Refurbed this T420 for a local DJ, 16GB+512GB SSD and a fresh copy of Windows 11. Good to go for another 10 years! : r/thinkpad
How to install an mSATA hard drive/SSD in a Thinkpad T420 - YouTube
256GB mSATA SSD SATA III 6Gb/s For ThinkPad X220 X230 T420 T430 T430S X1 W520 | eBay
CMS 128GB mSATA 6GB/s Internal SSD Compatible with Lenovo ThinkPad T420 Series - C29 - Walmart.com
NEW 512gb Msata Internal SSD SATA III For Lenovo ThinkPad T420 T430 T440 Laptop | eBay
NEW 512gb Msata Internal SSD SATA III For Lenovo ThinkPad T420 T430 T440 Laptop | eBay
Amazon.com: SSD mSATA 500GB Dogfish Internal Solid State Drive High Performance Hard Drive for Desktop Laptop SATA III 6Gb/s Includes SSD 32GB 60GB 64GB 120GB 128GB 240GB 250GB 480GB 500GB 1TB (500GB
NEW 1TB mSATA SSD SATA III 6Gb/s For ThinkPad X220 X230 T420 T430 T430S X1 W520 | eBay
MSata SSD in Lenovo T420 with 12gb Ram and two more hard drives - YouTube
Fortysomething Geek: ESXi 5 Server on a Thinkpad T420
Notebooks - What's this slot on T420 | bit-tech.net Forums
Amazon.com: CMS 128GB mSATA 6GB/s Internal SSD Compatible with Lenovo ThinkPad T420 Series - C29 : Electronics