2GB Apple MacBook Pro (15/17-inch Early 2008/Penryn) DDR2 Laptop Memory RAM | eBay
MacBook Pro: How to remove or install memory - Apple Support
MACBOOK PRO Early 2008 2.4 GHz Core 2 Duo 6gb Ram | eBay
MacBook Pro 15" Unibody Late 2008 and Early 2009 RAM Replacement - iFixit Repair Guide
Apple's unibody MacBook Pro: an in-depth review with video | AppleInsider
A-Tech for Apple 1GB Module PC2-5300 MacBook Pro MacBook Late 2007 Early 2009 Early 2008 MB061LL/B A1181 MB062LL/B MB063LL/B MB402LL/A MB403LL/A MB404LL/A MB881LL/A MA895LL A1226 MA896LL Memory RAM at Amazon.com
A-Tech 4GB PC3-8500 DDR3 1066/1067 MHz RAM for MacBook, MacBook Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) | 204-Pin SODIMM Memory Upgrade Module at Amazon.com
MacBook Pro: How to remove or install memory - Apple Support
How to Upgrade Mac Pro Memory (Early 2008/MacPro3,1): EveryMac.com
Used Apple Macbook Pro 2008 (A1278) 13" Intel 2.4GHz Core 2 Duo 4GB RAM 250 GB | eBay
MacBook Pro 15" Unibody Late 2008 and Early 2009 RAM Replacement - iFixit Repair Guide
RAM upgrade and/or SSD drive – what's the benefit?
How to install RAM in a new MacBook (Late 2008) - YouTube
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
Mac Book Pro (Early 2008) RAM Upgrade - YouTube
4GB 2X2GB Apple MacBook Pro Late 2008-2010 Memory
MacBook Pro Memory Upgrade Kits (2008, 2009 and 2010)