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Noctua > 
Item#: N82E16835608040

Noctua NH-U12S 120x120x25 ( NF-F12 PWM) SSO2-Bearing ( Self-stabilising oil-presure bearing ) CPU Cooler

  • NH-U12S will not overhang the RAM slots even w/ 2 fans installed
  • Standing 158mm tall, short enuf to fit most modern mid-/high-end tower case
  • PWM automatic speed control
  • Low-Noise Adaptor

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

With superb performance, high compatibility and quiet operation, the Noctua NH-U12S is a critically acclaimed, award-winning CPU cooler great for overclockers and DIY professionals. It features single tower design with copper heatpipes, and class-leading NF-F12 FocusedFlow fan with PWM support for fully automatic speed control, assuring you peace of mind with quiet and efficient cooling. Its 45mm slim shape guarantees full compatibility with tall RAM modules, and 125mm width means the cooler won't protrude too much thus you can install VGA card on the first PCIe slot hassle-free. The included NT-H1 thermal grease is also professional grade with maximum heat conductivity and ease of application. Plus, the SecuFirm2 multi-socket mounting system is compatible with both AMD and Intel platforms, of previous, current and even future generation, making it a solid investment that can live on till your next two or three builds.

Award-Winning NH-U12 Series

General information

The NH-U12S is the latest version of Noctua’s award-winning NH-U12 coolers. First introduced in 2005, the NH-U series has become a standard choice for premium quality quiet CPU coolers and won more than 400 awards and recommendations from leading international hardware websites and magazines.

100% RAM Compatibility

General information

Thanks to its slim design with only 45mm fin depth, the NH-U12S will not overhang the RAM slots even with two fans installed. This gives the user full access to the memory modules on all current CPU sockets and guarantees 100% compatibility with tall heatspreaders or optional memory fans.( Some AMD mainboards violate the 96x114mm keep-out zone specified by AMD, so the NH-U12S can only be used with RAM modules of up to 40mm height on these boards.)

Classic 120mm Tower Size for Excellent Overall Compatibility

General information

Standing 158mm tall, the NH-U12S is short enough to fit most modern mid- or high-end tower cases. Measuring 125mm wide (including fan and fan clips), the cooler stays clear of the top PCIe slot on standard ATX or Micro-ATX motherboards, ensuring best compatibility with SLI and CrossFire setups.

NF-F12 120mm Focused Flow fan

General information

Recommended by more than 150 hardware publications and thousands of enthusiasts world-wide, the Noctua’s premium quality NF-F12 Focused Flow™ 120mm fan is renowned to combine superb static pressure, excellent heatsink performance and surprising quietness of operation.

PWM Support and Low-Noise Adaptor

General information

The NF-F12 120mm fan supplied with the NH-U12S supports PWM for convenient automatic speed control through the mainboard. In addition, the maximum fan speed can be reduced from 1500 to 1200rpm using the supplied Low-Noise Adaptor for even quieter operation.

Anti-vibration Pads and Fan-Clips for Second NF-F12 (Optional)

General information

For users who want to achieve even better performance by adding a second, optional NF-F12 fan to create a push/pull setup, the NH-U12S includes fan clips and an extra set of custom-designed anti-vibration pads that allow to off-set the rear fan by 5mm to improve acoustics in dual-fan mode.

SecuFirm2 Mounting System

General information

Noctua’s SecuFirm2 mounting systems have become synonymous with quality, safety and ease of use. Supporting Intel LGA115x (LGA1150, LGA1155, LGA1156), LGA2011 and AMD (AM3+, AM2+, FM1, FM2, FM2+), the SecuFirm2 mounting included with the NH-U12S guarantees perfect contact pressure and maximum convenience on all current sockets.

Compatibility with Past and Future Sockets

General information

Complying with the open SecuFirm standard, the NH-U12S 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.

NT-H1 Thermal Compound

General information

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.

Learn more about the Noctua NH-U12S

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 6 years
  • Limited Warranty period (labor): 6 years
  • Read full details

Customer Reviews of the Noctua NH-U12S

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  • Gregory H.
  • 5/25/2016 6:13:58 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAnother awesome Noctua product

Pros: Qualty feel to it
Packaged beautifully
Lots of accessories
Easy to install
Meeps my i5 6600 nice and cool

Cons: None at all.

Other Thoughts: Definitely recommended
Solid buy
Cant go wrong with Noctua
Used it on an i5 6600 as well as an i7 6700K overclocked to 4.4GHz. Performed admirably.

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  • Jimmy
  • 5/15/2016 2:13:44 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat cooling, quiet operation and very high quality construction!

Pros: It provides great cooling and very quiet operation. I can barely hear the fan below 1000RPM and the mounting method was extremely clear and easy. The heatsink fins don't bend as easily compared to other heatsinks I have used before and the slim factor gives more RAM clearance and exhaust compatibility.

Cons: A bit expensive but it was worth it!

