Lenovo ThinkPad T420 Laptop- 128GB SSD, 4GB RAM, Intel i7 CPU, Windows – Buffalo Computer Parts
Used Lenovo Black ThinkPad T420 14'' PC Laptop Intel i5 Dual Core 2.5GHz 8GB RAM 750GB HDD Intel HD Graphics 4000 1600 x 900 Display Windows 10 Professional 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
Memory for a Lenovo - ThinkPad T420 - Kingston Technology
Lenovo ThinkPad T420 Business Laptop, Intel Core i7-2nd Gen. CPU, 8GB RAM, 256GB SSD, 14 Display, Windows 10 Pro, Refurbished Laptop
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