iMac
I have a late 2015 27 inch iM. I have two 4GB 1867MHz DDR3 in the memory slots. I am installing two 8GB 1867MHz DDR3 DIMMs. Should I leave the original 4GB in two of the slots? Or should I take them out and just have the two 8GB?
Thanks,
iMac 27″, macOS 10.13