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  • Anonymous
  • 4/27/2016 9:29:04 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsfirst time installing heatsink

Pros: easy install for first timer

Cons: none

Other Thoughts: ive only worked with stock coolers. installing this was really no different. it was too easy!

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  • ANDY R.
  • 3/29/2016 11:45:08 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBetter than I expected

Pros: **Significantly cools an i7-4790K. Temps for Folding at Home were mid 80s and Prime95 at 100. After installing this temps for FAH was low 50s and Prime95 was low 60s.
**Quiet fan. The only time I hear it is when the Fan RPM is over 1000 under load. During normal operation you cannot hear it at all.
**Comes with one fan and a second fan can be installed

Cons: **I'm not a fan of the colors but this is being nit picky
**Not for overclocking

Other Thoughts: Installation is easy enough to figure out. For the Intel CPUs you have to unmount your mobo to install the back plate. If you have a case that has the rear case motherboard cutout you won't need to dismount the mobo. Make sure you have a case that will support the heatsink's height. I would highly recommend this heatsink to those looking for an air and quiet solution. It's definitely not for those looking to overclock though. For the i7-4790k simply overclocking it to 4.4GHz brought back the high temps the Intel heatsink was providing.

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  • Alexander S.
  • 3/19/2016 9:19:11 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsQuiet!!

Pros: Easy to install
Keeps my CPU cool - 40-50C at normal load and up to 75C under stress

Cons: none

Other Thoughts: I would recommend this product

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  • 3/15/2016 3:13:12 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBuilt with Quality.

Pros: You get a Noctua fan (that's a big plus). Heat sink actually has decent thermal transfer. Fits many CPU types. Very quiet.

Cons: Ugly. A little heavy. Only fits into full-width cases.

Other Thoughts: Highly recommended. This went into a gaming rig to cool an Intel i7-5930K 140W CPU. It does so with ease.

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  • Ed M.
  • 3/9/2016 5:46:57 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsImpressive packaging, but it ends there

Pros: - well packaged
- excellent installation instructions
- easy to install
- it fit in my Fractal Design R5 case, but just barely. This case is wider than most cases at 9" but it uses more than normal space behind the MB.

Cons: - BIG!
- Thermal paste was hardened rock solid making it unusable. Without thermal paste I couldn't install. I got a replacement that was okay.

Other Thoughts: - I haven't built a new machine in years. Since I couldn't install the unit I can't comment on its cooling ability (i7-6700K CPU). Greatly disappointed I have to wait to build my new computer just because of the solid, unusable thermal paste. A $7 item stopping the build of a $1,000 machine. I RMA'd the unit and ordered a new one. Hopefully the thermal paste will be good in the new one. I contacted Noctua support but got no answer as of this review.

I was able to install the replacement unit. I'm not impressed with the cooling ability. I'm running an i7-6700K with no OC on an ASUS Sabertooth Z170 S MB in a Fractal Design R5 case. CPU runs about 34 degrees C at idle but temp rises very quickly under load. Under full load using the AIDA64 stability test, CPU temp stabilized at 43 C but individual cores averaged in the high 70's. Fortunately I don't expect heavy usage at that level so the cooler will be good enough.

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  • James M.
  • 2/29/2016 11:09:57 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSolid CPU Cooler

Pros: - Super quiet, even at full speed.
- Short enough to fit a mid sized ATX case.
- Decent price for the quality.

Cons: - In the box instructions were lacking, but still gave it 5 stars because the Noctua website makes up for it.
- Fan does not indicate on it which direction the fan pushes the air, be sure to test it before you finish your computer build.

Other Thoughts: - If you are looking to overclock your CPU, this is a good mid level choice.
- Be sure to check the max CPU fan size your computer case will take.

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  • Richard W.
  • 2/13/2016 11:58:25 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsGreat Looking Product with Exception

Pros: -solid construction
-premium fan, the color grows on you once you see it in person
-six heat pipes
-well packaged
-a great overall product if they can work on their quality control

Cons: Hearing so much about their quality I was very disappointed to find bent fins on the bottom right corner opposite the side on which the fan was mounted. The shipping and manufacturer's boxes were not damaged which tells me it came from their facility in this condition.While it doesn't seem like the fan's performance will suffer much if at all, it wasn't something I expected from a company like Noctua given their reputation. Since I it may not affect temps much, it isn't worth the hassle of returning time but I'll be more likely to shop other brands in this bracket now. If an entry level cooler that costs less than half as much can arrive without damage, so should one from a company such as Noctua.

Other Thoughts: I have three more builds to complete this and I'll likely go with a premium fan and heat sink from another company.

1 out of 2 people found this review helpful. Did you? Yes No

  • Edward W.
  • 1/25/2016 8:33:10 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice Cooler!

Pros: Very easy install. Makes things cooler :)

Cons: None

Did you find this review helpful? Yes No

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Item#: N82E16835608040
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