The BN44-01264A Power Board is a specialized component designed for Samsung QN77S90DAFXZA/QN77S90DDFXZA models. As a power supply board, it is essential for providing the necessary power and functionality to the television. With a unit quantity of 15, this product ensures a reliable and consistent performance for your Samsung television. Trust in the Samsung brand for quality and compatibility when it comes to maintaining your TV's power supply system.