It converts the NGFF M-key SSD to (for) 12+16Pin 2013 2014 2015 Macbook Air/Pro SSD.Features:Converts 2280 PCIe x4 M.2 AHCI NGFF into (for) 2013 2014 2015 Macbook Air A1465 A1466 and MacBook Pro A1398 A1502 SSD.No additional driver needed.It won't change your PC performance. So don't worry about that.Specifications:Package Weight: 2g / 0.07ozItem Size: 2.2 * 0.9 * 0.5cm / 0.87 * 0.35 * 0.20in （L * W * H）Package Size: 9 * 6 * 0.5cm / 3.54 * 1.97 * 0.20in （L * W * H)Please Note:Do not support PCIE X4 NVMe.Do not support (for) Mac 2013 or later version adopted SATA M.2 NGFF SSD.We suggest Samsung SM951 SM961 PM961 960EVO PRO Intel 760P series, SANDISK extreme Pro， EX900 920 and Lexar NM600 and Micron P1 for 2013 2014 2015 Apple computer hard drive (Plextor, Hynix and Samsung 981 series and 970 plus would not work). 2015 and 2017 can also use Samsung 970 and LITEON T10). If using Samsung 970evo pro on 2013 and 2014, only APPLE operation system is supported. Win10 would cause a crash.Note: 1. Please upgrade the system of the hard drive to the latest version before changing computer hard drive. 2. After downloading the latest installation files from APP STORE, please copy one first rather than upgrading and installing. Or else the file would automatically be deleted. Copy the file to the USB flash disk. After the system is upgraded, copy the file to the place. 3. You must install by USB flash disk. Using network installation and time machine to restore the system is not allowed. The version of the system USB flash disk must be 10.14 or above. 4. We command upgrading the latest APPLE system before changing hard drive. Download on the APP STORE and install and upgrade to the latest version. 5. The system USB flash disk must use the system downloaded from the APPLE system APP STORE and do system by command line. Do not use the third-party software and third-party system files.Replacemment:(For) 2013 version MacBook Pro retina A1398 A1502 (ME864 ME865 ME866 ME293 ME294)(For) 2014 version MacBook Pro retina A1502 A1398 (MGX72 MGX82 MGX92 MGXA2 MGXC2)(For) 2015 version MacBook Pro retina A1502 A1398(MF839 MF840 MF841 MJLQ2 MJLT2)(For) 2013-2014 version MacBook Air A1465 A1466(MD711 MD712 MD760 MD761)(For) 2015 version MacBook Air A1465 A1466 (MJVM2 MJVP2 MJVE2 MJVG2) and Mac Pro ME253 MD878 iMAC A1419 (Later than 2013 and newer).Package List:1 * Adapter CardDear customer:Hello, we are a global seller.(Name:Technego)Our owner specializes in 3C products such as computers and networks, video and audio, mobile phone accessories, as well as musical instrument accessories, tablet, game accessories and other products. Together with many brands, We hope to devote ourselves to bring you a high-quality shopping experience with high cost performance and rich product series, and hope to collect more needs and opinions from African friends, so as to gradually improve products and bring you better services. Please leave more messages. or email to retell11@outlook.com,We will check and collect your valuable opinions regularly.In addition, we will continue to launch new products every week,bless you all!