OWC 8GB (4GB x 2pcs) 1867 MHz
OWC 16GB (8Gb x 2pcs) 1867 MHz
OWC 32GB (8GB x 4pcs) 1867MHz
OWC 32GB(16GB x 2pcs) 1867MHz Note: These are 16GB modules.
OWC 64GB(16GB x 4pcs) 1867MHz Note: These are 16GB modules.
OWC PC3-14900 DDR3 1867MHz SO-DIMM 204 Pin CL11 Memory Upgrade Kit for 2015 (Late) iMac 27" w/ Retina 5K models and PCs which utilize PC3-14900 SO-DIMM.
Warranty: Memory comes with Lifetime warranty.