This is a genuine Dell Precision 7720 Right-Side I/O Circuit Board, part number TYX7T, model AMA01. Designed specifically for the Precision 7720 mobile workstation, this OEM replacement board provides critical I/O functionality on the right-hand side of the laptop. It features two USB 3.0 ports and a 3.5 mm audio jack, enabling seamless connectivity for peripherals and audio devices. The board is black in color, compact, and fits internally within the chassis, connecting via flex cable (not included). It is ideal for repairing or restoring USB and audio functionality on systems where the original board has failed or been damaged.
This component has been tested and pulled from a working unit, ensuring it meets original Dell performance standards. Perfect for IT technicians, refurbishers, or DIY users working with the Precision 7720.