Amazon.com: Lenovo Thinkpad T420 Laptop - Intel i5 2520m 2.5GHz, 4GB DDR3,120GB SSD, Windows 7 Professional 64-Bit, WiFi (Prepared by ReCircuit)
How to Install an SSD in Lenovo Thinkpad (T410/T420/T430) - Kingston Technology - YouTube
Lenovo ThinkPad T420 14.0 Laptop, Intel Core I7-2620M up to 3.4Ghz, 8G DDR3, 240G SSD, DVDRW, DP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty Used Grade A - Walmart.com
Lenovo ThinkPad T420 14.0 Laptop, Intel Core I7-2620M up to 3.4Ghz, 8G DDR3, 240G SSD, DVDRW, DP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty Used Grade A - Walmart.com
Amazon.com: CMS 128GB mSATA 6GB/s Internal SSD Compatible with Lenovo ThinkPad T420 Series - C29 : Electronics
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
Thinkpad T420s SSD Clone & Upgrade - YouTube
Lenovo ThinkPad T420s Hard Disk Drive Replacement - iFixit Repair Guide