8GB (2X4GB) Memory for Mac Pro Early 2008 - BTO/CTO - MacPro 3.1 - A1186 , 2180 | eBay
MacBook Pro Memory Upgrade Kits (2008, 2009 and 2010)
Apple MacBook Pro with Retina Display (13-inch, 2013) review: Not a Retina MacBook Air, but awfully close - CNET
MacBook Pro MB166LL/A | Core 2 Duo 2.5 GHz | 17 Inch | Early 2008 - Techable
apple-history.com / MacBook Pro (15-inch, Late 2008)
Secret Apple update for MacBooks?
Timetec Hynix IC 8GB KIT(2x4GB) Compatible for Apple DDR3 1333MHz PC3-10600 for Early/Late 2011 13/15/17 inch MacBook Pro, Mid 2010 Mid/Late 2011 21.5/27 inch iMac, Mid 2011 Mac Mini Laptop Memory - Newegg.com
Apple MacBook (12-inch, 2015) review: A minimalist MacBook that proves less can be more - CNET
USED Apple MacBook Pro 2008 (A1297) 17" Intel 2.66GHz/ 8GB RAM/320HD (READ NOTE) | eBay
How to Upgrade MacBook Pro RAM, Late 2008, 15-Inch: EveryMac.com
MacBook Pro 15" Unibody Late 2008 and Early 2009 RAM Replacement - iFixit Repair Guide
Upgraded my early 2008 MacBook Pro : r/mac
A-Tech for Apple 8GB Kit (2X 4GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM MacBook, MacBook Pro, iMac, Mac Mini (Late 2008 Early/Mid/Late 2009 Mid 2010) Memory RAM at Amazon.com