On this episode of Crazy Will Tech Show, I show how to upgrade the ram on a 2015 27” iMac. I'm going to try the factory ram which is 8GB with aftermarket 8GB of ram. Giving me a total of 16GB. We’ll see if the 2 different types of ram will work together. I'll show you where to access the ram which is easy and how to put them in. So we’ll see if it works.
OWC 8GB (2 x 4GB) 1867 MHZ DDR3 SO-DIMM PC3-14900 204 Pin CL11 Memory Upgrade, (OWC1867DDR3S08S)
https://www.amazon.com/dp/B018VEP2HC/...