Timetec 8GB Compatible for Apple DDR3L 1600MHz PC3L-12800 for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM at Amazon.com
Kingston DDR3 DDR3L 4GB 8GB 1066 1333 1600 1.5V 1.35V SO Memory RAM for Notebook | eBay