Lenovo Thinkpad T420 14″ 2nd Gen Intel i5-2540m 320GB 4GB Windows 10 Pro Refurbished Laptop - Computers Frigiliana
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