Lenovo SYSTEM BOARDS
5B21C40349
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X13 Yoga Gen 1 Laptop - 20SXCT01WW
ThinkPad X13 Yoga Gen 1 Laptop - 20SY1L500
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS02R00
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS09800
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS4CV0H