CPU coolers / Compare

Noctua NH-U9S vs Scythe Mugen 6

A

Product A: Noctua

NH-U9S

29 of 54 known

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B

Product B: Scythe

Mugen 6

26 of 54 known

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Only differences

ANoctua NH-U9S

BScythe Mugen 6

General

5 of 12 differ

Series

NH-U91Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026The text says the NH-U9S stems from Noctua's NH-U9 series.

Mugen1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026Product name MUGEN6, the sixth generation of the Mugen line. The Black Edition and the White ARGB edition are separate two-fan models.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

NH-U9S, NH-U9S chromax.black2Retailer pagequietpc.com/nh-u9sRead 15 October 2026Noctua gives no separate model codes. The model names are NH-U9S and NH-U9S chromax.black.

SCMG-60001Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026Model SCMG-6000. The Black Edition is SCMG-6000DBE and the White ARGB edition SCMG-6000DWR, both separate models with two fans.

GTIN / EAN

4716123315575, 90100180002522Retailer pagequietpc.com/nh-u9sRead 15 October 2026EAN barcode 4716123315575 for the NH-U9S. The chromax.black EAN is on its own page.3Retailer pagequietpc.com/nh-u9s-ch-bkRead 15 October 2026EAN barcode 9010018000252 for the NH-U9S chromax.black. Assmann's product PDF carries the same EAN.4Maker spec sheet (PDF)cdn.inet.se/pdf/6308879_0.pdfRead 15 October 2026Noctua datasheet copy hosted by inet.se: EAN-No. 4716123315575 and UPC 842431012463.6Retailer pageassmann.com/product-pdf/aat/4716123315575Read 15 October 2026EAN 4716123315575.7Retailer pageassmann.com/product-pdf/aat/9010018000252Read 15 October 2026EAN 9010018000252.

45712250589621Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026JAN 4571225058962. Several retailers list the same EAN. BuildCores shows other UPC codes for the same part number, which are not stored because no source pairs them with this exact model.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

12 November 20148Press articlepcper.com/2014/11/noctua-announces-three-new-92mm-cpu-coolers-with-pwm-fansRead 15 October 2026Noctua announced the NH-U9S on 12 November 2014 (Vienna press release).

1 February 20245Press articlekitguru.net/components/cpu/joao-silva/scythe-launches-new-generation-of-mugen-cpu-coolersRead 15 October 2026KitGuru article of 2024-02-01 announcing the Mugen 6 and the Mugen 6 Dual Fan Black Edition. It is the earliest article found.

Status

Available15Retailer pageldlc.com/en/product/PB00181734.htmlRead 15 October 2026Listed as in stock on the access date. LDLC first referenced the product on 19 Jan 2015.

Available7Reviewfunkykit.com/reviews/cooling/scythe-mugen-6-and-mugen-6-dbe-high-performance-cpu-coolers-reviewRead 15 October 2026The review of 2024-06-20 shows USD 46.99 at the maker's US store, in stock. See the TalosPC source for the access date.8Retailer pagetalospc.com/product/scythe-mugen-6-cpu-coolerRead 15 October 2026Price tracker page with an Amazon price of $33.41, updated 2026-10-14. The same $33.41 Amazon price is in Tom's Hardware's review widget. The Scythe Japan site files this model under discontinued products, so the status is for the US market.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$59.98Press articlepcper.com/2014/11/noctua-announces-three-new-92mm-cpu-coolers-with-pwm-fansRead 15 October 2026Noctua's suggested retail price for the NH-U9S is USD 59.90. Tax treatment is not stated.9Reviewguru3d.com/review/noctua-nh-d9l-and-nh-u9s-cpu-cooler-review/page-11Read 15 October 2026The same pricing section: USD 59.90.

