OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
MacBook Pro 15",Late-2008, 2.8 ghz Intel Core 2 Duo, 8gb Ram 750gb Hard Drive | eBay
APPLE MacBook Pro 15" Late 2008 2.4GHzCore 2 Duo 160GB 4GB RAM OSX El Capitan | eBay
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
Got My Late 2008 MacBook Pro Running macOS 12.5 Monterey : r/MacOS
Late 2008 Unibody aluminum MacBook runs High Sierra decently | MacRumors Forums
MacBook Pro | Core 2 Duo 2.6 GHz | 17 Inch | Early 2008 - Techable.com
A-Tech 16GB Kit (2x8GB) DDR3 1066MHz / 1067MHz PC3-8500 SODIMM RAM for Apple MacBook (13 inch, Mid 2010), MacBook Pro (13 inch, Mid 2010), iMac (27 inch, Late 2009), Mac Mini (Mid 2010) at Amazon.com
MacBook Pro 15",Late-2008, 2.8 ghz Intel Core 2 Duo, 8gb Ram 750gb Hard Drive | eBay
MacBook Pro 15-inch Late 2008 – Tech Specs, Release Date, and Price