Amazon.com: OWC 8GB PC8500 DDR3 1066MHz SO-DIMM Memory Compatible with Mac Mini 2010, MacBook 2010, MacBook Pro 13" 2010 with OS X 10.7.5 or Later : Everything Else
4GB DDR3 PC3-8500S SODIMM RAM 1066/1067MHz For Apple PC3-8500S 0x80ce 1066MHz | eBay
8GB (1x8GB) DDR3-1066MHZ PC3-8500 2Rx8 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Rasalas PC3-8500 8GB Kit (2x4GB) DDR3 1066MHz Sodimm 2RX8 DDR3 1066 MHz 1067MHz PC3-8500S 1.5V CL7 Laptop RAM Memory for iMac Inter Mould at Amazon.com