Can I upgrade MacBookPro13"(Early 2011-1333 MHZ DDR3-2.3 GHZ i5) to 16GB 1600 MHZ RAM?
The source I have, MacTracker, says your laptop can be upgraded to 16 GB. I don't know about the 1600 MHz but I assume that would be ok if all of the memory modules were 1600 MHz.