Lenovo Part
5M21J12681
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X1 Carbon 12th Gen (21KC, 21KD) Laptop - 21KCX000R2
ThinkPad X1 2 in 1 Gen 9 (Type 21KE, 21KF) Laptop - 21KE001
ThinkPad X1 2 in 1 Gen 9 (Type 21KE, 21KF) Laptop - 21KECTO1WW
ThinkPad X1 2 in 1 Gen 9 (Type 21KE, 21KF) Laptop - 21KEXA0500
ThinkPad X1 Carbon 13th Gen (21NS, 21NT) Laptop - 21NSCTO1WW
ThinkPad X1 2-in-1 Gen 10 (Type 21NU, 21NV) Laptop - 21NUCTO1WW