How to upgrade the memory in a Non-Retina 15-inch MacBook Pro 2011-2016 MacBookPro8,1 MacBookPro9,1 - YouTube
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
Samsung ram Memory 8GB kit (2 x 4GB) DDR3 PC3-12800,1600MHz for 2012 Apple MacBook Pro's, iMac's and 2011/2012 Mac Mini's: Buy Online at Best Price in Egypt - Souq is now Amazon.eg