Dell G Series G15 5510 5511 5515 USB 2.0 Ports I/O Circuit Board PXVKJ RY7G0 is a replacement internal component designed to manage the USB 2.0 ports on Dell G15 gaming laptops. It ensures proper functionality of the USB 2.0 interface for connecting external devices like keyboards, mice, or storage devices. This I/O circuit board helps maintain the performance and connectivity of the laptop, making it essential for users needing to replace or repair their system's USB functionality.