Features: 1: The product only support 2012 version for Apple for MacBook Air model is A1370 A1369 (MC503 MC504 MC505 MC506 MC968 MC969 MC965 MC966). 2: The speed and other properties is not changed, only form conversion interface. 3: Adapter card + for M.2 NGFF SSD can replace original hard disk, also installed the for MAC OS or for Windows operating system. Notice: 1: Only sales adapter card,images of SSD and mainboard is not sales! 2: The adapter card only support 22*80 mm size of for M.2 NGFF (SATA) SSD,it does not support PCIe X2 or PCIe X4 transfer mode of solid state drives. 3: Some of for M.2 NGFF SSD is not for apple laptop,Such as the use Sand-Force main control chip of solid-state drives,If it is installed on the for Apple computer,The computer will be crashed,or can'for t install the operating system,or unable to format the hard disk failure, etc. 4: The buyer can'for t apply for a refund or return because of compatibility issues,because we don'for t have the condition to compatibility test of all solid-state drives,if there is a compatibility problem please replace other types of hard disk. 5: Please open the trim function after for Mac OS installed, it does not need to manually open if install for Windows operating system. 6: This product performance is being improved unceasingly, like has the change, not separate informs even slightly.Pictures for reference only, subject to our available products. About for M.2 NGFF SSD interface standard: 1. Socket 2(B +M for 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(for M for key):PCIe X4(such as MZHPU128HCGM and MZHPU512HCGL models of SSD) transfer mode. About for MacBook Air SSD interface standard: 1: 2010 and 2011 version for MacBook Air SSD is 6+12 pin, only one side have contact,size is 109 mm*24 mm.It's SATA interface. 2: 2012 version for MacBook Air SSD is 7+17 pin, size is 109 mm*24 mm.2012 version for MacBook Pro SSD is 7+17 pin, size is 89 mm*33 mm.It's SATA interface. 3: 2013 and 2014 and 2015 version for MacBook Air SSD is both side have contact,one sid is 16+12 pin,the other side is 11+14 pin,size is 89 mm*24 mm.It's PCIe X4 interface. 4: 2013 and 2014 and 2015 version for MacBook Pro SSD is both side have contact,one sid is 16+12 pin,the other side is 11+14 pin,size is 89 mm*33 mm.It's PCIe X4 interface. Package Includes: 1 x Adapter Card