memory - Lenovo Thinkpad 400 beeps after installing 2x4GB RAM - Super User
T430-no-sign-of-power-after-RAM-upgrade-8GB-16GB - English Community - LENOVO COMMUNITY
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