Lenovo SYSTEM BOARDS
5B21C69303
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
X1 Carbon 8th Gen - (Type 20U9, 20UA) Laptop (ThinkPad) - 20U9CTO1WW
X1 Yoga 5th Gen (Type 20UB 20UC) Laptop (ThinkPad) - 20UB20UC
X1 Yoga 5th Gen (Type 20UB 20UC) Laptop (ThinkPad) - 20UBCT01WW
X1 Yoga 5th Gen (Type 20UB 20UC) Laptop (ThinkPad) - 20UBCTO1WW
X1 Yoga 5th Gen (Type 20UB 20UC) Laptop (ThinkPad) - 20UCCS48400