Chosen Solution
This site offers PC3-10600 8 GB RAM Chip (I’m assuming you need to buy 2 for a total of 16 GB, but Apple says PC3-12800 DDR3 1600 MHz type RAM up to 8GB maximum. What do I believe? (Definitely 2.0GHz 15" MacBook Pro (MC721LL/A)) Update (04/24/2016) Thanks to all. @ricciriccardo please keep me posted with updates/ info; is it still working any glitches etc. Thanks
http://www.everymac.com/systems/apple/ma… Standard RAM: 4 GB Maximum RAM: 16 GB* Details: 4 GB of RAM is installed as two 2 GB modules, no slots free. *Apple officially supports a maximum of 8 GB of RAM, but as first confirmed by OWC, this model actually is capable of using up to 16 GB of RAM with two 8 GB memory modules.
