OWC 8GB Memory Upgrade Kit 2 x 4GB PC19200 DDR4 2400MHz SO DIMMs for iMac (Mid 2017), Mac mini (Late 2018), and compatible PCs

8.0GB (2 x 4.0GB) 2400MHZ DDR4 SO-DIMM PC4-19200 260 Pin CL17 Memory Upgrade for Mid 2017 iMac 27" w/ Retina 5K models and PCs which utilize PC4-19200 SO-DIMM Memory Upgrade Kit For iMac 27" 2017 with Retina 5K display with processors: 27" i5 3.4GHz, 27" i5 3.5GHz, 27" i5 3.8GHz, 27" i7 4.2GHz Install in pairs (2 modules at a time) for the best performance, iMac 5K comes with 4 memory slots supporting up to 16GB per slot (iMac 5K supports 64GB total memory) Warranty Safe Upgrade OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program