550W EFFICIENT POWER SUPPLY The AURA GP550 is a non-modular power supply unit featuring high efficiency and a 120mm hydraulic bearing smart fan with automatic temperature control to achieve extremely stable performance. HIGH EFFICIENCY The AURA GP550 delivers watts at approximate 80% efficiency to reduce power waste and heat. SMART VENTILATION The power supply unit supports automatic fan speed optimization which adjusts the 120mm hydraulic bearing fan speed according to load. HEAVY-DUTY PROTECTION The power supply unit ensures stable output voltage and provides multiple protections against short circuits, overload, overheating, low voltage, etc.