PC Fan SilentiumPC Sigma Pro 140 PWM:The Sigma Pro 140 PWM belongs to the new series of SilentiumPC coolers, which is characterized by extremely low noise and is an ideal component for building a quiet computer set in the office or home. The Sigma Pro 140 is suitable for processor cooling, like a classic cooler for cabinets, even for water cooling. Extremely compact and light body allows mounting up to 120 and 140mm positions.OffThe Sigma Pro 140 PWM belongs to the new series of SilentiumPC coolers, which is characterised by extremely low noise and is an ideal component for building a quiet computer set in the office or home. It is suitable for processor cooling, like a classic cooler for cabinets, even for water cooling. Extremely compact and light body allows mounting up to 120 and 140mm positions.Key featuresEffective coolingVery quiet - maximum noise level only 22 dBASmall and lightFast and easy installationHigh quality heat transfer paste includedConnect using a 4-pin connectorPerfect constructionThe optimised fan blade shape significantly reduces noise and at the same time provides better airflow compared to conventional 92mm fans. Its noise level reaches a maximum of 22 dBA, with the air flow through the condenser reaching up to 78.6 CFM. Speed ??is controlled by PWM regulation in the range between 500-1,400 rpm. You will certainly appreciate a very easy and fast installation that does not require any tools or special products.