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Noctua NH-D9L, Premium CPU Cooler with NF-A9 92mm Fan (Brown)

4.7 4.7 out of 5 stars 1,926 ratings
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$69.95
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Purchase options and add-ons

Product Dimensions 9.5L x 9.5W x 11H Centimetres
Brand Noctua
Power connector type 4-Pin
Voltage 12 Volts
Wattage 1.2 watts
Cooling method Air
Compatible devices Desktop
Noise level 22.8 dB
Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Maximum rotational speed 2000 RPM

About this item

  • Compact dual-tower design combines strong cooling performance with excellent case-, RAM- and PCIe-compatibility
  • Only 110mm height is ideal for HTPCs, ITX, Small Form Factor or 3U builds; Does not overhang the RAM or PCIe slots on most current motherboards
  • Highly optimised NF-A9 92mm fan with PWM support and Low-Noise Adaptor for automatic speed control and ultra-quiet operation
  • Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 & AM4 (offset mounting option for best efficiency)
  • Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for Intel Core & Core Ultra (e.g. 285K, 265K, 245K) and AMD Ryzen (e.g. 9950X, 9900X, 9700X, 9600X)

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Noctua NH-D9L, Premium CPU Cooler with NF-A9 92mm Fan (Brown)
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Price$69.95$62.95$102.90$47.90$17.95$74.95
Delivery
Get it by Monday, Nov 25
Get it by Monday, Nov 25
Get it by Monday, Nov 25
Get it by Monday, Nov 25
Get it by Monday, Nov 25
Get it by Monday, Nov 25
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cooling method
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From the brand


Product Description

header

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 ensure 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 and Noctua’s proven NT-H1 thermal compound, the NH-D9L forms a highly compact premium package for space-restricted applications.

lpt

RAM

mitx

a9

Low-profile tower design with 3U compatibility

While most low-profile coolers blow air towards the motherboard, the NH-D9L is a tower style cooler that blows 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. The NH-D9L's reduced height of 110mm also allows it to fit 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 ensures 100% compatibility with tall heatspreaders or optional memory fans.

100% compatibility with PCIe cards on mini-ITX

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 ensures 100% compatibility with tall heatspreaders or optional memory fans.

NT-H1 thermal compound

Noctua’s much-acclaimed NT-H1 is a pro-grade TIM solution that provides minimum thermal resistance, excellent ease of use and outstanding reliability. Chosen again and again by overclockers and enthusiast users worldwide, it has established itself as a benchmark for premium-quality thermal compounds.

d9l
Measurements
  • Height (without fan): 110 mm
  • Width (without fan): 95 mm
  • Depth (without fan): 95 mm
  • Height (with fan): 110 mm
  • Width (with fan): 95 mm
  • Depth (with fan): 95 mm
  • Weight (without fan): 428 g
  • Weight (with fan/s): 531 g
Materials

Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating

Cooler Specifications

Scope of delivery

  • NF-A9 PWM premium fan
  • NA-RC7 Low-Noise Adaptor (L.N.A)
  • NT-H1 high-grade thermal compound
  • SecuFirm2 mounting kit
  • Fan-clips for second NF-A9
  • Noctua Metal Case-Badge

Fan compatibility

92x92x25mm

banner

NF-A9 premium fan

The highly optimised NF-A9 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 efficiency of Noctua's previous 92mm models and contributes to the NH-D9L' superior cooling performance.

D9l NH-D9 TR5-SP6 4U 3647 NH-D9 DX-4189 4U  NH-D9L chromax.black
NH-D9L NH-D9 TR5-SP6 4U NH-D9 DX-4189 4U NH-D9 DX-4677 4U NH-D9L chromax.black
Customer Reviews
4.7 out of 5 stars
1,926
3.8 out of 5 stars
11
4.3 out of 5 stars
52
Price $69.95 $162.90 $162.49 $102.90
LGA1851, LGA1700 X X X
LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) X X X
LGA20xx Square ILM with NM-i20xx X X X with NM-i20xx
LGA20xx Narrow ILM upgrade kit available on request X X X upgrade kit available on request
LGA4189 X with NM-i4189 with NM-i4189 X
LGA4677 X with NM-i4677 with NM-i4677 X
AM5 X X X
AM4 X X X
TR4, SP3, sTRX4, sWRX8 X X X X X
sTR5, SP6 X with NM-TR5-SP6 with NM-TR5-SP6 X

Looking for specific info?

Customer reviews

4.7 out of 5 stars
1,926 global ratings
Very nice compatibility and performance
5 out of 5 stars
Very nice compatibility and performance
Bought this for my acer nitro prebuilt. The tower is 15cm large so it's pretty small. Fits like a charm and cpu is under 55 C during stress test (i7-9700). I idle at 27C, which is kinda incredible.I was sitting at 82C before while gaming.
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Top reviews from Canada

Reviewed in Canada on May 19, 2020
Verified Purchase
I bought one of these units (NH-D9L) to cool a Ryzen 3600 CPU and so far it seems great. Its at least 10C cooler than the stock HSF that came with the CPU and is nice and fairly quiet. I am pleased with the temps, size and compatibility of the HSF as it doesn't block any RAM or PCI-E slots.

