OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com
Crucial 4GB Single DDR3 1066 MT/s (PC3-8500) CL7 SODIMM 204-Pin Notebook Memory Module CT51264BC1067 at Amazon.com
2GB DDR3 Memory Upgrade for HP Compaq Presario CQ62-a40SB PC3-8500 204 pin 1066MHz Laptop SODIMM RAM (PARTS-QUICK Brand) at Amazon.com