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. Package Content: 1x M.2 NVME SSD Convert Card 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)This M.2 NVME SSD convert adapter will not affect the performance of your SSD as it only converts the NVME SSD to an Apple SSD slot and cannot be used in B-key or B/M-key slots. Requires MacOS 10.13 High Sierra or later. Not compatible with versions earlier than Mac OS 10.13 and does not support Samsung PM981, Samsung 950 Pro, Samsung 970 Evo Plus. 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 converter, you can easily upgrade your Macbook with a simple installation. Perfect for tech enthusiasts, high-end gamers, and 4K and 3D content designers. M.2 NVME SSD Conversion Adapter for DIY Replacement SSD Upgrades for MacBooks with High-Capacity NVME SSD.