$46.996Reviewtomshardware.com/pc-components/air-cooling/scythe-mugen-6-and-mugen-6-black-edition-reviewRead 15 October 2026Spec table, which the article says is straight from Scythe: MSRP $46.99 for the Mugen 6 and $54.99 for the Black Edition. The review is dated 2024-04-02. Tax is not stated.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€54.94Maker spec sheet (PDF)cdn.inet.se/pdf/6308879_0.pdfRead 15 October 2026MSPR 54.90 EUR on the datasheet. Tax treatment is not stated.9Reviewguru3d.com/review/noctua-nh-d9l-and-nh-u9s-cpu-cooler-review/page-11Read 15 October 2026Pricing section: manufacturer suggested retail price NH-U9S EUR 54.90 / USD 59.90. HEXUS prints the same figures from the press release. Whether VAT is included is not stated.

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

Not available

ColoursiThe maker's own colour names

Brown, Black3Retailer pagequietpc.com/nh-u9s-ch-bkRead 15 October 2026The text calls it an all-black version with a black coated heatsink, black fan, black fan clips and black mounting parts.

Silver1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026Heatsink is silver (single fan model).

Cooler typeiAir is a heatsink with fans that sits on the CPU. AIO liquid is a sealed all-in-one liquid cooler with a pump block, tubes and a radiator.

Air1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Air cooler: a heatsink with one NF-A9 fan.

Air1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026

Air cooler layoutiAir coolers only. Top-flow covers low-profile coolers whose fan blows down onto the board.

Single tower13Reviewenostech.com/noctua-nh-u9s-chromax-black-cooler-reviewRead 15 October 2026Review of the chromax.black: a single-tower compact cooler with 92 mm sizing.

Single tower1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026Side-flow single tower heatsink with one fan.

Rated TDP (claimed)iThe heat load the maker says the cooler handles. Makers do not share one test method, so this is not a measured result. A maker's maximum heat dissipation power counts. Check the maker's CPU compatibility page too.

Not available

Not available

Base materialiThe surface that touches the CPU: the heatsink base or the AIO cold plate. Plating counts, so nickel-plated copper is not copper. Direct-touch heat pipes are the contact surface, so they count as copper unless plating is stated. The direct-contact heat pipes field records the design.

Nickel-plated copper1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Material: copper (base and heat-pipes), aluminium (cooling fins), soldered joints and nickel plating. Guru3D and Relaxedtech state the base is nickel-plated copper.10Reviewguru3d.com/review/noctua-nh-d9l-and-nh-u9s-cpu-cooler-review/page-4Read 15 October 2026Review text: an all copper nickel plated base tied to five heatpipes.12Reviewrelaxedtech.com/reviews/noctua/nh-u9s/1Read 15 October 2026The nickel plated copper base plate measures 40 x 38 mm and is 4.5 mm thick.

Nickel-plated copper1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026The page says a thick copper base plate takes up CPU heat and that the heat pipes are nickel plated. It does not say the base plate is plated. Tom's Hardware and Funky Kit both state a nickel-plated copper base, so nickel_plated_copper is stored.6Reviewtomshardware.com/pc-components/air-cooling/scythe-mugen-6-and-mugen-6-black-edition-reviewRead 15 October 2026Spec table: Nickel Plated Copper Base. Heatsink material aluminum.7Reviewfunkykit.com/reviews/cooling/scythe-mugen-6-and-mugen-6-dbe-high-performance-cpu-coolers-reviewRead 15 October 2026Page 4: the base is made of nickel-plated copper, and the heat pipes are nickel plated.

Thermal pasteiPre-applied means paste is already on the base or cold plate. Included means a separate tube or syringe in the box.

Included1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Scope of delivery: NT-H1 high-grade thermal compound, a tube in the box.

Included1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 20261 g of Thermal Elixir 3 grease and a spatula come in the box.3Owner's manualscythe.co.jp/wp-content/uploads/2024/01/manual_scmg-6000.pdfRead 15 October 2026Item 11 is Thermal Grease and the steps say to apply it to the CPU.

