Product Comparison: Noctua NF-R8 redux-1800 PWM vs Noctua NF-A8 PWM

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Noctua NF-R8 redux-1800 PWM High Performance Cooling Fan

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Noctua NF-A8 PWM Premium Quiet Fan

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General Specifications

Brand

Noctua

Model

NF-R8 redux-1800 PWM

NF-A8 PWM

Origin

China

About the Product

The 1800rpm PWM version features Noctua’s proprietary NE-FD1 PWM IC for automatic speed control, which allows to strike a perfect balance between high cooling capacity and low noise operation in each given situation.

The PWM version sports Noctua’s custom designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise-Adaptor to reduce the maximum speed during PWM control from 2200 to 1750rpm.

Key Specs

Fan Bearing Technology

SSO Bearing

SSO2 Bearing

Max. Airflow

31.37 CFM

32.66 CFM

Speed

1800 RPM

2200 RPM

What customers say about "Key Specs"

Noctua NF-R8 redux-1800 PWM High Performance Cooling Fan

Noctua fans have excellent reviews for quiet with good airflow.
They have great airflow and cooling capability for such a low noise footprint.
Classy looking and work perfectly, with good airflow.
Great airflow and insanely quiet.
Has a really good amount of airflow and is surprisingly quiet.

Noctua NF-A8 PWM Premium Quiet Fan

Good airflow. Extremely quiet, it has a slight wind noise but that's it.
These fans are whisper quiet and provide a great amount of airflow.
High quality, and great for a quiet-server build where airflow is still important.
Simply amazing airflow. Moves a ton of air and really keeps the important parts cool.
These move the air a lot and with their blade design coupled with the cushioned mounts, do it very quietly.

Size & Weight

Height

3.15 in.

Width

3.15 in.

Depth

0.98 in.

Weight

5.1 oz.

5.29 oz.

Features

Number of Coolers

Fan Size

80 mm

Noise Level

17.1 dB

17.7 dB

Power Connector Type

4-pіn

Extras

Custom-designed PWM IC with SCD, Streamlined redux edition

Low-Noise Adapter, Flow Acceleration Channels, AAO frame, Integrated anti-vibration pads, Custom-designed PWM IC with SCD

What customers say about "Features"

Noctua NF-R8 redux-1800 PWM High Performance Cooling Fan

Quiet and effective airflow.
Quiet, powerful. Keep it working at 95% and is silent.
This is very quiet. At full speed it moves a reasonable amount of air very quietly.
These fans are whisper quiet, you really can only hear them run at 1300 RPM and beyond.
This is a high quality and quiet.

Noctua NF-A8 PWM Premium Quiet Fan