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PC POWER & COOLING, INC (Part of the OCZ Technology Group)
- High-Performance Computer Power Supplies Since 1985
The Silencer® Power Supply Series gives you legendary PC Power and Cooling performance and reliability along with a unique ultra-quiet cooling design and a price that seals the deal. All Silencer Series are 80 Plus certified and 5 years warranty.
According to the technical literature from leading fan manufacturers, the primary cause of system-related fan noise is air turbulence at the inlet side of the fan.
Turbulence is caused by obstructions in the air stream such as finger guards (PSUs with 120mm fans), or capacitors, heat sinks, etc. (PSUs with 80mm fans). The closer the obstruction is the inlet of the fan, the greater the turbulence. (See Fig. 1)
When turbulent air enters the fan, the impact on the blades creates a discrete, high-frequency tone that's particularly annoying and up to 10dB louder than non-turbulent air.
The Silencer 750 is the only computer power supply available today with no obstruction within 1" of the fan inlet! This innovative, ultra-quiet design was achieved by making the Silencer's form factor deeper (1.5"), without sacrificing compatibility with standard ATX computer cases. (See Fig. 2)
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