Lenovo ThinkPad T400 Intel Core2 Duo 2.4Ghz 2gb RAM 150gb 14.1" DVD Drive – ASA College: Florida
4GB (1X4GB) Memory Ram Compatible with Lenovo Thinkpad T400 2764 By CMS A34 - Computer Memory Solutions
Lenovo ThinkPad Laptop Computer T400 14" Dual Core 2.0GHz 8GB 500GB Windows 10-64 Pro WiFi
8GB KIT (2 x 4GB) for IBM Lenovo ThinkPad T Series T400 T400s T500. SO-DIMM DDR3 Non-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com