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The ZM550 550W Gold Rock Power Supply from Zalman USA is an 80 PLUS Gold certified power supply that uses high quality components for stable performance and power efficiency. This 550W power supply comes with a modular cable design to reduce cable clutter, and a smart fan control system that delivers silent cooling so that the entire computer and power supply can operate efficiently.
High quality, made in Japan 221°F solid capacitor guarantees stability at high temperatures, frequencies, and currents
Powerful and highly reliable DC-DC module, full bridge and LLC resonant circuits applied
Supports dual (2-way) NVIDIA SLI and AMD CrossFireX
Built-in Active PFC circuit provides high power factor and efficiency
Built-in circuits protect against voltage surges, current surges, power surges, low tension, short circuiting, and overheating
Organized DC output modular cables help to increase airflow inside the case
Smart Fan control system optimizes thermal control, while minimizing noise levels
In the Box
ZALMAN USA ZM550 550W Gold Rock Modular Power Supply
AC Power Cord
Limited 3-Year Warranty
Table of Contents
AC Input Range
Voltage: 100 to 240 VAC Frequency: 50 to 60 Hz
AC Input Current (Rated)
100.0 VAC: 7.0 A 240.0 VAC: 3.5 A
Inrush Current Limit
Cold start at 77°F (25°C) 115 VAC: Maximum 150 A 230 VAC: Maximum 200A
Maximum 92% at 230 VAC, typical load
DC Output Voltage
Vout: Regulation range +3.3 VDC: ±5% +3.14 to +3.47 V +5 VDC: ±5% +4.75 to +5.25 V +12 VDC: ±5% +11.4 to +12.6 V -12 VDC: ±10% -10.8 to -13.0 V +5 VSB: ±5% +4.75 to +5.25 V