Also Noctua's mounting system is fantastic.. by far my favorite HSF mounting system. So easy to install/setup, and it just works. Noctua is my go to brand when it comes to using Air Cooling and with good reason! It works well, everything is well engineered.. even the packaging breaks down easily and is recyclable. They cover everything and even include an additional fan mount in case you want to add a 2nd fan.
One person found this helpful
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Reviewed in Canada on July 8, 2020
Verified Purchase
I'm using this on an i7-10700, and it allowed me to remove the power limit in the BIOS so now it can run at 4.6GHz all core all day with no issue. Asus software reports 130W pulled on average, yet CPU temp stays in the low to mid 60's!

It can even work with the fan stopped when idling, though it's sort of pointless because it's so quiet.

Install was fairly easy although I had to remove the m.2 heatsink to install the "clamps", but putting it back after was a non-issue. It clears the RAM even though it's not low profile (it stops just shy of it), and also clear the VRM heatsink, on this small yet busy ASUS ITX board.

I was afraid to go so small, but since this is a computer that gets transported all the time I needed something light and not too tall (to reduce the moment, and thus the stress on the motherboard during transport). It was between this and the NH-L9x65, the latter of which uses a low profile fan which doesn't perform as well (but still good!).

Now I need another NF-9A fan to use as my exhaust fan (to replace the noisy one that came with this Cougar QBX case), but they're out of stock everywhere.
Customer image
Yan
5.0 out of 5 stars Even better than I expected
Reviewed in Canada on July 8, 2020
I'm using this on an i7-10700, and it allowed me to remove the power limit in the BIOS so now it can run at 4.6GHz all core all day with no issue. Asus software reports 130W pulled on average, yet CPU temp stays in the low to mid 60's!

It can even work with the fan stopped when idling, though it's sort of pointless because it's so quiet.

Install was fairly easy although I had to remove the m.2 heatsink to install the "clamps", but putting it back after was a non-issue. It clears the RAM even though it's not low profile (it stops just shy of it), and also clear the VRM heatsink, on this small yet busy ASUS ITX board.

I was afraid to go so small, but since this is a computer that gets transported all the time I needed something light and not too tall (to reduce the moment, and thus the stress on the motherboard during transport). It was between this and the NH-L9x65, the latter of which uses a low profile fan which doesn't perform as well (but still good!).

Now I need another NF-9A fan to use as my exhaust fan (to replace the noisy one that came with this Cougar QBX case), but they're out of stock everywhere.
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One person found this helpful
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Reviewed in Canada on August 29, 2024
Verified Purchase
This is going to be overkill for most system builds but it's sheer mass and effective heat transfer keep my AMD5900X system so quite I forget it is running when just doing day to day tasks like web browsing movie watching. When gaming the fans will spin up but are still much quitter then any AIO I've used in the past.
Reviewed in Canada on January 12, 2020
Verified Purchase
Review for Noctua NH-D9L CPU Cooler with NF-A9 92mm Fan

Pros:
-relatively low-profile for a tower-style cooler, standing at only 110mm tall (if fans sit flush with top of heatpipes)
-fans can provide airflow for memory or VRM depending on direction/orientation
-quiet operation even at max fan rpm (2000 rpm is inaudible in an NCase M1 at 50cm)
-compatibility with most consumer platforms, latest 2019 comes with AMD AM4 mounting brackets and clips for an additional 92mm fan
-able to keep an overclocked Ryzen 7 8-core (voltage: 1.25V) at < 75C

Cons:
-AM4 mounting brackets only allow one orientation for mounting (requires separately sold AM4 mounting kit for brackets allowing other orientation)
-very difficult to get fans to sit flush against top of heatpipes, requires lots of tinkering
-additional fans will have to be mounted with a height off-set, making the total cooler height > 110mm
One person found this helpful
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Reviewed in Canada on May 8, 2020
Verified Purchase
Disclaimer: my results are based on a dual fan configuration instead of the single fan default configuration.

CPU: AMD Ryzen 5 2600, not overclocked
Case: Thermaltake Versa H15, with one additional intake (front) and exhaust (top) fan installed

After installing this, the temperatures on my CPU dropped by 8 degrees Celsius at idle (from 41 degrees average; down to 33 degrees average), and by over 15 degrees under full load (80 to 83 degrees average; down to 65 degrees) versus what they had been with the stock AMD Wraith Spire cooler. This is in a room with an ambient temperature of 23 to 25 degrees Celsius. I noticed absolutely no difference in noise levels versus the the stock cooler. While quite large compared to stock coolers, this one is very small compared to the majority of tower coolers, with a height basically equal to my graphics card.

The kit came with all the pieces for mounting on an AM4 motherboard. The installation was not difficult, and this was on a motherboard already installed in a very tight case. If mounted before installed in a case, as you normally would when building a PC from scratch, it would be even easier. The instructions were straight forward, and written in proper, grammatically correct English. There is a separate instruction booklet for AMD and Intel.

