It typically consists of a combination of 10 to 15 alphanumeric characters (letters and numbers).
While rare for high-end laptops, counterfeit ASUS accessories (like power adapters or routers) exist. If you enter a serial number from a counterfeit product, the ASUS website will often return an error saying the product does not exist, or the model description will not match the item in your hand. asus serial number check