product taken directly from a working inpspiron 15 5100 The OEM Dell Inspiron 15 5100 Daughter Board IO Board is a replacement part specifically designed for the Dell Inspiron 15 5100 laptop. This unit, compatible with the Dell Inspiron model mentioned above, includes USB ports and other essential components for proper connectivity and functionality. As an original equipment manufacturer (OEM) product, it ensures quality and compatibility with the Dell brand, guaranteeing a seamless integration with your laptop for a reliable performance.