4GB Team High Performance Memory RAM Upgrade Single Stick For Lenovo ThinkPad T400 Series T410 Series Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
Lenovo THINKPAD T400 Win 10 Pro 4GB 120GB Notebook 14 " Keyboard Ita Dvd-Rw Wifi | eBay
My ThinkPad T400 - I've been carrying this thing to school for now. : r/ thinkpad
Lenovo Laptop ThinkPad T400 Notebook - Core 2 Duo 2.40GHz - 4GB DDR3 - 160GB - DVDRW - Windows 7 Pro 64bit - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
Amazon.com: Laptop Battery for IBM/Lenovo ThinkPad R61 R61i T61 T61p T61u T400 R400 Series (ONLY for 14.1-inch Widescreen), fits 42T4644 42T4645 42T4677 42T4678 42T4743 42T4745 42T4771 42T5262 42T5264 : Electronics