250W Switch Power Supply for HU250AD-00 / H250AD-00 / L250ED-00 / D250AD-00 / L250NS-00 / L250PS-00 — For 990 790 390

Replacement 250W switch power supply compatible with HU250AD-00, H250AD-00, L250ED-00, D250AD-00, L250NS-00 and L250PS-00. Designed for use in systems/models 990, 790 and 390, this unit delivers the specified 250W output to restore power functionality. Direct-fit swap to replace a faulty or worn OEM power supply while maintaining original specifications.