SSD Upgrade for Lenovo ThinkPad T420s 256GB/512GB/1TB/2TB | eBay
Adding an mSATA SSD to a Thinkpad T420
Dell T420 can install SATA SSD ? : r/homelab
Lenovo ThinkPad T420 14.0" Black USED Laptop - Intel Core i5 2540M 2nd Gen 2.6 GHz 8GB SODIMM DDR3 SATA 2.5" 256GB SSD DVD-RW Windows 10 Pro 64-Bit - Walmart.com
SSD Upgrade for Lenovo ThinkPad T420 256GB/512GB/1TB/2TB | eBay
SSD Upgrade for Lenovo ThinkPad T420s 256GB/512GB/1TB/2TB | eBay
12.7mm 2nd SATA HDD SSD Hard Drive Bay Caddy for Lenovo Thinkpad T420 T430 W530 T530 _ - AliExpress Mobile
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
Amazon.com: New 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T510I T520 T520I T530 T530I T530U W510 W520 W530 W700 W701 R400 R500 12.7mm high with Matched Faceplate/Bezel :