Even after 12 years, my late 2008 MacBook Pro hasn't given up. Upgraded it to 8GB of ram, added an SSD, and patched it with MacOS Catalina. Still use it everyday. :
OWC 8GB RAM Kit (2x4GB) MacBook Pro Late 2008 - Mid 2010 - 4mac
RAM upgrade options for a first generation 15" MacBook Pro - Ask Different
MacBook Pro 2008 8GB RAM 250GB HDD | in Finchley, London | Gumtree
Laptop Apple MacBook Pro 13" (2017) Space Gray / i5 / RAM 8 GB / SSD Drive / 13,3)
Mid 2008 unibody MacBook with 8gb ram, 400gb SSD, and MacOS 10.15 Catalina. I used DosDude1's patcher tool. : r/mac
MacBook Pro 15" Unibody Late 2008 and Early 2009 RAM Replacement - iFixit Repair Guide
Macbook Pro 15" 512GB SSD 8GB RAM / 256MB Geforce (Late-2008) w/Catalina IOS | eBay
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
Apple MacBook Pro 2008-2010 8GB 2x4GB DDR3 1066MHz Memory
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
MAC BOOK EARLY 2009 | - Prices and Promotions - Oct 2021 | Shopee Malaysia
Late 2008 Macbook Pro Core 2 Duo 2.53 Ghz 8gb Ram 320gb HDD FAIR Condition | eBay
OWC 8GB (2x4GB) RAM Kit Mac Pro Early 2008 - 4mac
8GB -2x4GB Memory Ram Upgrade Apple MacBook-5.1 Core2Duo 2.0GHz Late 2008 A1278 | eBay
SHELI 4GB 8GB PC3L-8500s DDR3L 1066MHz Sodimm Unbuffered Laptop Memory RAM For MacBook Pro iMac GjMU ₱2,333
USED Apple MacBook Pro 2008 (A1297) 17" Intel 2.66GHz/ 8GB RAM/320HD (READ NOTE) | eBay
Sold: 15-inch MacBook Pro Late 2008 // $350 - Denver Mac Repair
How To Enable Support for 8GB RAM in Late 2008 MacBooks & MacBook Pros
High-quality unboxing photos: late 2008 15" MacBook Pro | AppleInsider
RAM upgrade and/or SSD drive – what's the benefit? | Computer Memory Blog – hints & tips, know-how, wiki, tutorials, troubleshooting, news, purchasing advices
A-Tech for Apple 8GB Kit (2X 4GB) DDR3 1067MHz / 1066MHz PC3-8500 SODI – DirectNine - Europe
Refurbished Apple MacBook Pro 8,1/i5-2415M/8GB RAM/500GB HDD/3000/13"/A (Early - 2011) - Mobilehotspot
