x250 BIOS update - says it now officially supports 16GB RAM - Thinkpads Forum
Thinkpad T440p Ultimate Buyer's Guide - OctoPerf
x230 memory upgrade? 4GB to 16GB What to get? - Thinkpads Forum
almost) complete T430 build. Classic keeb, B140HAN01.2 , 3610qm/16gb/120SSD+500HDD, oryginal 9-cell. for the price I paid for everything you can't go better than this. : r/thinkpad
ThinkPad W series - Wikipedia
Lenovo ThinkPad T410 Refurbished Laptop on Sale | Canada | Free Shipping – Refurbish Canada
ThinkPad T410 works fine with 4Gb RAM, freezes with 8Gb - Super User
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Compatible with Lenovo Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com
A quick picture guide to upgrading the RAM on a Lenovo ThinkPad T430 : Global Nerdy