Arch Memory 4GB 204-Pin DDR3 1333 MHz So-dimm RAM for Lenovo ThinkPad T410 2522-2AU at Amazon.com
Lenovo Thinkpad T410 Upgrades and Benchmarks 500GB ADATA SSD, 8GB DDR3, New Battery, and More - YouTube
A quick picture guide to upgrading the RAM on a Lenovo ThinkPad T430 : Global Nerdy
8GB (4GBx2) Team High Performance Memory RAM Upgrade For Lenovo ThinkPad T400 Series T410 Series Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com