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. :
8GB 260-Pin DDR4 Sodimm for 320-15IKB Type 80XL008RAR RAM | Memory for Lenovo
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