Noctua recently released the NH-U12S Redux which is a centralized and affordable variation of the renowned NH-U12S. People regularly comordinary around the price of Noctua"s assets however the NH-U12S Redux retails for $50 which provides it much even more affordable than the consistent NH-U12S that sells for $70.In order for Noctua to hit the $50 price-suggest, they had to make a couple of compromises in the design of the cooler and also likewise omit some of the extra accessories that usually come in package when you buy a Noctua product.

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First, the NH-U12S Redux comes through 4 heatpipes versus the 5 in the NH-U12S and also the heatpipes in the Redux are not soldered to the fins. Having the heatpipes soldered to the fins enables the cooler to quickly transfer the warmth away. Unprefer the consistent NH-U12S which ships with an NT-H1 thermal compound, the NH-U12S Redux does not come with an NT-H1 thermal compound yet Noctua has pre-used the thermal paste for a one time usage.Anvarious other distinction in between the two coolers is that the NH-U12S Redux lacks any kind of accessories such as an additional low-noise-adaptor and fan clips for a second fan installation.

It"s rather evident that Noctua released the NH-U12S Redux to complete directly via the famous Cooler Master 212 EVO. From a price-allude perspective, the NH-U12S Redux expenses $10 more but you acquire 6 years of warranty versus 2 years via the CM 212 EVO. If later you need a brand-new mounting kit, Noctua will send you one for cost-free whereas with Cooler Master you will certainly should buy the kit yourself.The fan in the NH-U12S Redux has a life span of 150,000 hrs while the fan of the CM 212 EVO has actually a life expectations of 40,000 hours which is abysmal.Not only that yet the fan in the CM 212 EVO is likewise considerably louder at 36 dBA versus 25 dBA with the NH-U12S Redux.

CPU Cooler ComparisonCoolerNH-U12SNH-U12S ReduxCM 212 EVOPrice$70$50$40Height158mm158mm159mmNumber of heatpipes544Heatpipe size6 mm6 mm6 mmSoldered heatpipes / finsYesNoNoDimensions (mm) (HxWxD)158 x 125 x 71158 x 125 x 71159 x 120 x 80Fan(s)1x NF-F12 PWM1x NF-P12 redux PWM1x 120mm wide-selection PWMMin/Max Fan Speed300 / 1500450 / 1700600 / 2000Noise Rating22,4 dB(A)25,1 dB(A)36 dB(A)Fan Life Expectancy (Hours)150.000150.00040.000Low-Noise AdaptorYesNo (optional with NA-FK1 second fan kit)NoFan clips for second fanYesNo (optional with NA-FK1 second fan kit)YesThermal Compound TubeYesNo (pre-applied for one time use)YesMounting ecosystemSecuFirm2SecuFirm2All-In-One SolutionFree mounting upgradesYesYesNoWarranty6 years6 years2 years

Users who desire to even more enhance the cooling performance of their NH-U12S Redux cooler have the right to purchase an optional NA-FK1 fan kit that retails for $17.The optional fan kit has an NF-P12 redux-1700 PWM fan, 4x NA-AVP2 grey anti-vibration pads, fan mounting clips (one pair), NA-YC1 4-pin PWM y-cable and also 2x NA-RC14 Low-Noise Adaptor (L.N.A).

Noctua"s NH-U12S Redux retains the same heatsink layout as the consistent NH-U12S so that implies you get 100% compatibility with tall RAM modules as well as excellent case and PCIe compatibility.When it comes to the installation, Noctua ships the NH-U12S Redux through SecuFirm 2 mounting kit that makes the installation procedure a breeze. Noctua offers a six year warranty on their products and also has actually a wonderful customer company and they additionally promise a cost-free mounting upgrade kits for all future sockets which is impressive.


The NH-U12S Redux comes through one NF-P12 redux-1700 PWM fan however Noctua has sent us the optional NA-FK1 fan kit which we will certainly usage to test the performance of the cooler in both one and also 2 fan configuration. From a style perspective, the base of the NH-U12S Redux is built with a nickel plated copper and also actions 40 x 38 mm in dimension and also is 4.5mm thick.

The NH-U12S Redux has actually 50 aluminum fins and each fin actions 0.42 mm thick and are approximately spaced 1.7 mm from the next.The dimensions come in at 158 mm x 125 mm x 71 mm (H x W x D) and weighs 755 g via one fan installed.Fin count has actually remained the same in between the redux and the constant version which is nice to view.

