OWC Memory Upgrades For 27″ iMac with Retina 5K Display (Late 2014 & Mid 2015)devynzal2020-07-26T05:58:18+00:00 Actual product may differ slightly in appearance.Memory trade-in rebateSend us your old memory when you upgrade and we’ll give you a rebate! OWC Memory This Mac has four available memory slots.Install in pairs for best performance.Backed by an OWC Limited Lifetime Warranty.Buying Options1600MHz DDR3 PC3-12800 — Maximum 32GB supported8GB (4GB x 2)4,990 Buy Now12GB (8GB + 4GB)6,990 Buy Now16GB (8GB x 2)7,990 Buy Now32GB (8GB x 4) 15,990 Buy Now OWC Memory Upgrades For 27″ iMac with Retina 5K Display (Late 2014 & Mid 2015)32GBUp to 32GB memoryWorks with the following Model IDsiMac15,1 Rigorously in-house lab testedEasy DIY install videosOWC MaxRAM CertificationLifetime advanced replacement warranty