Brand new.
This M.2 PCle nVME SSD adapter allows to upgrade the SSD with large capacity SSD
NVME SSD. It is compatible with MacBook Air 11" A1465 & MacBook Air 13" A1466 (Mid 2013-2017), MacBook Pro (Retina)
13" A1502 & 15" A1398 (Late 2013 - Mid 2015).
Requires macOS 10.13 High Sierra or later, isn't compatible with earlier than macOS 10.13 version. Please use your original SSD to upgrades your macOS before installation. Support M.2 NVME/AHCI SSD such as Samsung 960 EVO, Samsung 970 EVO/PRO ( 960 EVO Plus isn't supported), WD Black, Crucial P1, HP EX920, ADATA SX8200, Intel 600p series NVME SSD and so on.
It does not support recovering from internet, important to prepare bootable USB disk driver.