Check the motherboard model printed on the board itself
Open your PC case and look near the CPU socket, RAM slots, or PCIe slots
Use System Information on Windows
Press Win + R, type msinfo32, and check BaseBoard Manufacturer, BaseBoard Product, and BaseBoard Version
Use Command Prompt on Windows
Run wmic baseboard get product,manufacturer,version,serialnumber
Use PowerShell on Windows
Run Get-CimInstance Win32_BaseBoard | Format-List Product,Manufacturer,Version,SerialNumber
Use a third-party tool like CPU-Z
Open the Mainboard tab in CPU-Z
Use a third-party tool like Speccy
Check the motherboard details in Speccy
On Linux, use the terminal
Run sudo dmidecode -t baseboard
On macOS, check system details for the model of the Mac instead of a separate motherboard
Check your PC or motherboard box, receipt, or manual
Check the BIOS or UEFI setup screen
Look for the motherboard model in the BIOS information page