16GB KIT (2 x 8GB) 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
Lenovo ThinkPad T420 i5 2.5GHz 8GB RAM 120GB Solid State Hard Drive 14" HD LCD Windows 10 Grade A Used - Walmart.com
Help, what should I price my T420 at? Very good condition, i5 2540M, 8gb ram, Quadro NVS 4200M, new 256gb ssd, 1600x900 display, Windows 10. : r/thinkpad
OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com
Lenovo ThinkPad T420 - 14" Core i3 2350M, 4 GB RAM No HDD No OS | eBay
4GB (1X4GB) Memory Ram Compatible with Lenovo Thinkpad T420 4180 Series By CMS A30 - Computer Memory Solutions