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
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Upgrading RAM on my Lenovo Thinkpad T410 – Luca Ferrari – Open Source advocate, human being
4GB RAM Memory for Lenovo ThinkPad T410 2516 Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-8500 1066MHz Upgrade System Specific Memory - Newegg.com