Hp 16gb (1x16gb) Dual Rank X4 Pc3-14900r (ddr3-1866) Registered Cas-13 Memory Kit - 16 Gb (1 X 16 G at Amazon.com
Amazon.com: Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac(Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) MAC RAM Upgrade :