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
CMS 4GB (1X4GB) DDR3 8500 1066MHZ NON ECC SODIMM Memory Ram Compatible with Dell Latitude E6410, E6410 Atg Notebook - A32 - Walmart.com
Axiom 4GB Low Power DDR3-1066 ECC RDIMM for HP # 500660-B214GB (1 x 4GB) 1066MHz DDR3-1066/PC3-8500ECCDDR3 SDRAM240-pin DIMM 500660-B21-AX - Corporate Armor