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
04W2002 - Lenovo for ThinkPad T420s 2.50GHz W Intel Core i5-2520 CPU 04W2002 - Lenovo for ThinkPad T420s 2.50GHz W Intel Core i5-2520 CPU $156.40
63Y1737 - Lenovo ThinkPad T420 (Motherboard) Intel Core i5-2520swg Y amt tpm 63Y1737 - Lenovo ThinkPad T420 (Motherboard) Intel Core i5-2520swg Y amt tpm $79.60
63Y1812 - Lenovo (Motherboard) for ThinkPad T420 63Y1812 - Lenovo (Motherboard) for ThinkPad T420 $162.00
63Y171B - Lenovo (Motherboard) for ThinkPad T420s 63Y171B - Lenovo (Motherboard) for ThinkPad T420s $98.27
75Y4160 - Lenovo (Motherboard) Intel Core i5-540M CPU for ThinkPad T410s 75Y4160 - Lenovo (Motherboard) Intel Core i5-540M CPU for ThinkPad T410s $102.62