Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 RAM for Mac Book (Mid 2010 13-inch), Mac Book Pro (Mid 2010 13-inch), iMac (Late 2009 27-inch), Mac Mini (Mid 2010)
Crucial 16GB Single DDR3L 1600 MT/s (PC3-12800) DR x4 RDIMM 240-Pin Server Memory CT16G3ERSLD4160B at Amazon.com