Which statement describes the purpose of an I/O connector plate?
                        
        
            
            
                - It provides multiple connections for SATA hard drives to connect to the motherboard.
 - It connects the PCIe adapter slots used for video directly to the CPU for faster processing.
 - It plugs into the motherboard and expands the number of available slots for adapter cards.
 - It makes the I/O ports of the motherboard available for connection in a variety of computer cases.