Lenovo SYSTEM BOARDS
04W0724
is compatible in the following Models:
Lenovo ThinkPad Edge laptops
ThinkPad Edge E520 - 114337G
ThinkPad Edge E520 - 114355M
ThinkPad Edge E520 - 114356M
ThinkPad Edge E520 - 1143CTO
ThinkPad Edge E520 - 1143RK8
ThinkPad Edge E520 - 1143RU4