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Características All Zalman Tech products are ultra-quiet in order to achieve enhanced computing environment. This product is an ultra-quiet ATX Ver2.03 / ATX12V Ver2.2 power supply supporting the latest Dual-Core 64 bit Intel Pentium D & AMD Athlon64 X2 CPU-equipped systems.  CNPS (Computer Noise Prevention System) with Auto Control Cooling Fan Noise has been greatly reduced with the implementation of the heat-sensor circuitry, which is in control of the cooling fan¡¯s speed (rpm) in relation to the temperature, inside the power supply. The graph below shows the CNPS characteristics of our product. ¡Ø CNPS (Computer Noise Prevention System) refers to a system that reduces a conventional computer¡¯s noise (30dB or more) to an inaudible level (20dB or less). In order to create a true noise-free computer, Zalman¡¯s other noise-free products should be used together with this product. [Noise Level (dB) Changes In relations to Power Supply's Internal Temperature]  The graph above shows that the ZM460B-APS in ¡°Noiseless¡± or ¡°Silent¡± mode can operate when the power supply's internal temperature is kept below 45¡ÆC. This information is in compliance with the 2 Revision of ISO7779, an international standard for noise level measurement. Results may vary for different system configuration and/or the test environment. Improving Power Factor & Reduced Harmonics through Active PFC By implementing Active PFC, the power factor (PF) was improved from 75% (Passive PFC) up to 96% (230VAC, Full load), while harmful harmonic frequencies were reduced below regulatory requirements. High Efficiency Design The efficiency of this product exceeds 80% (230VAC, Full Load) with the use of high switching frequency and low power-loss circuitry. ATX ¡°20+4¡±-Pin Main Connector ATX ¡°20+4¡±-Pin main connector broadens mainboard compatibility. ATX12V CPU (4-Pin) & EPS12V CPU (8-Pin) Connectors Use two ATX12V 2¥ª2(4-pin) connectors together to form an EPS12V CPU connector(8-pin). Dual PCI Express VGA Power Connectors (6-Pin) Two PCI-Express VGA power connectors are provided to support high-end graphic cards (Nvidia SLI & ATI Cross-Fire). (It may not support certain graphic cards depending on their specifications.) NMB-MAT 120mm Fan Fan¡¯s noise level can be kept constant compared to other products even if used for a long duration by employing the 2-Ball Bearing 120mm fan of NMB-Matsushita known for their great endurance and excellent reliability. Dual +12VDC Output Two +12VDC rails of combined output up to 34A(Only ZM460B-APS) provide more stable power to high-end systems. EZ Grip Connectors for ODD & HDD EZ Grip Connectors for ODD & HDD for easy connecting and disconnecting of the plugs. Use of gold-plated terminals Minimized power loss with reduced contact resistance by gold-plating the terminals of all connectors. WEEE & RoHS Conforms to WEEE & RoHS Environmental Directives in Europe. - WEEE : Waste Electrical and Electronic Regulations. - RoHS : Restriction of Hazardous Substances Regulations. Sleeved Cables All power cables are sleeved for easy cable management and improved air circulation inside the computer case. Certified with International Safety Approvals & EMC Standards  Especificações Output Power Cable Specifications [Cable Lengths & Connector Names]  [Using the Multi-Connector (ZM-DC1)]  Electrical & Physical Characteristics Componentes - One Power Supply - One FAN Multi-connector (ZM-DC1) (For supplying power to an extra fan. See page 5 for details) - One Power Cord for AC Power Source (Not included in some countries) - One User¡¯s Manual - Zalman Cable Tie |