Amazon.com: OWC 4GB PC5300 DDR2 667MHz SO-DIMM Memory Compatible with MacBook (Late 2007/Early 2008), MacBook Pro (Mid/Late 2007, Early 2008), & iMac (Late 2007) Systems with Core 2 Duo Processor : Everything Else
4GB -2x2GB Memory Ram Upgrade Apple MacBook-4.1 Core2Duo 2.4GHz Early 2008 A1181 | eBay
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
6GB Memory for 2007-2008 MacBook Pro, MacBook, and iMac
MacBook Pro MB133LL A | Core 2 Duo 2.4 GHz | 15 Inch | Early 2008 - Techable
MacBook Pro: How to remove or install memory - Apple Support
A-Tech for Apple 6GB Kit (1x2GB + 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com
Dear Apple: Please use these ideas to modernize the Mac | Ars Technica
RAM upgrade and/or SSD drive – what's the benefit?
Timetec Hynix IC 4GB Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM Upgrade for Late 2008, Early/Mid/Late 2009, Mid 2010 MacBook, MacBook Pro, iMac, Mac Mini (4GB) - Walmart.com
MacBook Pro Memory Upgrade Kits (2008, 2009 and 2010)
4GB PC3-8500 RAM for Apple MacBook Pro Late 2008 - 15 Inch BTO/CTO Memory Upgrade