Lenovo ThinkPad T420 14.1 Inch Laptop i5 2.50 GHz 8GB 128 GB HDD Windows 10 Pro (Used) - Walmart.com
Lenovo ThinkPad T420 14.0" Black Used Laptop - Intel Core i5 2520M 2nd Gen 2.5 GHz 4GB SODIMM DDR3 SATA 2.5" 500GB HDD DVD-Combo Windows 10 Home 64-Bit - Walmart.com
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com
4GB Upgrade for a Lenovo ThinkPad T420 System (DDR3 PC3-12800, Non-ECC, )
Used Lenovo ThinkPad T420 i7 2.8GHz 4GB 500GB DRW Windows 10 Pro 64 Laptop CAM - Walmart.com
Used Lenovo Thinkpad in Black T420 HD 14" Intel Core i5 2520M (2.5GHz-3.2GHz) 4GB Memory 320GB Hard Drive Webcam Bluetooth DVD-RW Windows 10 Professional Laptop - Walmart.com
Refurbished: Lenovo ThinkPad T420 14" LED Notebook Core i7 2.8 4GB DDR3 RAM 320GB HD DVD-RW Webcam Windows 7 Professional 64 Bit - Newegg.com