39T5504 - IBM - System Board (Motherboard) for ThinkPad R51 Series 39T5504 - IBM - System Board (Motherboard) for ThinkPad R51 Series $199.44 $169.02
93P4258 - IBM - System Board (Motherboard) for ThinkPad R51 93P4258 - IBM - System Board (Motherboard) for ThinkPad R51 $150.11 $127.21
39T5510 - IBM - System Board (Motherboard) for ThinkPad R51 39T5510 - IBM - System Board (Motherboard) for ThinkPad R51 $180.26 $152.76
93P3781 - IBM - System Board (Motherboard) for ThinkPad R51 93P3781 - IBM - System Board (Motherboard) for ThinkPad R51 $325.31 $275.69
93P3778 - IBM - System Board (Motherboard) for ThinkPad R51 93P3778 - IBM - System Board (Motherboard) for ThinkPad R51 $104.70 $88.73
93P4201 - IBM - System Board (Motherboard) for ThinkPad R50 / R51 93P4201 - IBM - System Board (Motherboard) for ThinkPad R50 / R51 $235.37 $199.47