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Why not spare your hearing with Acoustic PC’s Quiet Computer Cooling and Soundproofing
Solutions. Acoustic PC Stocks Quiet Computer Parts. Quiet PC Fans, Quiet CPU Coolers, Quiet
Power Supply, Quiet Computer Cases, PC Sound Dampening insulation, Ant-vibration Noise
Reduction materials such as Silicone Fan Mounts, Sorbothane Feet for Ultra Low noise PC's. We
also sell Silent PC Hardware components and Gaming products such as Fanless Silent Video
cards, SSD Drives, Professional Gaming peripherals for serious Gamers. Audio products & more.
Noctua NH-U9DO A3 Ultra Quiet CPU Cooler
Noctua NH-U9DO A3 Quiet CPU Cooler
Noctua NH-U9DO A3 Ultra Quiet CPU Cooler


Description:

Noctua's DO line of coolers has become a default choice when it comes to quietly cooling AMD Opteron CPUs. Upgrading both compatibility and performance,
the new A3 model features Noctua's professional NM-A3 SecuFirm2™ mounting system that not only supports socket G34, C32 and F, but also allows to install
the cooler turned by 90°. Thanks to six heatpipes, a performance optimized fin stack and its two premium grade NF-B9 92mm fans, the compact NH-U9DO A3
cools Opteron processors up to a thermal design power (TDP) of 115W at minimum noise levels. Bundled with Noctua's industrial-grade NT-H1 thermal
compound and fitting standard 4U chassis, the NH-U9DO A3 forms a complete premium quality package for quietly cooling AMD workstations and servers.

Caution: Due to its more compact design and quiet operation, the NH-U9DO A3 is approved only for processors with up to 115W thermal design power (TDP).
Using the NH-U9DO A3 on higher TDP processors may be possible with increased case ventilation depending on the specific configuration but is not officially
supported by Noctua.



Socket Compatibility:
Intel AMD G34, C32, F (3.5" & 4.1")



Features:

Performance optimized design
The NH-U9DO A3 is based on Noctua's much acclaimed NH-U series which have received more than 300 awards and recommendations from the international
press. Six heatpipes, a performance optimized fin stack and an enlarged contact surface suitable for socket G34 allow for further improved performance.

Supports G34, C32 and Socket F
Thanks to the new NM-A3 SecuFirm2™ mounting system that includes brackets with both 3.5" and 4.1" hole spacing, the NH-U9DO A3 supports Socket F as
well as the newer G34 and C32 sockets.

Can be turned by 90° for optimal compatibility and positioning
Noctua's NM-A3 SecuFirm2™ mounting system makes it possible to install the cooler rotated by 90° in order to allow for an optimal positioning of the cooler
and to evade compatibility issues on dual socket mainboards.

Drop-in replacement for standard AMD coolers
Screwing directly to the standard AMD backplate, the NM-A3 SecuFirm2™ mounting system makes the new A3 revision a true drop-in replacement. Choose the
appropriate mounting brackets, fix the two spring screws and you're done!

2x NF-B9 92mm premium fan
Featuring advanced aerodynamic optimizations and Noctua's premium-grade SSO-bearing, the award-winning NF-B9 is renowned for its exceptional quietness
and long-term stability. The dual fan configuration allows for increased performance and safeguarding against failure.

NT-H1 thermal compound
Noctua's much-acclaimed NT-H1 is a well proven pro-grade TIM solution that provides minimum thermal resistance, excellent ease-of-use and outstanding
reliability, which makes it suitable for use in professional server and workstation environments.



CPU Cooler Specifications:
Height (without fan)        125 mm
Width (without fan)        95 mm
Depth (without fan)        71 mm
Height (with fan)        125 mm
Width (with fan)        95 mm
Depth (with fan)        95 (1 fan) / 120 mm (with 2 fans)
Weight (without fan)        540 g
Weight (with fan)        630g (1 fan) / 720 g (with 2 fans)
Material        Copper (base and heat-pipes), aluminum (cooling fins), soldered joints, nickel plated
Socket compatibility        AMD G34, C32, F (3.5" & 4.1")
Fan compatibility        2x 92x92x25mm
Includes        
2x NF-B9 premium fan
2x Ultra-Low-Noise Adapter (U.L.N.A.)
2x Low-Noise Adapter (L.N.A.)
Y-Split Cable
NT-H1 high-grade thermal compound
SecuFirm2™ Mounting Kits
Warranty        6 Years



Fan Specifications:
Model        Noctua NF-B9
Bearing        SSO-Bearing
Rotational Speed (+/- 10%)        1600 RPM
Rotational Speed with L.N.A. (+/- 10%)        1300 RPM
Rotational Speed with U.L.N.A. (+/- 10%)        1000 RPM
Airflow        64,3 m³/h
Airflow with L.N.A.        52,6 m³/h
Airflow with U.L.N.A.        41,1 m³/h
Acoustical Noise        17,6 dB(A)
Acoustical Noise with L.N.A.        13,1 dB(A)
Acoustical Noise with U.L.N.A.        7,9 dB(A)
Input Power        1,32 W
Voltage Range        12 V
MTBF        > 150.000 h
Image showes the Noctua Products Logo.
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