NeweggBusiness - Lenovo Thinkpad T420 - i7-2620M 2.7GHz - 8gb RAM - 160gb SSD - 14" Screen - Windows 7 Pro 64 - REFURBISHED - 1 YEAR WARRANTY
Lenovo ThinkPad T420 Laptop Review | Laptop Mag
Lenovo Thinkpad T420 Series - Notebookcheck.net External Reviews
A quick picture guide to upgrading the RAM on a Lenovo ThinkPad T430 : Global Nerdy
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