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Zalman ZM850-HP

Zalman ZM850-HP

850W ATX12W 2.2 Power Supply

ZM850-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).

Dual Heatpipes Installed for Maximum Cooling Performance and Ultra-Quiet Operation: Dual heatpipes with ultra-high cooling performance incorporated on the main heat sources enable high load operation even at low fan RPM for a dramatic reduction in noise levels.

Improved Power Factor & Reduced Harmonics through Active PFC: By implementing Active PFC(Power Factor Correction), the Power Factor (PF) is improved up to 99% while harmful harmonic frequencies are reduced to meet the Line Harmonic Distortion Requirement of IEC61000-3-2 Class D Specification. Zalman ZM850-HP
High Efficiency Design and 80 PLUS (*) Certified: This power supply is capable of reaching a maximum of 86% efficiency (230VAC, Full & Typical Load) through its use of high switching frequency and low power-loss circuitry. This product has been certified with the 80 PLUS Power Supply Certification and guarantees a higher efficiency compared to uncertified products.
(*) 80 PLUS is an innovative, electric utility-funded incentive program that strives to integrate more energyefficient power supplies into desktop computers and servers.

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 2 2 (4-Pin) power cables can be combined to form an EPS12V CPU 8-Pin power cable. Zalman ZM850-HP
Four PCI Express VGA Power 6-Pin & 6+2 Pin Connectors: Four independent 6-Pin Power Connectors (two 6-pin & two 6+2 pin) provide support for Nvidia's Quad SLI.

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

Ultra Quiet 140mm Fan: The ultra quiet 2 ball-bearing 140mm fan maximizes the airflow and minimizes the noise level enabling a noiseless computing environment with optimized cooling.

Standby Noise Filter Switch (**): The 5Vsb Noise Filter eliminates high frequency noise in standby mode.
(**) The Standby Noise Filter Switch is NOT a power switch. The AC Power Cord MUST be unplugged in order to turn the power supply OFF. Zalman ZM850-HP
Six Independent +12VDC Outputs: Six +12VDC rails supply power independently to the CPU, VGA, motherboard, and peripheral components for the highest level of stability and performance.

EZ Grip Connectors for ODDs & HDDs: EZ Grip Connectors for easy removal of the plugs from ODDs & HDDs.

Gold-Plated Terminals & 16AWG Wires: All connector terminals are gold-plated to minimize contact resistance and power lose. 16AWG (thicker than 18AWG) wires are incorporated to minimize voltage drop during high load operation.

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.

WEEE & RoHS: Complies with WEEE (Waste Electrical and Electronic Equipment) & RoHS (Restriction of Hazardous Substances) environmental directives of the European Union.

Electrical & Physical Characteristics:

AC Input Requirements
AC Input Range Voltage 100VAC ~ 240VAC ±10%
Frequency 47Hz~63Hz
AC Input Current (Rated) 115VAC 12A
230VAC 6.3A
PFC Type Active PFC
Power Factor 99% Maximum
Inrush Current Limit
(@ Cold start at 25°C)
115VAC 60A
230VAC 100A
Efficiency 86% Maximum @ 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
Combined Power
+3.3VDC 0.8A/25A/35A 191W
+5VDC 0.5A/30A/35A  
+12V1 0.5A/18A/22A  
+12V2 0.5/18A/22A  
+12V3 0.5A/28A/30A 768W
+12V4 0.5/28A/30A 850W
+12V5 0.5A/18A/22A  
+12V6 0.5/18A/22A  
-12VDC 0.0A/0.8A 27.1W
+5VSB 0.1A/3.5A/4A  

DC Output Ripple & Noise (at Full Load)
Vout Specification
+5VSB 50mV
+3.3VDC 50mV
+5VDC 50mV
+12V1 120mV
+12V2 120mV
+12V3 120mV
+12V4 120mV
+12V5 120mV
+12V6 120mV
-12VDC 120mV

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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