63Y1725 - Lenovo 2-Slot DDR3 RAM (Motherboard) Intel Core i5-2540M CPU for ThinkPad T420 63Y1725 - Lenovo 2-Slot DDR3 RAM (Motherboard) Intel Core i5-2540M CPU for ThinkPad T420 $156.40
63Y1965 - Lenovo (Motherboard) for ThinkPad T420 63Y1965 - Lenovo (Motherboard) for ThinkPad T420 $121.34
63Y1812 - Lenovo (Motherboard) for ThinkPad T420 63Y1812 - Lenovo (Motherboard) for ThinkPad T420 $162.00
63Y1921 - Lenovo (Motherboard) for ThinkPad T420s 63Y1921 - Lenovo (Motherboard) for ThinkPad T420s $114.20
75Y4160 - Lenovo (Motherboard) Intel Core i5-540M CPU for ThinkPad T410s 75Y4160 - Lenovo (Motherboard) Intel Core i5-540M CPU for ThinkPad T410s $102.62
63Y1697 - Lenovo (Motherboard) for ThinkPad T420 / T420i 63Y1697 - Lenovo (Motherboard) for ThinkPad T420 / T420i $156.40