HP M47401-601 is a system board for laptop repair or replacement. It combines the motherboard with an integrated AMD Ryzen 3 5400U processor, in the Windows operating system configuration identified by HP’s part numbering.
The listing names the HP ProBook 445 G8, ProBook 455 G8 and ProBook 440 G8 as compatible models. This makes the board relevant when servicing one of these laptops that requires this specific part number and processor configuration.