Lenovo SYSTEM BOARDS
5B21B33969
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X1 Nano Gen 1 (20UN 20UQ) Laptop - 20UN007NUS
ThinkPad X1 Nano Gen 1 (20UN 20UQ) Laptop - 20UNCTO1WW
ThinkPad X1 Nano Gen 1 (20UN 20UQ) Laptop - 20UNCTO1WWENAU2
ThinkPad X1 Nano Gen 1 (20UN 20UQ) Laptop - 20UNCTO1WWENAU3
ThinkPad X1 Nano Gen 1 (20UN 20UQ) Laptop - 20UNS04U00
ThinkPad X1 Nano Gen 1 (20UN 20UQ) Laptop - 20UQS0AD00
ThinkPad X1 Nano Gen 1 (20UN 20UQ) Laptop - 20UQS0ET21
ThinkPad X1 Nano Gen 1 (20UN 20UQ) Laptop - 20UQS22320