This NVME SSD conversion adapter is a DIY kit for assembling an upgraded SSD replacement for MacBooks with high-capacity NVME SSDs It joins for the Air 11-inch A1465 and for Air 13-inch A1466 (2013-Mid 2017), for the Pro (Retina) 13-inch A1502 and 15-inch A1398 (Late 2013-Mid 2015), and the Pro ME253 MD878. Requires for macOS 10.13 High or later; not compatible with versions prior to for macOS 10.13. Please upgrade for your macOS using an SSD before installation. Designed to upgrade your storage capacity, this product is Perfect for technology enthusiasts, high-end gamers, and 4K and 3D content designers. Supports M.2 NVME/AHCI SSD, such for 960 , for 970 /PRO, for , for Crucial P1, for EX920, for SX8200, for 600p series NVME SSD, etc. note: The factory batches are different. If there is a slight difference in the appearance of the words, it does not affect the use of the product. Material: plastic colour: Black Package Contents: 1 x Adapter Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.