Lenovo HARD DRIVES
04W4194
is compatible in the following Models:
Lenovo ThinkPad Edge laptops
ThinkPad Edge E420 - 1141BYM
ThinkPad Edge E420 - 1141C3M
ThinkPad Edge E420 - 1141CTO
ThinkPad Edge E520 - 1143AXM
ThinkPad Edge E520 - 1143CTO