A-Tech 128 GB 4 x 32 GB ECC DDR4 2666 RAM per 2017 APPLE iMac Pro 1,1 A1862
(Class: DDR4. Compatibile Model Information A1862 Ram Class: DDR4. Kit Capacity: 128GB. SubFamily: Late 2017. Late 2017). Capacity: 32GB. Regular Apple iMacs require the use of SODIMM modules.