* Same dimension as 2012 Air SSD: 109mmx24mm / 4.29inch*0.95inch. Attention: Before installation, turn off the power and remove the battery. no need drivers. * Can replace following SSD: Toshiba THNSNS064GMFP, Toshiba THNSNS128GMFP, Samsung MZ-EPC5120/0A2 (512GB). * The adapter only supports 2012 version Apple MacBook Air,the model includes A1465 A1466 (MD223 MD224 MD231 MD232). * This adapter installed the NGFF SSD can replace original APPLE SSD, can install the MAC OS or Windows OS. About M.2 NGFF SSD interface standard: 1.Socket 2 (B+M Key): there are SATA (such as THNSNH128G8NT/ THNSNH128GDNT/MZNTD256HAGM models of SSD) and PCIe X2 (such as PX-AG128M6E/PX-AG128M6E/SD6PP4M models of SSD) two different transfer mode. 2.Socket 3 (M key):PCIe X4(eg. Samsung 950PRO / Samsung 960EVO / Samsung 961 models of SSD) transfer mode. About MacBook Air SSD interface standard: 1. 2010 and 2011 version MacBook Air SSD is 6+12 pin, the dimension is 109 x24 mm (SATA-bus interface) 2. 2012 version MacBook Air SSD is 8+18 pin, the dimension is 109x 24 mm (SATA-bus interface), 2012 version MacBook Pro SSD is 8+18 pin, the dimension is 89 x33 mm (SATA-bus interface) 3. 2013 and 2014 and 2015 version MacBook Air SSD include two sides golden-finger, one side is 16+12 pin, the other side is 11+14 pin, the dimension is 89 mm*24 mm. It's PCIe X4 bus interface. 4. 2013 and 2014 and 2015 version MacBook Pro SSD include two sides golden-finger, one side is 16+12 pin, the other side is 11+14 pin , the dimension is 89x33 mm. It's PCIe X4 bus interface. See more

Note: If your SSD is fist time use, should be install to the Converter, then setting Management device to reformatting the SSD, only in this way can SSD be recognized by computers. Size is same as 2012 Air SSD: 109x24mm / 4.29inch*0.95inch. Support 4 size NGFF SSD: Type 2230, 2242, 2260, 2280. Only support dual notch NGFF SATA-Based B KEY & B+M Key SSD. Fits MacBook Air 11 inch A1465, 2012 Model MD223 MD224. Fits MacBook Air 13 inch A1466, 2012 Model MD231 MD232. Please note that it supports SATA-Based "B Key" & "B+M Key" SSD. It does NOT support PCI-e Based "M key" (NVME AHCI)SSD (eg. Samsung 950PRO / Samsung 960EVO / Samsung 961).