Compatibility

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CPU socketsiSockets the maker lists as supported in its spec table, compatibility list or guide, written as cpu_socket writes them, e.g. AM5 or LGA1851. List each socket on its own, so LGA115x becomes LGA1150, LGA1151, LGA1155 and LGA1156. When the maker names the sockets of such a family, list only the ones it names. A socket that needs a separately sold or requested mounting kit is left out. A new socket that the maker lists with no extra kit counts. LGA2011-v3 and 2011(V3) are written LGA2011-3. Threadripper sockets use AMD's names, so TR4 is written sTR4 and TR5 is written sTR5. sTRX4 and sWRX8 are sockets of their own.

AM5, AM4, LGA1954, LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA11501Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Copy of Noctua's spec table: Intel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150 and AMD AM5, AM4, valid for coolers purchased since Q4 2021. Older tables and the datasheet copies (Assmann, inet.se) list LGA2011, AM3 and others with a backplate, which are not in the current table. LGA1954 comes from the Club386 source.2Retailer pagequietpc.com/nh-u9sRead 15 October 2026Spec table: Intel LGA1851, LGA1700, LGA1200, LGA1150, LGA1151, LGA1155, LGA1156 and AMD AM5, AM4.15Retailer pageldlc.com/en/product/PB00181734.htmlRead 15 October 2026Processor support lists AMD AM4 and AM5 and Intel 1150, 1151, 1155, 1156, 1200, 1700 and 1851.16Press articleclub386.comRead 15 October 2026Article of 2025-11-27 quoting Noctua's FAQ: all Noctua CPU coolers compatible with LGA1851 and LGA1700 are also compatible with Intel's LGA1954, and no additional mounting parts are needed. The NH-U9S is listed for LGA1851 and LGA1700, so LGA1954 is stored.

AM5, AM4, LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150, LGA2066, LGA2011-3, LGA20111Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026Intel 1150, 1151, 1155, 1156, 1200, 1700, 2011, 2011(V3), 2066 and AMD AM4 and AM5. The Japan page was last edited in February 2025 and does not list LGA1851, which the maker's US page adds. 2011(V3) is written LGA2011-3. The 115x family is written out as the four sockets the page names.2Maker product pagescytheus.com/mugen6Read 15 October 2026Intel: LGA 1851 / 1700 / 115x / 1200 / 2011 / 2066. AMD: AM5 / AM4. The text says the H.P.M.S. V mount covers Intel LGA 1851 and AMD AM5. No extra kit is named.3Owner's manualscythe.co.jp/wp-content/uploads/2024/01/manual_scmg-6000.pdfRead 15 October 2026Installation pages: Intel LGA 2066 Square ILM / 2011 (V3) Square ILM, Intel LGA 1700 / 1200 / 1156 / 1155 / 1151 / 1150 and AMD AM4 / AM5, with the parts from the box. The manual dates from 2023 and has no LGA1851 page.

RAM height clearanceiAir coolers only. The tallest memory module that fits under the cooler with all included fans in their standard position. When the maker gives different values per socket, store the lowest and name the others in the source note. A heatsink that does not reach over the memory slots has no height limit, so the field is left out and the maker's statement goes in the source note.

Not available

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Offset mountingiThe included mount can shift the base or cold plate off the socket centre, for example toward the AM5 hotspot. An asymmetric heatsink on a centred base does not count.

Not available

Not available

Heatsink

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Heat pipesiAir coolers only. Number of heat pipes. A U-shaped pipe with two ends in the fins counts as one. A T-shaped pipe with three ends, such as Cooler Master's 3DHP, also counts as one. The maker's count wins over a review or Cybenetics count.

58Press articlepcper.com/2014/11/noctua-announces-three-new-92mm-cpu-coolers-with-pwm-fansRead 15 October 2026The NH-U9S has an asymmetrical design with 5 heatpipes.10Reviewguru3d.com/review/noctua-nh-d9l-and-nh-u9s-cpu-cooler-review/page-4Read 15 October 2026The base is tied to five heatpipes.12Reviewrelaxedtech.com/reviews/noctua/nh-u9s/1Read 15 October 2026Five heatpipes of 6 mm.

61Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026Six 6 mm heat pipes, nickel plated.2Maker product pagescytheus.com/mugen6Read 15 October 2026Heatpipe: 6 mm diameter x 6.6Reviewtomshardware.com/pc-components/air-cooling/scythe-mugen-6-and-mugen-6-black-edition-reviewRead 15 October 2026Six 6 mm copper heat pipes.

Heat pipe diameteriAir coolers only. Outer diameter, such as 6 or 8.

6mm12Reviewrelaxedtech.com/reviews/noctua/nh-u9s/1Read 15 October 2026Review of the NH-U9S: the NH-U9B SE2 had four 6mm heatpipes while the NH-U9S has five 6mm heatpipes.13Reviewenostech.com/noctua-nh-u9s-chromax-black-cooler-reviewRead 15 October 2026The chromax.black has 5x 6 mm copper heat pipes, the same heatsink as the brown model.

6mm1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026

Direct-contact heat pipesiAir coolers only. The heat pipes touch the CPU directly instead of sitting in a solid base plate.

No10Reviewguru3d.com/review/noctua-nh-d9l-and-nh-u9s-cpu-cooler-review/page-4Read 15 October 2026The base is a plated copper plate tied to the heatpipes. No direct-touch pipes are described. Relaxedtech measures the base plate at 4.5 mm thick.12Reviewrelaxedtech.com/reviews/noctua/nh-u9s/1Read 15 October 2026The review describes a separate copper base plate with soldered joints, and no direct-touch pipes.

No1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026A thick copper base plate absorbs the CPU heat, so the heat pipes sit in a base plate and do not touch the CPU. Stored as false.

Liquid cooling

None of 7 known

Radiator sizeiAIO coolers only. The nominal size class from the fan positions, such as 240, 280, 360 or 420.

Not available

Not available

Radiator dimensionsiRadiator without fans. Length runs along the row of fans. Width runs across it. Thickness is the depth the airflow passes through, such as 27 or 38.

Not available

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Radiator material

Not available

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Tube lengthiLength of each tube between the pump block and the radiator, as published. When the two tubes differ, the shorter is stored and the other goes in the source note.

Not available

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Max pump speediHighest rated pump speed. When the maker gives a range, this is its top.

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Pump power connectoriHow the pump gets power. A pump wired through a supplied hub or cable uses the plug at the motherboard or PSU end. A pump powered from SATA with a separate 3-pin speed lead is SATA power.

Not available

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VRM faniA small fan on the pump block that blows over the motherboard voltage regulators.

Not available

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Fans

1 of 2 differ

Included fansiFans in the box that cool the heatsink or radiator, one row per fan model. A VRM fan on the pump block is left out. Speed, airflow, pressure and noise are the maker's figures for one fan at full speed, in the fastest mode and without a low-noise adapter. When a range is published, the top of the range is stored. Count is the number of rotors, so a unified frame with three 120 mm rotors counts 3 with size 120. Min speed is the lowest speed while spinning. A zero RPM stop is not stored. FDB and S-FDB are fluid dynamic. HDB is hydrodynamic. Cooler Master's Loop Dynamic Bearing is loop dynamic. If the maker gives airflow only in m³/h, convert with 1 m³/h = 0.5886 CFM, round to one decimal and say so in the source note. Connector is the fan's power lead. A separate lighting lead is not counted, and a maker cable or adapter in the box that ends in a 4-pin PWM plug counts as 4-pin PWM, even when the fan's own lead is proprietary. For an air cooler with one fan, the maker's noise figure for the cooler is the fan noise. A figure the maker does not label per fan or in total counts as per fan. When a maker table prints noise for the whole cooler with no per-fan label and the maker's own data sheet for the same fan gives a figure, the fan data sheet figure is stored.

