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Zalman 500-HP

Zalman ZM500-HP

500W ATX12V 2.2 Power Supply

ZM500-HP is an ultra-quiet power supply that complies with ATX12V Version 2.2, and supports the latest dual-core CPUs (Intel Core2 series/AMD Athlon64-X2 series), as well as the latest dual graphic card systems (NVIDIA SLI-Ready Certified).

Heatpipe Installed for Maximum Cooling Performance and Ultra-Quiet Operation: A heatpipe with ultra-high cooling performance incorporated on the power supply's main rectifiers enables high load operation even at low RPM for a dramatic reduction in noise levels. Zalman 500-HP
Improved Power Factor & Reduced Harmonics through Active PFC: By implementing Active PFC (Power Factor Correction), the Power Factor (PF) is improved from 75% (Passive PFC) up to 99% while harmful harmonic frequencies are reduced to meet the line harmonic distortion requirements of IEC61000-3-2 Class D.

High Efficiency Design: This power supply is capable of reaching a maximum of 81% efficiency (230VAC, Full & Typical Load) through its use of high switching frequency and low power-loss circuitry.

ATX20+4 Pin Main Connector: ATX20+4 pin main connector broadens the range of motherboard compatibility.

Supports ATX12V CPU 4-Pin and EPS12V CPU 8-Pin: Two ATX12V CPU 2x2 (4-Pin) power cables can be combined to form an EPS12V CPU 8-Pin power cable. Zalman 500-HP
Dual PCI Express VGA Power 6-Pin Connector: Support for Nvidia SLi dual graphic card systems.

Module Cables: Modular cables provide organized cable management and improved air circulation inside the computer case.

Ultra Quiet 120mm Fan: Ultra quiet 2-Ball Bearing 120mm fan maximizes the airflow and minimizes the noise level enabling a noiseless computing environment with optimized cooling.

Two Independent +12VDC Outputs: Two +12VDC rails supply power independently to the CPU, VGA, motherboard, and peripheral components for the highest level of stability and performance. Zalman 500-HP
EZ Grip Connectors for ODDs & HDDs: EZ Grip Connectors for easy removal of the plugs from ODDs and HDDs.

Gold-Plated Terminals: Gold-plated the terminals minimize power loss by reducing contact resistance.

Sleeved Cables: All power cables are sleeved for easy cable management and improved air circulation inside the computer case.

Multiple Safety Features: Over-Voltage Protection, Over-Current Protection, Short-Circuit Protection, Under-Voltage Protection, Over-Temperature Protection.

Internal Blue LED: Blue LEDs are installed inside the power supply for cool aesthetics.

WEEE & RoHS: Complies to WEEE (Waste Electrical and Electronic Equipment) & RoHS (Restriction of Hazardous Substances) Environmental Directives of Europe.

Electrical & Physical Characteristics:

AC Input Requirements
AC Input Range Voltage 100VAC ~ 240VAC ±10%
Frequency 47Hz~63Hz
AC Input Current (Rated) 115VAC 10A
230VAC 5A
PFC Type Active PFC
Power Factor 99% Maximum
Inrush Current Limit
(@ Cold start at 25°C)
115VAC 60A
230VAC 100A
Efficiency 81% minimum @ 230VAC (Full & Typical Load)

DC Output Voltage Regulations (at Full Load)
Vout Regulation Range
+5VSB ±5% +4.75V ~ +5.25V
+3.3VDC ±5% +3.14V ~ +3.47V
+5VDC ±5% +4.75V ~ +5.25V
+12VDC ±5% +11.4V ~ +12.6V
-12VDC ±10% -10.8V ~ -13.0V

DC Output Load Capacity
Vout Output Load Rating
Imin/Imax(/Ipeak)
Combined Power
+3.3VDC 0.8A/24A 140W
+5VDC 0.5A/24A  
+12V1 1.0A/25A 432W
+12V2 1.0A/18A 500W
-12VDC 0.0A/0.5A 18.5W
+5VSB 0.1A/2.5A/3.5A  

DC Output Ripple & Noise (at Full Load)
Vout Specification
+5VSB 100mV
+3.3VDC 100mV
+5VDC 100mV
+12V1 200mV
+12V2 200mV
-12VDC 200mV

System Protections & Safety
Protections Over-Voltage Protection (OVP), Over-Current Protection (OCP), Over-Temperature Protection (OTP), Under-Voltage Protection (UVP), Short Circuit Protection (SCP)


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