Amazon.com: Lenovo Thinkpad T420 - Intel Core i5 2520M 8GB 320GB Windows 10 Professional (Renewed) : Electronics
Refurbished: Lenovo ThinkPad T420 14" LED Notebook Laptop Dual Core i7 2.8GHz 8GB DDR3 RAM 1TB HD DVD±RW Webcam Microsoft Windows 7 Professional 64-Bit - Newegg.com
8GB Stick for IBM Lenovo ThinkPad T Series T420 T420i T420s T520 T520i. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
Used LENOVO Thinkpad T420 Laptop B Grade Intel i5 Dual Core Gen 2 8GB RAM 320GB SATA Windows 10 Home 64 Bit - Walmart.com