I've never had a CPU cooler give me such dramatic improvement before. I am very impressed, and would recommend to anyone looking to just lower their CPU temperatures, or for moderate overclocking. I'm even considering buying another one to put into my mother's computer to replace the barely adequate Cooler Master Hyper T2 I installed in there. Noctua's reputation is clearly well earned.
8 people found this helpful
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Reviewed in Canada on December 19, 2021
Verified Purchase
Excellent Noctua quality, but fan seating between towers are obstructed by the heads of the mounting screwdowns. Fan does not sit flat. I must have received an earlier version of this cpu cooler as the mounting screws in the motherboard baseplate were separate from the base (NOT pre-embedded as in the many You Tube videos), and had to be secure with supplied locking washers after being positioned in the correct position for the LGA 1200 mount. Nothing overwhelming, but a little confusing for first time computer building. CPU temperature dropped from 34 degrees C with original Intel cooler to 29 degrees with the Noctua cooler. Good cooler for the price ! Virtually silent in operation.
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Top reviews from other countries

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Michalec
5.0 out of 5 stars Nice size and better than stock but...
Reviewed in the United States on May 8, 2024
Verified Purchase
I just did a series of tests using these items: Date: 05/07/2024

ARCTIC MX-6 $6.55
TF7 Thermal Compound Paste - included
Noctua NT-H1 Thermal Computer Paste - included
Thermalright Peerless Assassin 120 SE Cooler $33.90
Noctua NH-D9L, Premium CPU Cooler $54.95

Configs and results:
1. Noctua NH-D9L with Noctua NT-H1: Started here. I was getting about 35C to 38C Idle on the CPU with the fan at 950ish rpm. When I did the multi core CPU test on Cinebench 2024 the temp would jump up to the 100C throttle temp almost immediately and would bounce right at that for the duration of the 10 minute test. The fan ramped up to 2000rpm for the duration.
2. Noctua NH-D9L with ARCTIC MX-6: The Artic paste dropped my idle temp down a bit to 34C to 36C. All other tests had the same results as the 1st test.
3. Thermalright PA with TF7: Got a really nice drop here down to 28C to 30C idle with the fans spinning at 720 rpm. When running Cinebench it did eventually get to the 100C throttle, but it was about 5 minutes into the 10 minute test before it did. The temp was generally bouncing around 90C throughout the test. The 2 fans got up to 1550 ish rpm and were much quieter than the single Noctua fan.
4. Thermalright PA with ARCTIC MX-6: The change in paste had no effect on thermals or fan speeds over the TF7.

Bonus: I replaced the 2 fans that came with the Thermalright PA with 2 be quiet! Pure Wings 3 120mm Quiet PWM I ordered for a case. This had no effect on the thermals but the fan speeds are slightly slower at 700 rpm idle and 1500 rpm under Cinebench. More importantly, they run noticeably quieter. Under standard use I cannot hear them at all.

Takeaway 1: For $35 the Thermalright PA is a fantastic cooler and the larger dual fans make it quieter than the Noctua NH-D9L. I do like the size of the NH-D9L but for a gaming system the Thermalright PA will be my new go to.

Takeaway 2: CPU Grease makes much less of a difference than I thought. Maybe it is just the ones I tried but the reviews on the Artic MX-6 were stellar yet it barely did better than the Noctua NT-H1 that came with the cooler and didn’t do any better than the TF7 that came with the Thermalright PA. Save your money here and use it to buy better fans.

CPU is an Intel i7-14700kf on a GIGABYTE Z790 Eagle AX Motherboard with an 850 watt EVGA Power Supply if you want to know.
Gloria Mendelssohn
5.0 out of 5 stars Muy buen disipador por el precio.
Reviewed in Mexico on January 31, 2023
Verified Purchase
Lo que me encanta de este disipador es que no es ruidoso comparado con otros sistemas de refrigeración por aire. En mi opinión personal el único problema que tiene es el color que no es mucho de mi agrado, pero realmente no es un gran problema estético.

Cumple muy bien con su función y eso es lo que cuenta, lo demás pasa a un ínfimo segundo plano.
Ben
5.0 out of 5 stars An Exceptional Cooler
Reviewed in the United Kingdom on August 4, 2019
Verified Purchase
If you're like me and are getting this to replace a stock cooler. Wow, the temps are amazing and I can turn all my fans down such that my PC is silent.
rené Martens
5.0 out of 5 stars livraison tres rapide
Reviewed in France on November 18, 2018
Verified Purchase
conforme a l'anonce
Ben
5.0 out of 5 stars Amazing for rack mounted systems
Reviewed in Australia on February 23, 2023
Verified Purchase
This is a great little tower cooler that solves the problem of low profile coolers that can't pull enough heat out, and larger towers that won't fit in a rack mount case. I've got this installed in a 4u rack with an overclocked cpu running pretty intensive workloads and it's running at 63 degrees max with 100% cpu utilisation. It's silent, and would easily fit in a 3U system.