chinatera M.2 (NGFF) SSD to 18 Pin SSD Adapter for 2010-2011 MacBook Air 1.The adapter installed NGFF SSD can replace the following SSD modules for 2010-2011 MACBOOK Air(Model: A1369 A1370 1375 A1377 mc505 mc506) 2.The adapter supports only 4 sizes of NGFF SSD (2230/2242/2260/2280mm). No external power supply required. 3.The adapter supports only SATA transfer mode SDD(KEY B), it can not support PCI-E 2X transfer mode SSD(Socket 2 B+M key) and PCI-E 4X transfer mode SSD( socket3 B+M key) 4.The dimension adapter is same as 2010-2011 Air SSD: 109x24mm.No drivers needed for this adapter 5.The transmission speed and other properties are not changed after installing this adapter and NGFF SSD