Dear Apple: Please use these ideas to modernize the Mac | Ars Technica
15-inch MacBook Pro Late 2008 Hard Drive/SSD Installation Video - YouTube
OWC 120GB Mercury Aura Pro MBA SSD f/MacBook Air 2008/2009 Edition OWCSSDAPMB120
How to Upgrade MacBook Air Hard Drive (Original/2008/2009): EveryMac.com
MacBook and MacBook Pro (Non-Retina) SSD Upgrade Kit
Amazon.com: HIGHFINE 2nd 2.5'' SATA HDD SSD Hard Drive Disk DVD CD ROM Optical SuperDrive Caddy Tray Adapter for Apple Unibody MacBook/MacBook Pro 13 15 17 Early mid Late 2008 2009 2010 2011 2012.etc : Electronics
Amazon.com: 2nd 2.5''HDD SSD Hard Drive Caddy Tray Replacement for Macbook Pro 13/15/17 inch A1278 A1286 A1297 2008 2009 2010 2011 2012 Internal Laptop CD/DVD-ROM Optical SuperDrive Adapter : Everything Else
Installing MacBook Pro 15" Unibody Late 2008 and Early 2009 Dual Hard Drive - iFixit Repair Guide
How to replace HDD/SSD in MacBook Late 2008 Aluminum | Mac Cheat Sheet
RAM upgrade and/or SSD drive – what's the benefit?
My Late 2008 MacBook running El Capitan 10.11.6 (could use a RAM upgrade to 8GB and the HDD upgrade to an SSD to make it swifter than it is currently). : r/macbook
OWC SSD Upgrade Kits For MacBook (2008 - 2009)
MacBook Pro 15" Unibody Late 2008 and Early 2009 Hard Drive Replacement - iFixit Repair Guide
JetDrive 520 | SSD Upgrade Kits for Mac - Transcend Information, Inc.
MacBook Pro 15" Unibody Late 2008 and Early 2009 Hard Drive Cable Replacement - iFixit Repair Guide
2008 MacBook Review: Better than a modern MacBook in many ways
MacBook late 2008 SSD Upgrade - YouTube
Sata Adapter For Lif -/zif Hard Drive+ssd For Macbook Air Late 2008 Mid 2009 A1304 - Pc Hardware Cables & Adapters - AliExpress
OWC SSD Upgrade Kits For Mac Pro 2008
OWC SSD Upgrade Kits For MacBook Pro (2008 - 2009)
OWC SSD Upgrade Kits For MacBook (2008 - 2009)
Installing MacBook Pro 15" Unibody Late 2008 and Early 2009 Dual Hard Drive - iFixit Repair Guide
Installing SSD (Solid State Drive) in Your MacBook Pro 13" or 15" Unibody : 24 Steps (with Pictures) - Instructables
HDD vs SSD in a Unibody Macbook Late 2008 - YouTube
Mid 2008 unibody MacBook with 8gb ram, 400gb SSD, and MacOS 10.15 Catalina. I used DosDude1's patcher tool. : r/mac