Lenovo SYSTEM BOARDS
5B21D53597
is compatible in the following Models:
Lenovo ThinkPad P Series laptops
ThinkPad P1 Gen 4 (20Y3, 20Y4 ) Laptop - 20Y30019UK
ThinkPad P1 Gen 4 (20Y3, 20Y4 ) Laptop - 20Y3002VAU
ThinkPad P1 Gen 4 (20Y3, 20Y4 ) Laptop - 20Y3CTO1WW
ThinkPad P1 Gen 4 (20Y3, 20Y4 ) Laptop - 20Y3S0K900
ThinkPad P1 Gen 4 (20Y3, 20Y4 ) Laptop - 20Y4S0PP00
ThinkPad P1 Gen 4 (20Y3, 20Y4 ) Laptop - 20Y4S12400
ThinkPad P1 Gen 4 (20Y3, 20Y4 ) Laptop - 20Y4S1RQ00
ThinkPad P1 Gen 4 (20Y3, 20Y4 ) Laptop - 20Y4S28H00