45N0118 - IBM - 170Watt AC Adapter for ThinkPad W520/W530 45N0118 - IBM - 170Watt AC Adapter for ThinkPad W520/W530 $117.09 $99.23
45N0117 - Lenovo - 170W ThinkPad AC Adapter for W520 45N0117 - Lenovo - 170W ThinkPad AC Adapter for W520 $157.52 $133.49
0A36227 - Lenovo - 170-Watts AC Adapter for ThinkPad W520 0A36227 - Lenovo - 170-Watts AC Adapter for ThinkPad W520 $113.00 $95.76
04W2029 - IBM - System Board (Motherboard) for ThinkPad W520 04W2029 - IBM - System Board (Motherboard) for ThinkPad W520 $259.87 $220.23
04W2028 - IBM - System Board (Motherboard) for ThinkPad W520 04W2028 - IBM - System Board (Motherboard) for ThinkPad W520 $372.48 $315.66