All Zalman Tech products are ultra-quiet in order to achieve enhanced computing environment. This product is an ultra-quiet ATX12V Ver2.2 power supply supporting the latest Dual-Core 64 bit Intel Pentium D & AMD Athlon64 X2 CPU-equipped systems.

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.