Retina Late 2013 - MacBookPro11,2
Compatible upgrades for: ME293LL/A - Late 2013 15-inch Retina Macbook Pro's.
Standard RAM: 8 GB*
Maximum RAM: 16 GB*
Details: *8 GB of RAM is onboard by default, but it could be upgraded to 16 GB at the time of purchase for an extra US$200. RAM cannot be upgraded later.
RAM Slots: 2