1.this Nvme Ssd Convert Adapter Is Diy Kit For Assembling A Upgraded Ssd For Macbook With Large Capacity Nvme Ssd 2.it Is Compatible With Macbook Air 11 Inch A1465 And Macbook Air 13 Inch A1466 (mid 2013-2017), Macbook Pro (retina) 13 Inch A1502 And 15 Inch A1398 (late 2013 - Mid 2015), Mac Pro Me253 Md878 3.require Macos 10.13 High Sierra Or Later; Dont Compatible With Earlier Than Mac Os 10.13 Versions. Please Use Your Original Ssd To Upgrades Your Macos Before Installation 4.support M.2 Nvme/ahci Ssd Such As Samsung 960 Evo, Samsung 970 Evo/pro, Wd Black, Crucial P1, Hp Ex920, For Adata Sx8200, Intel 600p Series Nvme Ssd And So On 5.used To Upgrade Your Storage Capacity, For Tech Enthusiasts, High-end Gamers, 4k And 3d Content Designers Size: 22*13*3mm Color: Main Color Black Material: Pc Board + Metal Package Contents: 1 * M.2 Key A To Key M Adapter 1 * Screw 1 * Screw Driver Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displ