To solve your macbook running out of space on the original SSD, with NVMe drives, you must update to 10.13 High Sierra or later before upgrading the SSD, as the computer's firmware needs to be updated first. Your SSD won't work without an update first. Compatible with the folllwing MacBook Models: (Note: requires macOS 10.13 High Sierra or later) MacBook Pro: MacBook Pro (15-inch Retina display Mid 2015)Model ID: MacBookPro11,5 (2.5GHz, 2.8GHz) MacBook Pro (13-inch Retina display Early 2015)Model ID: MacBookPro12,1 (2.7GHz, 2.9GHz, 3.1GHz) MacBook Pro (15-inch Retina Display 2014)Model ID: MacBookPro11,3 (2.5GHz, 2.8GHz) MacBook Pro (15-inch Retina Display 2014)Model ID: MacBookPro11,2 (2.2GHz, 2.5GHz, 2.8GHz) MacBook Pro (13-inch Retina Display 2014)Model ID: MacBookPro11,1 (2.6GHz, 2.8GHz, 3.0GHz) MacBook Pro (15-inch Retina Display 2013)Model ID: MacBookPro11,3 (2.3GHz, 2.6GHz) MacBook Pro (15-inch Retina Display 2013))Model ID: MacBookPro11,2 (2.0GHz, 2.3GHz, 2.6GHz) MacBook Air: MacBook Air (13-inch Mid 2017)Model ID: MacBookAir7,2 (1.8GHz i5, 2.2GHz i7) MacBook Air (11-inch Early 2015)Model ID: MacBookAir7,1 (1.6GHz i5, 2.2GHz i7) MacBook Air (13-inch Early 2014)Model ID: MacBookAir6,2 (1.4GHz, 1.7GHz) MacBook Air (11-inch Early 2014)Model ID: MacBookAir6,1 (1.4GHz, 1.7GHz) MacBook Air (13-inch Mid 2013)Model ID: MacBookAir6,2 (1.3GHz, 1.7GHz) MacBook Air (11-inch Mid 2013)Model ID: MacBookAir6,1 (1.3GHz, 1.7GHz) Mac Pro: Mac Pro (December, 2013) Model ID: MacPro6,1 (2.7GHz 3.0GHz, 3.5GHz, 3.7GHz) Package Content: 1x M.2 NVME SSD Convert Adapter See moreImportant Notice:This Macbook M.2 Nvme adapter will not affect your SSD performance as it only converts NVME SSD to Apple SSD socket.cannot work for B-key or B/M-key socket.It can't support recovering from internet. Require macOS 10.13 High Sierra or Later.NOT compatible with earlier than mac OS 10.13 versions.Please use your original SSD to upgrades your macOS before installation. Compatible with MacBook Air 11” A1465 & MacBook Air 13” A1466 (Mid 2013-2017), MacBook Pro (Retina) 13" A1502 & 15" A1398 (Late 2013 - Mid 2015), Mac Pro ME253 MD878. With this ssd adapter, you can easily upgrade your macbook with easy installation. Great for tech enthusiasts, high-end gamers, 4K and 3D content designers. M.2 NVME SSD Convert Adapter is a DIY kit to assemble an upgrade SSD replacement MacBook with a large capacity NVMe SSD.This is a much cheaper option than replacing the entire laptop or buying another propriety SSD.