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
Crucial 8GB Single DDR3/DDR3L 1333 MT/s (PC3-10600) SODIMM 204-Pin Memory For Mac - CT8G3S1339M at Amazon.com