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NH-U12DO A3

  • For AMD Opteron (Socket G34, C32, F)
  • Outstanding quiet cooling performance for workstations and servers
  • 2x NF-P12 120mm premium fan
  • Incl. Noctua NT-H1 high-end thermal compound
NH-U12DO A3

NH-U12DX i4

  • For Intel Xeon LGA2011 (Square ILM & Narrow ILM), LGA1356, LGA1366
  • Outstanding quiet cooling performance for workstations and servers
  • NF-F12 PWM 120mm premium fan
NH-U12DX i4

NH-U9DO A3

  • For AMD Opteron (Socket G34, C32, F)
  • Outstanding quiet cooling performance for 4U workstations and servers
  • 2x NF-B9 92mm premium fan
  • Incl. Noctua NT-H1 high-end thermal compound
NH-U9DO A3

NH-U9DX i4

  • For Intel Xeon LGA2011 (Square ILM & Narrow ILM), LGA1356, LGA1366
  • Outstanding quiet cooling performance for 4U workstations and servers
  • 2x NF-B9 PWM 92mm premium fans
NH-U9DX i4

NH-D9DX i4 3U

  • For Intel Xeon LGA2011 (Square ILM & Narrow ILM), LGA1356, LGA1366
  • Outstanding quiet cooling performance for 3U workstations and servers
  • NF-A9 PWM 92mm premium fans
NH-D9DX i4 3U

Buying guide: Which Noctua CPU cooler should I buy?

Noctua offers a wide selection of CPU coolers for various demands and purposes. Use the following criteria to select the model that works best for you:

  1. CPU socket: Which CPU socket are you using? Select a cooler model that fits your socket using our socket compatibility chart.
  2. Motherboard: Which motherboard are you using? Select a cooler model that fits your motherboard using our motherboard compatibility list.
  3. CPU TDP (Thermal Design Power), overclocking and noise: Which CPU are you using? Do you want to overclock? Do you want your system to run as quietly as possible?
    As a rule of thumb, the bigger a cooler is, the bigger is its cooling performance: Whereas some of our compact, low-profile cooler models are only suitable for lower TDP CPUs, the bigger models are ideal for high TDP CPUs and overclocking.
    Also note that cooling performance and noise go hand in hand: By choosing a cooler that offers plenty of performance headroom for your CPU, you will be able to run the fan(s) at very low speeds and noise levels. By contrast, if you choose a cooler that will be fully maxed out by your CPU, the fans will run at higher or maximum speeds more often when your CPU is under full load.
    Please refer to our TDP guidelines for detailed information and select a cooler that fits your CPU’s TDP class, possible overclocking ambitions and demands on quietness of operation.
  4. Case compatibility and cooler height: Different PC cases offer different amounts of clearance for CPU coolers. Please refer to the case manufacturer’s website to check the specified clearance for CPU coolers or measure the clearance if you already have the case at hand. You can then select a cooler that will fit your chassis using our TDP & cooler height guidelines or by referring to the height specifications on the individual product pages of our website.
  5. RAM compatibility: With some of our bigger cooler models, either the heatsink itself or one of the fans may overhang the RAM slots on some motherboards. This is not a problem with standard height RAM modules (up to 33mm), so as long as you stick to these, you won’t have to worry about RAM compatibility at all. It can, however, limit the compatibility with memory modules that feature taller heat-spreaders (more than 33mm height). If you would like to use RAM with taller heat-spreaders, please check our remarks regarding RAM height restrictions in the cooler descriptions and choose an appropriate cooler model. For example, the NH-D15S is compatible with RAM modules of up to 64mm height, and popular models such as the NH-U12S, NH-U9S and NH-D9L are compact enough not to overhang the memory slots at all and thus offer 100% compatibility with RAM modules of any height.
  6. PCIe compatibility: On some motherboards, bigger coolers may overhang the top PCIe slot. Note that this depends both on the size of the cooler and on the location of the CPU socket and top PCIe slot on the motherboard. For example, coolers with 120mm or 92mm size fans generally don’t overhang the top PCIe slot on ATX or µATX size motherboards. On ITX motherboards, where the CPU socket is often closer to the PCIe slot, coolers with 120mm size fans may overhang the slot. Please refer to our motherboard compatibility list to check which coolers overhang the top PCIe slot on a given motherboard. Models such as the NH-U9S, NH-D9L, NH-L9x65 and NH-L9i are compact enough not to overhang the top PCIe slot on any motherboard and thus offer full compatibility in all cases.
  7. Popular choices and recommendations: Still undecided? Here’s a list of our most popular models that have proven to work extremely well for the vast majority of users:
    • NH-D15: our flagship model, providing the best possible performance for overclocking and silent-enthusiasts. Check case, memory and PCIe compatibility though.
    • NH-D15S: performs very close to the NH-D15 but offers full compatibility with RAM modules up to 64mm height and has hardly any PCIe compatibility restrictions on ATX and µATX size motherboards.
    • NH-U12S: excellent quiet cooling performance for up to 140W TDP and moderate overclocking, 100% RAM compatibility and 100% PCIe compatibility on ATX and µATX size motherboards.
    • NH-U9S: good quiet cooling performance for up to 140W TDP, mild overclocking with lower TDP CPUs, only 125mm height, 100% RAM compatibility and 100% PCIe compatibility on ITX, ATX and µATX size motherboards.

Still unsure which model to buy? If you have any further questions, please feel free to contact us at support@noctua.at.

