This riser card supports the 2280 PCIE x4 and PCIE x2 protocol M.2 NGFF SSD converted to the 2013 2014 2015 version of the for Apple for MacBook AIR and PRO A1465 A1466 A1502 A1398 hard drive. PCIE x4 and x2 M.2 NGFF SSD are divided into AHCI protocol and NVMe protocol. For Novice user, please use PCIe x2 or x4 AHCI hard disk. Experienced and capable user can use NVME protocol PCIe x4 M. 2 NGFF SSD installation. In particular, not all NVMe M.2 NGFF SSD for Apple computers are compatible!