Amazon.com: Bfenown 2nd HDD SSD Hard Drive Caddy Tray Replacement for Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530, Internal Laptop CD DVD ROM Optical Modular Bay to 2.5 Inch
Lenovo ThinkPad T420 Upgrade Project | by HoshinoArika | Medium
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
MSata SSD in Lenovo T420 with 12gb Ram and two more hard drives - YouTube
SSD Upgrade for Lenovo ThinkPad T420 256GB/512GB/1TB/2TB | eBay
Lenovo T420 Windows 10 Drivers, Thinkpad T420 Laptop Upgrades