MacBook Pro 15" Core 2 Duo Models A1226 and A1260 RAM Replacement - iFixit Repair Guide
4GB Memory for Apple MacBook and MacBook Pro Mid/Late 2007 Early 2008 Ram A1226 A1229 A1181 MA897LL/A MA896LL MA895LL MC240LL/A MB881LL/A MB404LL/A MB403LL/A MB402LL/A MB063LL/B MB062LL/B MB061LL/B at Amazon.com
Apple MacBook Pro 15" 2007 A1226 2.2ghz Core 2 Duo 2gb RAM 160gb HDD El Capitan for sale online | eBay
MacBook Pro 15" Core 2 Duo Models A1226 & A1260 - iFixit