TDP guidelines & cooler height

Noctua does not specify the performance of its heatsinks in terms of maximum possible heat dissipation because the question of how much Watt (W) a heatsink can dissipate depends on various parameters such as the type and shape of the heat source, contact quality, contact pressure, thermal interface material application, ambient temperature, etc. As a result, the maximum possible heat dissipation value varies from platform to platform and between individual systems. 

Please refer to the following table for how much Watt of Thermal Design Power (TDP) Noctua‘s heatsinks support on different platforms and how much overclocking (OC) headroom a given model will offer.

The indicated W value refers to the maximum recommended Thermal Design Power (TDP) as specified by the CPU manufacturer.

The overclocking headroom (OC) is specified as follows:
*** = best overclocking potential
** = medium overclocking potential
* = low overclocking potential

If no OC headroom is specified, Noctua does not recommend to use this cooler for overclocking CPUs with the indicated maximum TDP. CPUs with lower TDP can be slightly overclocked but the overclocking potential will be low. 


Maximum recommended Thermal Design Power (TDP) & Overclocking (OC) headroom
         
   
Intel
AMD
 
Cooler height
LGA2011 (LGA2011-0, LGA2011-3)
LGA115x (LGA1150, LGA1151, LGA1155, LGA1156)
AM2(+), AM3(+)
FM1, FM2(+)
165mm
140W & OC***
95W & OC***
220W
100W & OC***
160mm
140W & OC***
95W & OC***
220W
100W & OC***
160mm
140W & OC***
95W & OC***
220W
100W & OC***
160mm
140W & OC***
-
-
-
165mm
140W & OC**
95W & OC***
220W
100W & OC***
158mm
140W & OC*
95W & OC**
140W & OC*
100W & OC**
125mm
140W
95W & OC*
125W
100W & OC*
110mm
140W
95W & OC*
125W
100W & OC*
115/142mm
140W & OC*
95W & OC**
140W & OC*
100W & OC**
93mm
66mm
65mm
37mm
-
-
-
37mm
-
-
 

"-" indicates that the CPU platform is not supported by this cooler. See our socket compatibility chart for details on mechanical socket compatibility.

CPU temperatures depend on various different factors, so please take note of the explanations below and keep in mind that our recommendations can only serve as general guidelines for typical setups. 

1) Our recommendations are based on an ambient temperature of 25°C or less. Please ensure good case ventilation when ambient temperature is 30°C or more.

2) Our recommendations assume that the cooler is installed in a typically equipped, properly ventilated system. If you are using particularly hot components inside your system, it may be necessary to use stronger case ventilation to ensure sufficient CPU cooling performance.

3) Our recommendations assume that the fan is used with PWM control (configured so that it can speed up to 100% when necessary) but without the supplied Low-Noise Adaptor. If you would like to use the coolers with the supplied Low-Noise Adaptors, the maximum recommended TDP and/or overclocking headroom will be lower. As a rule of thumb, overclocking headroom will be reduced by one star when using Low-Noise-Adaptors. If no overclocking headroom is specified, please choose a CPU with a lower TDP if you want to use Low-Noise Adaptors.

This chart provides information about the basic mechanical compatibility of our coolers with CPU sockets complying to the official Intel or AMD specifications. Please note that irrespective of the basic mechanical compatibility with a given socket and depending on the individual configuration, certain mainboards or other components may pose problems. The fact that the cooler is mechanically compatible with a given socket thus provides no guarantee that it can be used on each system that is based on this socket. This also includes the possibility that some processors' power dissipation may exceed the capacity of compact cooler models (e.g. NH-L9, NH-L12 or, in some cases, NH-U9 series). Please thus take note of our TDP (Thermal Design Power) recommendatons for smaller cooler models and always consult our extensive compatibility lists and FAQs that provide detailed compatibility information for individual mainboards and other components. In case of doubt, please contact our support team

 
INTEL
AMD
 
LGA2011-0
LGA2011-3
LGA115x (LGA1150, LGA1151, LGA1155, LGA1156)
LGA1366
LGA775
Xeon LGA2011 Narrow ILM
Xeon LGA1366 & LGA1356
AM2(+), AM3(+), FM1, FM2 (+)
AM4
Opteron C32, F(3.5“)
Opteron G34, F(4.1“)
*subject to charges (not eligible for Noctua's free mounting kit offer)

Discontinued products

 
INTEL
AMD
 
LGA2011-0
LGA2011-3
LGA115x (LGA1150, LGA1151, LGA1155, LGA1156)
LGA1366
LGA775
Xeon LGA2011 Narrow ILM
Xeon LGA1366 & LGA1356
Xeon LGA771 & 604
AM2(+), AM3(+), FM1, FM2 (+)
AM4
Opteron C32, F(3.5“)
Opteron G34, F(4.1“)
*subject to charges (not eligible for Noctua's free mounting kit offer)

Disclaimer:
We create and update our compatibility lists with the utmost care. Unfortunately, mainboard manufacturers tend to change certain components and heatsinks without pointing it out by using corresponding revision names. If you run into problems while installing our coolers on one of the mainboards listed as being compatible, please don't hesitate to contact our support team at support@noctua.at.

Please also keep in mind that other components such as narrow or small cases as well as memory modules with special (higher) heat-spreaders can cause compatibility-issues.

For use in systems from Dell, HP or Lenovo, please note this FAQ.

Disclaimer:
We create and update our compatibility lists with the utmost care. Unfortunately, mainboard manufacturers tend to change certain components and heatsinks without pointing it out by using corresponding revision names. If you run into problems while installing our coolers on one of the mainboards listed as being compatible, please don't hesitate to contact our support team at support@noctua.at.

Please also keep in mind that other components such as narrow or small cases as well as memory modules with special (higher) heat-spreaders can cause compatibility-issues.