Refurbished: Lenovo ThinkPad T420 14.1" Windows 7 Professional 64-Bit Notebook - Newegg.com
Arch Memory 4GB 204-Pin DDR3 1333 MHz So-dimm RAM for Lenovo ThinkPad T420 4180-MNU at Amazon.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
Memoria Lenovo ThinkPad T420 - BB Baterias
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
8GB 260-Pin DDR4 Sodimm for 320-15IKB Type 80XL008RAR RAM | Memory for Lenovo
Amazon.com: Memoria RAM SODIMM de 8 GB para Lenovo ThinkPad T420s DDR3 PC3-10600 1333 MHz (marca ARTS-QUICK) : Electrónica
Amazon.com: Kit de 16 GB (2 x 8 GB) para IBM Lenovo ThinkPad T Series T420 T420i T420s T520 T520i. Memoria RAM SO-DIMM DDR3 no ECC PC3-10600 1333 MHz. Marca A-Tech original. :