Adamanta 8GB (1x8GB) DDR3 1333Mhz PC3-10600 SODIMM 2Rx8 CL9 1.5v Notebook Laptop Memory Upgrade RAM DRAM at Amazon.com
Kingston ValueRAM 8GB 1333MHz DDR3 Non-ECC CL9 SODIMM (Kit of 2) Notebook Memory 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