Skip to the beginning of the images gallery

Noctua 92mm Nf-a9 Pwm Fan Nf-a9-pwm

$36.00

SKU:	187330
MPN:	NF-A9-PWM Link
Manufacturer:	http://www.noctua.at/main.php?show=start
Brand:	Noctua
Availability:	Preorder 2-3 weeks
Fright Estimate

Description

▼

The NF-A9 is a highly optimised, premium quality quiet 92mm fan. Featuring Noctua’s AAO (Advanced Acoustic Optimisation) frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A9 further improves the renowned quiet cooling performance of the award-winning NF-B9. 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 2000 to 1550rpm. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.

Details

Succeeding the award-winning NF-B9

Noctua's NF-B9 fan has become a default-choice among PC enthusiasts looking for a premium quality quiet 92mm fan. Thanks to its thoroughgoing aerodynamic optimisations, the NF-A9 provides higher static pressure and an even better airflow/noise ratio than its much acclaimed predecessor.

Flow Acceleration Channels

The NF-A9 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.

SSO2 Bearing

The NF-A9 features the further optimised second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilisation, precision and durability.

Custom-designed PWM IC with SCD

Supporting fully automatic PWM speed control, the NF-A9 PWM uses Noctua's novel, custom-designed NE-FD1 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.

Low-Noise Adaptor

The NF-A9 PWM is supplied with a (L.N.A.) that reduces the maximum fan speed from 2000 to 1550rpm. The L.N.A. can be used either to run the fan at a fixed speed of 1550rpm or to cap the maximum speed when using automatic PWM control.

Extensive cabling options

The fan's short 20cm primary cable minimises cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved and a 4-pin y-cable allows the connection of a second NF-A9 PWM fan to the same PWM fan header for automatic control.

6-year manufacturer’s warranty

Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-A9 features an MTBF of more than 150.000 hours rating and comes with a full 6-year manufacturer’s warranty.

Specifications

▼

FAN Specification

Size

92x92x25

Connector

4-Pin PWM

Bearing

SSO2

Blade Geometry

A-Series with Flow Acceleration Channels

Frame Technology

AAO (Advanced Acoustic Optimisation)

Rotational Speed (+/- 10%)

2000

Rotational Speed with L.N.A. (+/- 10%)

1550

Min. Rotational Speed (PWM, +/-20%)

400

Airflow

78,9

Airflow with L.N.A.

62,6

Acoustical Noise

22,8

Acoustical Noise with L.N.A.

16,3

Static Pressure

2,28

Static Pressure with L.N.A.

1,53

Max. Input Power

1,2

Max. Input Current

0,1

Voltage

MTBF

> 150.000

Scope of Delivery

Low-Noise Adaptor (L.N.A.)
4-Pin Y-Cable
30cm Extension Cable
4 Vibration-Compensators
4 Fan Screws

Warranty

6 years

Vendor Info

▼

Manufacturer: Noctua. Designed in Austria, Noctuas premium cooling solutions are internationally renowned for their low noise, exceptional performance and outstanding quality. Having received more than one thousand awards and recommendations from leading hardware websites and magazines, Noctua is the most acclaimed manufacturer of premium quality quiet cooling solutions and the number one choice for silent, high performance PC builds.

This fan features Noctuas novel, custom designed PWM IC for fully automatic control and ultra low power consumption. Equipped with Noctuas signature SSO2 bearing and topped off with a 6 years manufacturers warranty, this fan is a premium choice for the highest demands.

Highlights:

* Manufacturers model code: NF-A9 PWM.
* RPM: 2000.
* CFM: 46.4.
* dBA: 22.8.
* Fan width: 92mm.
* Fan depth: 25mm.
* Bearing type: SSO2 (Self Stabilising Oil).
* Connector: 4Pin PWM.
* Warranty: 6 years.

Do you want to know more? Check out Noctuas product introduction page, detailed specifications, infosheet & product FAQ.

Reviews

▼