A-Tech 8GB RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Module at Amazon.com
Crucial RAM 8GB Kit (2x4GB) DDR3 1333 MHz CL9 Memory for Mac CT2K4G3S1339M | Pricepulse
K906605039837G Corsair Apple Certified 16GB (2 x 8GB) DDR3 1333 MHz (PC3 10600) Laptop Memory for Mac Model CMSA16GX3M2A1333C9
8GB 2 X 4GB DDR3 Memory for Apple MacBook Pro 13" inch 2.7GHz Dual Core Intel Core i7 MC724LL/A (Winter 2011) PC3-10600 204 pin 1333MHz SODIMM RAM (PARTS-QUICK BRAND) at Amazon.com
Adamanta 16GB (2x8GB) Memory Upgrade Compatible for Apple iMac, MacBook Pro, Mac Mini DDR3 1333Mhz PC3-10600 SODIMM 2Rx8 CL9 1.5v DRAM RAM at Amazon .com
4GB Memory Upgrade for MacBook Pro, iMac, and Mac mini
Amazon.com: Crucial RAM 16GB Kit (2x8GB) DDR3 1600 MHz CL11 Memory for Mac CT2K8G3S160BM : Everything Else