Genuine Apple 1TB PCIe RAW Flash SSD kit (2 x512GB) for 2017 Apple iMac Pro A1862 – 656-061A EMC 3197. Will work only in 2017 Apple iMac Pro A1862 / iMacPro1,1, nothing else. Installation instructions will be provided. Installation will require another Mac computer to run Apple Configuration Utility. You will receive: 2 moduels, 512GB each.