Lenovo SYSTEM BOARDS
5B21K90420
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X1 Carbon 10th Gen (21CB 21CC) Laptop - 21CBCT01WW
ThinkPad X1 Carbon 10th Gen (21CB 21CC) Laptop - 21CBCTO1WWAU6
ThinkPad X1 Carbon 10th Gen (21CB 21CC) Laptop - 21CBCTO1WWAU8
ThinkPad X1 Carbon 10th Gen (21CB 21CC) Laptop - 21CBCTO1WWAU9
ThinkPad X1 Carbon 10th Gen (21CB 21CC) Laptop - 21CBCTO1WWUS1
ThinkPad X1 Carbon 10th Gen (21CB 21CC) Laptop - 21CCS2XJ19
ThinkPad X1 Carbon 10th Gen (21CB 21CC) Laptop - 21CCS5N301
ThinkPad X1 Yoga 7th Gen (21CD, 21CE) Laptop - 21CDCT01WW
ThinkPad X1 Yoga 7th Gen (21CD, 21CE) Laptop - 21CDS0AQ00
ThinkPad X1 Yoga 7th Gen (21CD, 21CE) Laptop - 21CES04LY00
ThinkPad X1 Yoga 7th Gen (21CD, 21CE) Laptop - 21CES1MY03