Part
04X3780
is utilised in the following Models:
4286CTO
ThinkPad X Series laptops ThinkPad X220 4286CTO
42902UM
ThinkPad X Series laptops ThinkPad X220 42902UM
42902XM
ThinkPad X Series laptops ThinkPad X220 42902XM
42904EM
ThinkPad X Series laptops ThinkPad X220 42904EM
4290CTO
ThinkPad X Series laptops ThinkPad X220 4290CTO
42912XM
ThinkPad X Series laptops ThinkPad X220 42912XM