Technical Specifications

Heatsink SpecificationsManufactureModelSocket SupportMaterialFan CompatibilityHeatsinkScope of DeliveryWarranty
NH-U12S Redux
Intel LGA2066, LGA2011-0 & LGA2011-3 LGA1200, LGA1156, LGA1155LGA1151, LGA1150 & AMD AM4
Nickel plated Copper (base and also heat-pipes) aluminium (cooling fins)
HxWxD: 158 mm x 125 mm x 45 mm (w/o Fan)HxWxD: 158 mm x 125 mm x 71 mm (w/ Fan)Heatpipes: 4Heatpipe size: 6 mmWeight: 755 g (w/ Fan)
NF-P12 redux-1700 PWM fan4x NA-AVP1 chromax.grey anti-vibration padsFan mounting clips (one pair)NT-H1 high-grade thermal compound (pre-applied)SecuFirm2 mounting kit
6 Years
Fan SpecificationsModelBearingMax. Rotational Speed (+/- 10%)Min. rotational rate (PWM, +/-20%)Max. AirflowMax. Acoustical NoiseVoltage RangeMTBF
NF-P12 redux-1700 PWM
1700 RPM
450 RPM
120,2 m³/h
25,1 dB(A)
12 V
> 150.000 h
NA-FK1 2nd Fan Kit (Optional)ModelConnector & pin-configurationScope of deliveryWarranty
4-pin PWM
NF-P12 redux-1700 PWM fan4x NA-AVP2 grey anti-vibration padsFan mounting clips (one pair)NA-YC1 4-pin PWM y-cable2x NA-RC14 Low-Noise Adaptor (L.N.A)
6 years

Packaging & Accessories


The NH-U12S Redux is packaged very well and Noctua"s packaging has actually always been top-notch and also this time it"s no exception. The box lists every one of the indevelopment you should know around the cooler such as the cooler specifications, socket compatibility, fan specifications, and so on.Noctua makes use of the redux shade system on their packaging which looks really great.


In the box you will find the cooler itself through a NF-P12 redux-1700 PWM fan pre-attached, four NA-AVP1 chromax.grey anti-vibration pads, fan mounting clips (one pair) and Noctua"s SecuFirm2 mounting kit.Noctua puts the accessories and also mounting hardware in a separate box from the cooler which renders it straightforward to discover things.


Here we can see the NT-H1 thermal paste which has actually been pre-applied for a one time use. I recommend buying Noctua"s NT-H1 3.5g thermal paste which costs $8 bereason you don"t want to be without a thermal paste if you decide to upgrade your CPU or maybe re-paste the CPU to boost the temperature. I generally re-paste my CPU after a year of intake and I constantly alert enhancements in temperature.


Like I pointed out before, the NH-U12S Redux has actually 50 aluminium fins via each one being 0.42mm thick.


The packaging of the optional NA-FK1 fan kit is additionally really great. Inside you will certainly uncover the NF-P12 redux-1700 PWM fan, 4x NA-AVP2 grey anti-vibration pads, fan mounting clips (one pair), NA-YC1 4-pin PWM y-cable and also 2x NA-RC14 Low-Noise Adaptor (L.N.A). I would certainly have desired if Noctua had actually also contained their NT-H1 thermal tube to make the NA-FK1 a perfect product all-around.

Test Methodology

Test SetupProcessorMotherboardRAMGraphics CardStoragePower SupplyHeatsinkOSThermal CompoundCaseAmbient TempSoftware
AMD Ryzen 7 5800X all-core oc"d 4.8Ghz (1.35v)
Ballistix Elite 16GB (2x8GB) DDR4 3800 MHz
Nvidia GeForce RTX 3070 FE
Samsung 970 Evo Plus 1TB
Seasonic Focus Plus 750W Gold
Noctua NH-U12S ReduxNoctua NH-U12SNoctua NH-U14SNoctua NH-D15Noctua NH-D15SCooler Master Hyper 212 EVOCorsair H100i ProThermalappropriate True Spirit 140NZXT Kraken X62
Windows 10 Pro 64-Bit (20H2)
Noctua NT-H1
Open bench
20°C / 68°F
CPU-Z, HWiNFO64, Blender

The coolers provided above were tested via our regular device setup and also that is with the Ryzen 5800X all-core overclocked to 4.8Ghz at 1.35 volts. The experimentation is done with an ambient temperature of ~20°C / 68°F and the coolers are run with their fan speeds at default. HWiNFO64 will be provided to monitor the temperature of the CPU and Blender will be supplied to benchmark the CPU. Keep in mind that there"s constantly a 1-2°C margin of error once measuring the temperature.

Noise Levels In dBALawn MowerVacuum CleanerCity TrafficConversationAir ConditioningFloor FanElectric HumRefrigerator HumRustling LeavesPin Falling
90 dBA
80 dBA
75 dBA
65 dBA
60 dBA
50 dBA
45 dBA
40 dBA
30 dBA
15 dBA

Idle temperatures will be measured after leaving the computer idle for 10 minutes and also CPU-Z will be used to verify the CPU speed and the voltage being provided in Windows 10. Also, the coolers are tested through the default settings permitted in the BIOS (Global C-States, Cool"n"Quiet, etc).We will meacertain the noise levels in idle and also pack by using a dBA meter which we will certainly suggest at the computer at a distance of ~50 cm / 20 inch.

