The product is a power supply unit specifically designed for the Samsung QE55Q9FNAT 55" QLED TV. This BN44-00938A L55S9NBQ_NHS unit is a genuine Samsung product, ensuring compatibility and quality performance. As a power supply board, it provides the necessary power and connections for the TV to function properly, making it an essential component for maintaining the overall functionality of the television. Perfect for those looking to repair or replace a faulty power supply unit in their Samsung TV.