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
1TB SSD upgrade for T420. : r/thinkpad
Adding an mSATA SSD to a Thinkpad T420
For Lenovo Thinkpad T420 T430 T510 T530 W700 Optibay Aluminum 2.5" Ssd Case Hdd Enclosure 2nd Hdd Caddy 12.7mm Sata 3.0 - Hdd & Ssd Enclosure - AliExpress