OWC 6GB (2GB + 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory RAM Upgrade Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, Mac Mini, 2009 iMac (OWC8566DDR3S6GP) at Amazon.com
USED APPLE MacBook Air 2009 (A1304) 13" Intel 2.13 GHz Core 2 Duo 2GB RAM 128SSD | eBay
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core 2 Duo 2.8 17" Mid-2009 - A35 at Amazon.com
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
Upgrading non-upgradable RAM inside a mid-2009 MacBook Air to a specification that Apple never sold. This little guy is now perfectly happy running in 4GB 1067MHz DDR3 RAM instead of a measly
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
15-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube