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 :
SK Hynix 4GB 2Rx8 PC3-12800E-11-13-E3 Ddr3 Ram | eBay
OWC 16GB (2 x 8GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Mac Mini 2010, MacBook 2010, & MacBook Pro 13" 2010 Models at Amazon.com