8GB G.Skill DDR3 PC3-10666 1333MHz Ripjaw Series CL9 (9-9-9-24) Dual Channel kit at Amazon.com
16GB 2X 8GB Memory for Dell Studio 15 (1569) DDR3 PC3-10600 1333MHz 204 pin SODIMM RAM (PARTS-QUICK BRAND) at Amazon.com
Top Tier PC3-12800 SO-DIMM - 8GB DDR3 1600MHz | Sweetwater
8GB (4x2GB) DDR3-1333MHz PC3-10600 Non-ECC UDIMM 2Rx8 Desktop Memory Module by NEMIX RAM at Amazon.com
A-Tech 8GB (2x4GB) RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010, Mid 2011, Late 2011), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com