Amazon.com: Lenovo Thinkpad T420 - Intel Core i5 2520M 8GB 320GB Windows 10 Professional (Renewed) : Electronics
Laptop Factory - Like New Lenovo ThinkPad T420! Core i5, 4gb ram! No Defects, No issues. P16,000 only! Last Price. Cash only, we do not accept credit card. Specs: Model T420 ThnikPad
CMS 16GB (2X8GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 - Newegg.com