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Noctua announces new PWM fans

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Posted November 30, 2011 by Kevin in Cooling

Vienna, November 30th 2011 – Having received more than hundred awards and
recommendations from the international press, the classic NF-P12, NF-B9
and NF-R8 fans helped to found Noctua’s reputation as a top-tier
manufacturer of premium grade quiet cooling components. The new PWM
versions build on the proven designs and feature Noctua’s novel NE-FD1
IC for fully automatic control and ultra-low power consumption.

“Our customers have been asking us for PWM versions of our fans for a
long time, but the available PWM fan driver ICs simply weren’t up to our
quality standards”, explains Mag. Roland Mossig, Noctua CEO. “With our
NE-FD1, we’ve now got our custom-designed IC that allows us to build PWM
fans that consume less power and remain quieter at low speeds.”

Most conventional PWM fan driver ICs put out square signals that cause
sudden torque impulses. These impulses can cause minute deformations of
the entire fan structure which lead to audible “clicking” noises that
are especially noticeable with many common PWM fans running at slower
speeds. Adopting Noctua’s Smooth Commutation Drive (SCD) technology, the
custom designed NE-FD1 PWM IC slows down the slew rate of the output
signal in order to give a smoother, less sudden torque impulse. This
way, PWM switching noises can be effectively suppressed and the fan runs
even quieter, especially at low speeds.

Noctua’s NE-FD1 IC was not only fine-tuned for superior quietness, it
has also been carefully optimised to allow for ultra-low power
consumption. As a result, the new PWM models consume 25-40% less power
than their non-PWM counterparts.

All models come with Low-Noise Adaptors, 30cm cable extensions and 4-pin
y-cables that allow to connect a second PWM fan to the same fan header
for automatic control. Equipped with Noctua’s signature SSO bearing and
topped off with a 6 years manufacturer’s warranty, the NF-P12 PWM, NF-B9
PWM and NF-R8 PWM are a proven premium choice for the highest demands.

Price and Availability
The new PWM models are available immediately at a recommended retail
price of EUR 19.90 / USD 24.90 (NF-P12 PWM), EUR 17.90 / USD 21.90
(NF-B9 PWM) and EUR 14.90 / USD 18.90 (NF-R8 PWM).

Noctua NE-FD1 PWM IC:

NF-P12 PWM: http://www.noctua.at/inc/imageviewer.php?item=43&lng=en
NF-B9 PWM: http://www.noctua.at/inc/imageviewer.php?item=44&lng=en
NF-R8 PWM: http://www.noctua.at/inc/imageviewer.php?item=45&lng=en

About Noctua
Designed in Austria, Noctua’s premium cooling components are
internationally renowned for their superb quietness, exceptional
performance and thoroughgoing quality. Having received more than 1000
awards and recommendations from leading hardware websites and magazines,
Noctua’s fans and heatsinks are chosen by more than a hundred thousand
satisfied customers around the globe.

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