The other purpose of a CarFax is to validate or attempt to validate that the mileage reported is accurate or not. Is there an equivalent of mileage for a CPU or motherboard?
People aren't forging SMART drive diagnostics. These are <$100 components anyway.
BIOS on Panasonic Toughbooks reports total power-on hours. This is independent of the HDD/SSD’s SMART reported runtime.
You can view this as a normal user, but it can’t be reset by mortals.