4GB DDR3 PC3-8500S SODIMM RAM 1066/1067MHz For Apple PC3-8500S 0x80ce 1066MHz | eBay
OWC 4GB PC8500 DDR3 1066MHz SO-DIMM Memory Compatible with Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, and 2009 iMac Models at Amazon.com
Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 RAM for Mac Book (Mid 2010 13-inch), Mac Book Pro (Mid 2010 13-inch), iMac (Late 2009 27-inch), Mac Mini (Mid 2010)
HP 128GB (8 x 16GB) DDR3-1066 MHz PC3-8500R ECC– Cloud Ninjas