Retina Mid-2012 - MacBookPro10,1
Compatible upgrades for: MC975LL/A, MC976LL/A, MD831LL/A - Mid-2012 15-inch Retina Macbook Pro's.
Standard RAM: 8 GB
Maximum RAM: 16 GB*
Details: *8 GB of RAM is onboard. It originally could be upgraded at the time of purchase to 16 GB as a US$200 option, but it cannot be upgraded subsequently.
RAM Slots: 2