2280 (22 mm wide and 80 mm long, 2260 (22 mm wide and 60 mm long), 2242 (22 mm wide and 42 mm long), and only supports single-sided (only one side of the chip component) particle SSD solid state drives. Note:M.2 NVME PCIE protocol M-Key SSD solid state drive installation is not supported. Please identify the SSD solid state drive in your hand to avoid buying the wrong one. The product adapter card does not contain an SSD hard drive, and you need to purchase a hard drive combination to install it yourself. No additional power supply is required. Colour:black Material:PCB Package Contents: 1 x M.2 NGFF SATA Adapter Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.