Timetec Hynix IC 16GB Compatible for Apple 2017 iMac 27-inch w/Retina 5K Display, 2017 iMac 21.5-inch w/Retina 4K or Non-Retina Display DDR4...

Timetec Hynix IC 16GB Compatible for Apple 2017 iMac 27-inch w/Retina 5K Display, 2017 iMac 21.5-inch w/Retina 4K or Non-Retina Display DDR4 2400MHz PC4-19200 2Rx8 CL17 SODIMM Memory Upgrade (16GB) Brand: Timetec Capacity: 16GB Type: 260-Pin DDR4 SO-DIMM Speed: DDR4 2400 (PC4 19200) CAS Latency: CL17 Voltage: 1.20V Buffered/Registered: Unbuffered