Lenovo SYSTEM BOARDS
5B21J39018
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X13 Yoga Gen 3 (21AW, 21AX) Laptop - 21AWCTO1WW
ThinkPad X13 Yoga Gen 3 (21AW, 21AX) Laptop - 21AXSOOLOO