Thermal Performance Results

CPU Cooler Idle TemperatureCoolersIdleNZXT Kraken X6232°CCorsair H100i Pro32°CNoctua NH-D1532°CNoctua NH-D15S32°CNoctua NH-U14S32°CNoctua NH-U12S33°CNoctua NH-U12S Redux (2 fans)33°CThermalRight True Spirit 14033°CNoctua NH-U12S Redux (1 fan)34°CCM Hyper 212 EVO34°C

Looking at the table above, we can view that pretty much all the coolers perdeveloped roughly the exact same in idle mode offered a 1-2°C margin of a error.

CPU Cooler Load TemperatureCoolersLoadNZXT Kraken X6274°CCorsair H100i Pro76°CNoctua NH-D1576°CNoctua NH-D15S77°CNoctua NH-U14S78°CNoctua NH-U12S81°CNoctua NH-U12S Redux (2 fans)81°CThermalRight True Spirit 14083°CNoctua NH-U12S Redux (1 fan)83°CCM Hyper 212 EVO85°C

With two fans on, the NH-U12S Redux percreated the same as the constant NH-U12S which just has actually one fan so the second fan in the Redux was able to lower the temperature by around two Celsius. Even through a solitary fan on, the NH-U12S Redux still performed much better than the Cooler Master Hyper 212 EVO.

Noise Level Results

CPU Cooler Idle Noise LevelCoolersIdleNoctua NH-U12S32 dBANoctua NH-D15S32 dBANoctua NH-U14S32 dBANoctua NH-U12S Redux (1 fan)32 dBANoctua NH-D1533 dBANoctua NH-U12S Redux (2 fans)33 dBAThermalRight True Spirit 14033 dBACM Hyper 212 EVO34 dBANZXT Kraken X6235 dBACorsair H100i Pro36 dBA

In idle mode, the NH-U12S Redux with a single fan is about 2 dBA quieter compared to the Cooler Master Hyper 212 EVO and with 2 fans on, it becomes 1 dBA quieter.

CPU Cooler Load Noise LevelCoolersLoadNoctua NH-U12S38 dBANoctua NH-D15S39 dBANoctua NH-U14S39 dBANoctua NH-U12S Redux (1 fan)40 dBAThermalRight True Spirit 14040 dBANoctua NH-D1541 dBANoctua NH-U12S Redux (2 fans)41 dBACM Hyper 212 EVO43 dBANZXT Kraken X6246 dBACorsair H100i Pro48 dBA

Under pack, the NH-U12S Redux through one fan is around 3 dBA quieter than the CM 212 EVO and through two fans, it is 2 dBA quieter which is exceptional.


The Noctua NH-U12S Redux is a good budobtain cooler that performs much better than the completion while being a lot quieter. In our tests we experienced the NH-U12S Redux outperform the Cooler Master Hyper 212 EVO in both thermal performance and also noise levels.Noctua"s excellent customer business and 6 years warranty on their assets renders the NH-U12S Redux worth paying $10 more versus the CM Hyper 212 EVO.With Noctua you are likewise obtaining cost-free mounting kits for all future sockets however through Cooler Master you will need to pay $5 for the mounting kit.One excellent thing around the CM 212 EVO is that it comes through a thermal compound tube which the NH-U12S Redux lacks.

If you decide to buy the optional NA-FK1 second fan kit to better boost the cooling performance, you have the right to expect a two level Celsius drop in temperature. The NA-FK1 kit retails for $17 which is well worth it if you are looking to squeeze added performance out of your CPU.Even via one fan the NH-U12S Redux performs great and it is relatively quiet under real-life usage. Because the NH-U12S Redux lacks a thermal compound tube, I really think that Noctua need to encompass their NT-H1 tube in the optional NA-FK1 kit to make the NA-FK1 a much more compelling product.

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Pros:+ Affordable+ Build Quality+ Quiet Fan+ Easy Installation+ Great Packaging+ 6 Year Warranty+ Extra Fan Kit Is Affordable+ High RAM CompatibilityCons:- Lacks Thermal Compound TubeOverall, I think the NH-U12S Redux is a well-priced product and it has actually no troubles at maintaining your CPU nice and also cool at stock settings. It provides excellent cooling performance while providing high RAM and also video card clearance. The installation procedure is a walk in the park many thanks to Noctua"s SecuFirm2 mounting kit.The NH-U12S Redux is an additional high quality product from Noctua that percreates just as you would suppose. We extremely recommend the NH-U12S Redux to anyone who"s in search of a budget quality cooler. With all that being said, we are proud to provide the Noctua NH-U12S Redux our Recommended Award.