M.2 PCIe NVMe(M Key) 2230 2242 Type SSD to 2016 2017 MacBook Pro 13" A1708 SSD Adapter Converter Card,M.2(SATA & AHCI)SSD Not Support After the installation of this adapter card is completed, if the disk cannot be recognized for the following reasons: 1.The original hard disk OS version is too low. 2.Please don't use M.2 SATA SSD. 3.This adapter card only supports the installation of Mac OS Mojave, Catalina or higher versions of Apple systems. 4.The OS installation disk must use version 10.14 or higher, please don't use version 10.11 or 10.12 or even 10.10 to install. 5.The NVMe SSD Drive integrated in the lower version systems cannot recognize most of the NVMe SSDs currently on the market! 6.When the hard disk is turned on before the system is installed, you cannot see the hard disk by pressing the option button. Don't think that the disk cannot be read at this step. Please use the installation USB to boot, enter the disk tool, partition and format the hard disk before installing the system normally!