The good news is that even if you’re not interested in maxing out to 128GB of RAM, it’s incredibly easy to upgrade your 5K iMac’s memory, and you can save a whole lot of money in the process of doing so. For the first time, it’s now possible to upgrade the 27-inch 5K iMac with 128GB of RAM, although you’ll need to do so using third-party memory suppliers. In addition to the CPU and GPU, there’s another key upgrade element that got some love this year: Memory, and lots of it. Along with new 6-core and 8-core Intel options for faster CPU performance, new Radeon Pro Vega GPUs provide faster graphics. If you don't want to spend the money for 32 GB RAM, you could also add 16 GB RAM (2 x 8 GB RAM modules) to the preinstalled 8 GB RAM (2 x 4 GB RAM modules), resulting in 24 GB RAM in total.Īs I said, I suggest going for 32 GB RAM and selling the 2 x 4 GB RAM modules your iMac came with by default.Apple’s long-awaited refresh of the iMac lineup finally happened, and it brought about incremental, but nonetheless worthwhile, enhancements to the lineup. This video shows the procedure of the RAM upgrade: Here are some RAM modules that should work: Your iMac 27' supports up to 32 GB RAM (4 x 8 GB RAM modules).

You need RAM that matches the following specification:

The programs you use are using a fairly high amount of RAM, having the maximum capacity your iMac supports will ensure that it stays viable for years to come, and that the programs you use will enjoy the optimal performance it can deliver.

Late 2013 imac 27 upgrade memory