Ramjet 8GB DDR3-1333 ECC DIMM PC3-10600 DDR3 1333Mhz Kit for Apple Mac Pro (2x 4GB) at Amazon.com
ADATA Premier DDR3 1333MHz 4GB Memory Modules (AD3U1333C4G9-R) at Amazon.com
A-Tech 4GB 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 Module at Amazon.com
DUOMEIQI 8GB Kit(2 X 4GB) Pc3-10600 1333Mhz ddr3 Sdram 2Rx8 Pc3 10600s Sodimm 204-Pin CL9 1.5V Pc3 10600 ddr3-1333 Pc3-10600S Non-Ecc Unbuffered for Laptop at Amazon.com