LOGISTICAL DATAS
Product Labeling
Noctua NF-A20 FLX
EAN-No.
901001810002-0
UPC-No.
84150111002-3
Dimensions (HxWxD)
285 x 285 x 38 mm
Weight
705 gr
Warranty
6 Years
MSPR
29.95 USD
Packaging Unit
10 Pcs.
Dimensions / Unit (HxWxD)
315 x 300 x 420 mm
Weight / Unit
8.1 kg
SCOPE OF DELIVERY
NF-A20 FLX Premium Fan
Low-Noise-Adaptor (L.N.A.)
30cm extension cable
3:4 pin adaptor
4x NA-AV3 anti-vibration mounts
4x NA-AV4 anti-vibration mounts
4x fan screws
NF-A20 FLX
The NF-A20 FLX is a highly optimised, premium quality quiet 200mm fan. Featuring an AAO (Advanced Acoustic Optimisation) standard frame as well as sophisticated
aerodynamic design measures such as Flow Acceleration Channels, the NF-A20 FLX brings the renowned quiet cooling performance of Noctua’s award-winning A-series
to the increasingly popular 20cm form factor. The FLX version provides 800/550rpm speed settings via the supplied Low-Noise Adaptor in order to provide full flexibility
in fine-tuning the fan for maximum ventilation performance or near-silent operation. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted
premium quality make the NF-A20 FLX an elite choice for the highest demands.
Award-winning Noctua quality in 20cm size
While more and more PC cases support 20cm intake, side-panel or exhaust fans, many of the
bundled stock units and available aftermarket options are of questionable quality. By contrast,
the NF-A20 FLX is a true premium grade solution worthy of Noctua’s award-winning A-series.
154mm, 110x180mm and 170mm hole spacing
In order to ensure broad compatibility with today’s PC cases, the NF-A20 FLX features three
sets of mounting holes: While the 154x154mm and 110x180mm spacing allow it to replace
most 200mm fans, the 170x170mm spacing is used by many 230 and 250mm fans, which
can thus also be replaced by the NF-A20 FLX.*
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.
Flow Acceleration Channels
The NF-A20 FLX 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.
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.
2 speed settings for full flexibility
Providing 800 and 550rpm speed settings via the supplied Low-Noise Adaptor, the NF-A20
FLX (Flexibility) can be fine-tuned for superior airflow or maximum quietness.
200 mm
Smooth Commutation Drive 2
The latest version of Noctua’s advanced Smooth Commutation Drive system ensures superb
running smoothness by eliminating torque variations and switching noises. This makes the
NF-A20 FLX remarkably quiet even at very close distance.
Noctua NF-A20 FLX
Premium Fan
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 the supplied 3:4 pin adaptor allows to connect the fan directly to the
power supply.
6-year manufacturer’s warranty
Noctua fans are renowned for their impeccable quality and outstanding longevity. Like
all Noctua fans, the NF-A20 FLX features an MTTF of more than 150.000 hours rating
and comes with a full 6-year manufacturer’s warranty.
*As there is no fixed industry standard for the size or hole spacing of 200mm, 220mm, 230mm or 250mm
fans, please carefully check both the hole setup of your chassis and the available space (the NF-A20 FLX is
30mm thick whereas some other 200mm fans are only 20mm!) in order to verify that the NF-A20 FLX is
compatible with your chassis. In case of doubt, please contact our customer support (support@noctua.at).
SPECIFICATIONS
Size
Bearing
Connector
Blade geometry
Max. input power / operating voltage
MTBF
NF-A20 FLX
Max. rotational speed (+/-10%)
Max. airflow
Max. acoustical noise
Max. static pressure
200 x 200 x 30 mm
SSO2
3-Pin
A-Series with Flow Acceleration Channels
0.96W / 12V
> 150.000 h
w/o adaptor
800 RPM
146.9 m³/h
18.1 dB(A)
1.08 mm H
with L.N.A.
550 RPM
100.8 m³/h
10.7 dB(A)
O
2
0.51 mm H
O
2
Designed in Austria, Noctua’s premium cooling components are internationally renowned for their superb quietness, exceptional performance and thoroughgoing quality. Having received more
than 6000 awards and recommendations from leading hardware websites and magazines, Noctua’s fans and heatsinks are serving hundreds of thousands of satisfied customers around the globe.
www.noctua.at
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