Product picture - OWC Other World Computing 64GB DDR4 2400 MHz SO-DIMM Memory Upgrade Kit with Installation Tools for 21.5" iMac OWC, Other, World, Computing, 64GB, DDR4, 2400, MHz, SO-DIMM, Memory, Upgrade, Kit, with, Installation, Tools, 21.5, iMac Click the image to close this page