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Noctua 200mm 800RPM Computer Case Fan - 5V PWM by Noctua


Noctua 200mm 800RPM Computer Case Fan - 5V PWM Image

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Key Features

  • 200 mm x 200 mm x 30 mm - 5V PWM
  • Airflow up to 146.9 m³/h
  • Noise level of 18.1 dBA
  • Speed of 350-800 RPM
  • SSO2 bearing
See full specifications
See product description

Voltage
  • 5 V
  • 5 V-12 V
Connector
  • 3-pin
  • 4-pin PWM


Details

The NF-A20 5V PWM is a PWM-enabled 5V variant of Noctua’s award-winning, premium-quality NF-A20 200mm fan. Featuring an AAO (Advanced Acoustic Optimisation) standard frame and sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A20 is renowned for its superior performance and outstanding quietness of operation. Smooth Commutation Drive technology and Noctua’s reference class SSO2 bearing guarantee superb running smoothness and excellent long-term stability. Topped off with the included USB power adaptor cable, OmniJoin™ adaptor set and 6-year manufacturer’s warranty, the NF-A20 5V PWM is a premium choice for demanding 5V applications that require PWM control.

5V PWM version
5V PWM fans are used in various devices and applications. With the included USB power adaptor cable and OmniJoin™ adaptor set, the NF-A20 5V PWM is a proven premium solution that gives you full flexibility both for replacing existing 5V PWM fans and for new, custom applications that require PWM speed control.

Flow Acceleration Channels
The NF-A20 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.

AAO frame
Noctua's AAO (Advanced Acoustic Optimisation) frames feature integrated anti-vibration pads as well as Noctua's proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan's performance/noise efficiency.

Stepped Inlet Design
Noctua's Stepped Inlet Design adds turbulence to the influx in order to facilitate the transition from laminar flow to turbulent flow, which reduces tonal intake noise, improves flow attachment and increases suction capacity, especially in space-restricted environments.

Inner Surface Microstructures
With the tips of the fan blades ploughing through the boundary layer created by the Inner Surface Microstructures, flow separation from the suction side of the blades is significantly suppressed, which results in reduced blade passing noise and improved airflow and pressure efficiency.

Integrated anti-vibration pads
Integrated anti-vibration pads made from extra-soft silicone minimise the transmission of minute vibrations while maintaining full compatibility with all standard screws and other mounting systems.

Custom-designed PWM IC with SCD
Supporting fully automatic PWM speed control, the fan uses Noctua's custom-designed NE-FD3 PWM IC that integrates Smooth Commutation Drive (SCD) technology. By providing smoother torque impulses, SCD suppresses PWM switching noises and thus makes the fan quieter at low speeds.

6-year manufacturer’s warranty
Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-A20 features an MTTF of more than 150.000 hours rating and comes with a full 6-year manufacturer’s warranty.

Specifications
FAN DIAMETER 200 mm
ROTATION SPEED 350-800 RPM
QUANTITY Single
NOISE LEVEL 18.1 dBA
AIRFLOW 146.9 m³/h
CONNECTOR 4-pin PWM
COLOR Brown
VOLTAGE 5 V
DIMENSIONS 200 mm x 200 mm x 30 mm
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