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Noctua NH-D9L CPU Cooler

Noctua NH-D9L Dual Tower Multi CPU Cooler with NF-A9 Fan, Copper Base, for Intel/AMD

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Noctua NH-D9L Dual Tower Multi CPU Cooler with NF-A9 Fan, Copper Base, for Intel/AMD

Noctua NH-D9L CPU CoolerNoctua NH-D9L CPU Cooler
Noctua NH-D9L CPU Cooler
Product Overview
The NH-D9L is a premium grade dual tower CPU cooler that has been designed to provide excellent quiet cooling performance at a height of only 110mm. Its comparably low profile (15mm lower than classic 9cm tower coolers such as the NH-U9S) doesn’t only guarantee full 3U compliance but also makes the NH-D9L ideal for compact HTPC and Small Form Factor cases that have airflow paths parallel to the mainboard. Thanks to its 95x95mm footprint, the NH-D9L clears the RAM and PCIe slots on all Intel based and most AMD based ITX mainboards. The included NF-A9 premium fan supports automatic speed control via PWM for outstanding quietness of operation and a second, optional NF-A9 fan can be added for further improved performance in dual fan mode. Topped off with the trusted, pro-grade SecuFirm2™ multi-socket mounting system, Noctua’s proven NT-H1 thermal compound and full 6 years manufacturer’s warranty, the NH-D9L forms a highly compact premium package for space-restricted applications.
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 blows air parallel to the mainboard. This allows for superior airflow efficiency in cases with front intake and rear exhaust fans that create an airflow path parallel to the mainboard.

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 in 3U chassis. This makes it ideal for noise-sensitive 3U applications in fields such as audio or video processing.

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. Please note that some AMD mainboards violate the 96x114mm keep-out zone specified by AMD, so the NH-D9L can only be used with RAM modules of up to 30mm height on these boards. Please consult our compatibility list for details.

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.

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.

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 1550 rpm using the supplied Low-Noise Adaptor for even quieter operation.

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. Please note that the optional front fan will sit above the RAM and depending on the height of the RAM modules, the fan may have to be moved up so far that the total height of the cooler exceeds 110mm. As a result, the cooler may no longer fit some 3U cases. In order to guarantee full 3U compatibility in dual fan mode, please use low profile memory with up to 22mm height.

SecuFirm2™ mounting system
Noctua’s SecuFirm2™ mounting systems have become synonymous with quality, safety and ease of use. Supporting Intel LGA115x (LGA1150, LGA1151, 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.

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 by 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.

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.

Six 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 six years manufacturer’s warranty.
Technical Specification
Cooler Form Factor:
Cooler Features:
Socket Compatibility:
  • 1150
  • 1151
  • 1155
  • 1156
  • 2011
  • 2011-3
  • AM2/AM2+
  • AM3/AM3+
  • FM1
  • FM2
  • FM2+
Included Fan Configuaration:
Fan Edition:
PWM Fan:
Fan Bearing Type:
Fan Colour:
LED Lighting Colour:
Fan Connectors:
Approx Fan Speed:
400 - 2000 rpm
Adjustable Fan Speed Controller:
Fan Airflow:
46.4 CFM
Air Pressure:
Sound Level (dB):
22.8 dB
Sound Level (Sone):
Max. Cooling Capacity:
Fan Material:
Heatsink Material:
Fan Dimensions:
92 x 92 x 25 mm
Heatsink Dimensions:
95 x 110 x 95 mm (WxHxD)
Total Dimensions:

For further information regarding Scan's warranty procedure please click here

24 months
Return to base
DOA Period:
28 days
RTB Period:
24 months
Manufacturer Contact Details
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Tek Spek
Chassis Airflow Cases >> Chassis Airflow The modern PC is potentially a mass of heat output and heat production hot spots. With CPUs rated at more than 100W of heat output, single graphics boards carrying similar ratings (and people want to run two!), multiple hard drives the norm, lots of memory and mainboards covered in heatpipes to combat toasty core logic and PWM circuits, a PC appreciably warming up a room when it’s working hard is no joke. Read Further >> AMD 64 Processors CPUs >> AMD 64 Processors This TekSpek explains what AMD’s AMD64 CPU instruction set architecture (ISA) is, shows what CPUs implement it from both AMD and Intel, and explains what software is available to run on those 64-bit consumer processors. Read Further >> Core 2 CPUs >> Core 2 There’s been a lot of hype about Intel’s Core 2 recently, even since they launched Core in fact. Words like Conroe, Badaxe and Allendale have been flying around. The bottom line is that Core 2 is the name of Intel’s latest line of CPUs, based on a new micro-architecture, designed for speed and efficiency. Read Further >> Intel Core 2 Duo (Conroe) CPUs >> Intel Core 2 Duo (Conroe) The purpose of this TekSpek is to delineate the publicly known features of Intel’s next generation desktop microarchitecture. Codenamed Conroe and officially titled Intel Core 2 Duo, it’s loosely based on the current mobile Yonah (Core Duo) underpinnings. Read Further >> Overclocking GPU - Graphics >> Overclocking This TekSpek explains why you’d want to overclock your graphics board, the risks in doing so and how you can go about doing it. Read Further >> System Noise Reduction Sound >> System Noise Reduction Anybody who has been near their share of computer systems will appreciate that not all systems make the same amount of noise. There are a number of reasons for why this is so. Firstly, a computer makes noise for different reasons. Generally, anything mechanical is going to make noise. Read Further >>
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400 - 2000 rpm

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46.4 CFM

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22.8 dB

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92 x 92 x 25 mm

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95 x 110 x 95 mm (WxHxD)

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Customer Reviews
Rated 5 out of 5 by 3 reviewers.
Rated 5 out of 5 by A good product This excellent cooler performs well and is very quiet. The relatively low height and small footprint enable it to fit in cases where a larger tower type could not. 26 April 2016
Rated 5 out of 5 by Beautifully engineered and a doddle to fit! When you see how this cooler is packaged you know you've bought something of very high quality. This is the second one of these coolers I've bought now for two separate builds, both are used with high end i7 CPU's and do their job silently and efficiently. They're very easy to fit with clear and concise instructions, I can't fault anything about them and would recommend them highly to anyone who values well engineered components! 26 January 2016
Rated 5 out of 5 by Welldone Noctua! This heatsink is simply amazing! Have had Intel stock heatsink over my core i5 4590 with 73 degrees Celsius on full load, now with the Noctua managed to drop the temperature to 52 degrees Celsius. Over 20 degrees drop is huge improvement! Not to mention that the case fans are running quiet now because of this excellent piece of art. Highly recommended! If you've got a mATX or mini ITX case with limited space but you need quality cooling for your CPU, get this item and you won't regret at all! I am with Corsair Air 240 and it fits perfectly. 27 February 2015
  • 2016-05-20 T12:52:58.960-05:00
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