Answer to: 16 GB possible with OS X Mountain Lion or Mavericks?It still lives! The 13" MacBook Pro I had asked about so long ago it feels like. "LittleBigMac" is one heck of a soldier and still runs strong with my photo editing in Aperture and Photoshop. I can proudly say that with the latest upgrade to this same MacBook Pro, it's doing an amazing job running with OS X El Capitan and The latest upgrade in question is a 1GB SSD so I can really benefit the most of what this five year old Mac has to offer. Similar PC's would have be replaced by now but with a new battery, the 16GB system RAM upgrade, and just good general maintenance, this has been the absolute best laptop I have ever owned. While I am still waiting for the SSD to arrive, I have been backing up my files from my home folder since I wish to do a clean install from it's initial shipping OS version to boot and then perform a network install just to have a clutter free system directory as I have never had any failure requiring an OS repair, re-install. Many balk at me still rocking an old Mac like mine but it's ...