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Low-profile tower design for better airflow efficiency
While
most low-profile coolers blow air towards the motherboard, the NH-D9L
is a tower style cooler that bows parallel to the mainboard, which
allows for superior airflow efficiency in cases with front intake and
rear exhaust fans that create an airflow path parallel to the mainboard.
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3U compatibility
Whereas
classic 9cm coolers with up to 125mm height fit 4U rack mount cases,
the NH-D9L’s reduced height of 110mm allows it to also fit 3U chassis.
This makes it ideal for noise-sensitive 3U applications in fields such
as audio or video processing.
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100% RAM compatibility
With
its 95x95mm footprint, the NH-D9L does not overhang the RAM slots on
current Intel and most AMD mainboards. This gives the user full access
to the memory modules and guarantees 100% compatibility with tall
heatspreaders or optional memory fans.*
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100% compatibility with PCIe cards on mini-ITX
Many
Intel LGA115x based mini-ITX mainboards have the PCIe slot sitting
right next to the 95x95mm socket zone. While larger coolers that exceed
this zone are likely to block the PCIe slot, the 95x95xmm sized NH-D9L
provides full compatibility with PCIe cards, be it on ATX, microATX or
ITX.
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NF-A9 premium fan
The
highly optimised NF-A9 premium fan features Noctua’s proprietary AAO
frame as well as sophisticated aerodynamic design measures such as Flow
Acceleration Channels, which allows it to further improve the renowned
efficiency of Noctua’s previous 92mm models and contributes to the
NH-D9L’ superior cooling performance. 
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PWM support and Low-Noise Adaptor
The
NF-A9 92mm fan supplied with the NH-D9L supports PWM for convenient
automatic speed control through the mainboard. In addition, the maximum
fan speed can be reduced from 2000 to 1550rpm using the supplied
Low-Noise Adaptor for even quieter operation.
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Dual fan ready
The
NH-D9L includes an extra set of fan mounting clips for users who want
to achieve even better cooling performance by adding a second, optional
NF-A9 to the front fin stack. Using the y-cable supplied with the NF-A9
PWM retail fan, both fans can be connected to one CPU fan header.**
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SecuFirm2™ mounting system
Noctua’s
SecuFirm2™ mounting systems have become synonymous with quality, safety
and ease of use. Supporting Intel LGA115x (LGA1150, LGA1155, LGA1156),
LGA2011 (LGA2011-0 & LGA2011-3) and AMD (AM2+, AM3, AM3+, FM1, FM2,
FM2+), the SecuFirm2™ mounting included with the NH-D9L guarantees
perfect contact pressure and maximum convenience on all current sockets.
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Compatibility with past and future sockets
Complying
with the open SecuFirm™ standard, the NH-D9L can be made compatible
with the older LGA1366 and LGA775 sockets using the optional NM-I3
mounting kit, which is provided by Noctua free of charge. If technically
possible, Noctua will also provide upgrade kits for future sockets.
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NT-H1 thermal compound
Having
received more than 100 awards and recommendations from hardware
journalists around the world, Noctua’s NT-H1 is a proven professional
grade TIM solution that provides minimum thermal resistance, excellent
ease of use and outstanding reliability.
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6 years warranty
Noctua
products are renowned for their impeccable quality and outstanding
longevity. Like all Noctua fans, the supplied NF-A9 features an MTBF
rating of more than 150.000 hours and the entire NH-D9L package comes
with a full 6 years manufacturer’s warranty.
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