CMS 4GB (1X4GB) DDR4 19200 2400MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Apple IMAC Retina 5K, 27-inch (2017) - C105

CMS 4GB (1X4GB) DDR4 19200 2400MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Apple® IMAC Retina 5K, 27-inch (2017) - C105 Voltage: 1.2V Compatible System: Apple IMAC Retina 5K, 27-inch (2017) CAS Latency: CL17 Timing: 17-17-17 Type: 260-Pin DDR4 SO-DIMM Rank: 2Rx8 Package Content: 1Memory Ram Stick