60Y3757-06 Lenovo System Board (Motherboard) for ThinkPad T400 (Refurbished)
Lenovo 60Y3751 - Laptop Motherboard for ThinkPad T400
Source Laptop Mainboard for T410 T420 T430 T450 T460 T400 Notebook Motherboard Integrated System Board Fit for 04W0503 63Y1487 63Y1483 on m.alibaba.com