Refurbished: Lenovo ThinkPad T420 14" Notebook with Intel Core i5-2520M 2.50 GHz (3.20 GHz Turbo), 4 GB RAM, 320 GB HDD, DVD-ROM, Windows 7 Professional COA Only - Newegg.com
Lenovo ThinkPad T420 Review: Lenovo ThinkPad T420 review: A 14in business laptop with 2nd Gen Intel Core technology and great features - Notebooks - All Purpose - PC World Australia
Lenovo ThinkPad T420 - YouTube
IBM | Lenovo T420 Thinkpad LAPTOP COVER
Lenovo ThinkPad T420s Details, Specs and Photos
Lenovo T420 Windows 10 Drivers, Thinkpad T420 Laptop Upgrades