Lenovo SYSTEM BOARDS
5B21C40417
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 - 20SYS05B00
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS05B07
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS0XR1N
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS2AQ03
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS2HT01
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS31B00
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS4CC0H
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS4CV0H
ThinkPad X13 Yoga Gen 1 Laptop - 20SYS4JN0R