39T5505 - IBM / Lenovo (Motherboard) for ThinkPad R51 39T5505 - IBM / Lenovo (Motherboard) for ThinkPad R51 $295.72
39T5504 - IBM Lenovo (Motherboard) for ThinkPad R51 Series 39T5504 - IBM Lenovo (Motherboard) for ThinkPad R51 Series $121.34
93P4201 - IBM / Lenovo (Motherboard) for ThinkPad R50 / R51 93P4201 - IBM / Lenovo (Motherboard) for ThinkPad R50 / R51 $154.15
63Y1537 - IBM / Lenovo (Motherboard) for ThinkPad T510 63Y1537 - IBM / Lenovo (Motherboard) for ThinkPad T510 $214.96