Lenovo ThinkPad R400 14" Laptop For Parts NO Keyboard/Touchpad/HDD/RAM/Batt. JR | eBay
4GB Team High Performance Memory RAM Upgrade Single Stick For Lenovo ThinkPad R400 Series R500 Series L aptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
Lenovo ThinkPad Laptop R400 14.1" Windows 10 4GB RAM 320GB HDD DVD WIFI C2D