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
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. :
OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com