You're not the only one asking
How to Check What Motherboard You Have – 4 Easy Methods!
Checking your computer’s system specifications is a fairly simple task. It doesn’t take much more than a few clicks to find most of the information you’re looking for. Unfortunately, the motherboard can be a bit trickier.
If you've ever asked yourself the question, "What motherboard do I have?", rest assured that you're not alone. Many people have trouble finding the information on their computer's motherboard for a variety of reasons.
You can also run the Win+R command.