Amazon.com: New Notebook Replacement Keyboard for Lenovo IBM Thinkpad T410 T420 X220 T510 T510i T520 T520i W510 W520 Series US Layout 42T3704 42T3737 5A702X MP-89US MP-07B83US-387 Black X220 : Electronics
Certified Used Lenovo Thinkpad T420 Intel i5-2520M 2.50GHz 8GB RAM 128GB SSD Win 10 Home Webcam - Walmart.com
Lars' Electric Endeavors - Lenovo Thinkpad T420s after 5 years of use