ANoctua NH-U9S

Model	Size (mm)	Fans	Min speed (rpm)	Max speed (rpm)	Airflow (CFM)	Static pressure (mmH₂O)	Noise (claimed) (dB(A))	Bearing	Connector
NF-A9 PWM	92	1	400	2,000	46.4	2.28	22.8	SSO or SSO2	4-pin PWM

Source1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Fan specification: Noctua NF-A9 PWM, SSO2 bearing, max 2000 RPM (+/-10%), 1550 RPM with the L.N.A., min 400 RPM at 20% PWM (+/-20%), 78.9 m3/h, 22.8 dB(A) (16.3 dB(A) with the L.N.A.). The standalone NF-A9 PWM listing at QuietPC prints a 450 RPM minimum, and the cooler table's 400 RPM is stored. The page has no static pressure, see QuietPC and the datasheet. The max values are for one fan without the L.N.A.2Retailer pagequietpc.com/nh-u9sRead 15 October 2026Fan table: Noctua NF-A9 PWM, SSO2, 2000 RPM, 400 RPM min, 46.4 CFM (36.8 CFM with the L.N.A.), 22.8 dB(A), RGB No. The page has no static pressure.4Maker spec sheet (PDF)cdn.inet.se/pdf/6308879_0.pdfRead 15 October 2026Fan specifications: NF-A9 PWM, 4-pin PWM, SSO2 bearing, max static pressure 2.28 mmH2O (1.53 with the L.N.A.), 78.9 m3/h, 22.8 dB(A). This is an older copy of the datasheet. Its socket list and its 97 mm depth with fan differ from the current table.5Retailer pagequietpc.com/nf-a9-pwmRead 15 October 2026Standalone NF-A9 PWM table: static pressure 2.28 mm H2O (1.53 with the L.N.A.), the fan supplied with the NH-U9S. It also prints a 450 RPM minimum.

BScythe Mugen 6

Model	Size (mm)	Fans	Min speed (rpm)	Max speed (rpm)	Airflow (CFM)	Static pressure (mmH₂O)	Noise (claimed) (dB(A))	Bearing	Connector
Wonder Tornado 120 PWM	120	1	350	2,000	60.29	2.45	26.88	Fluid dynamic (FDB)	4-pin PWM

Source1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026Fan 120 x 120 x 26 mm, 4-pin PWM, 350 (+/-200) to 2000 rpm (+/-10%), 7.68 to 60.29 CFM, 0.05 to 2.45 mmH2O, 3.0 to 26.88 dBA. The ranges are for the fan across its speed range, so the top values are stored. The page lists one fan. The bearing is not on the maker pages, see the Tom's Hardware source.2Maker product pagescytheus.com/mugen6Read 15 October 2026WONDER TORNADO 120 PWM, 2000 RPM, 120 x 120 x 26 mm with rubber, 350 +/- 200 to 2000 +/- 10% RPM, 7.68 to 60.29 CFM, 0.05 to 2.45 mmH2O, 3.00 to 26.88 dBA, 12 V, 0.15 A, 4 pin PWM.3Owner's manualscythe.co.jp/wp-content/uploads/2024/01/manual_scmg-6000.pdfRead 15 October 2026WONDER TORNADO 120 PWM fan: 350 +/- 200 to 2000 +/- 10% RPM, 3.00 to 26.88 dBA, 7.68 to 60.29 CFM. The fan speed limits depend on the PWM signal of the motherboard.6Reviewtomshardware.com/pc-components/air-cooling/scythe-mugen-6-and-mugen-6-black-edition-reviewRead 15 October 2026Fan table: Wonder Tornado 120mm, up to 2000 RPM +/-10%, up to 60.29 CFM, up to 2.45 mmH2O, Sealed Precision FDB bearing, lighting none, over 120,000 hours. Its 25 mm fan thickness differs from the maker's 26 mm, so the maker value is used for size. The bearing is stored as fluid dynamic.

FansiNumber of included heatsink or radiator fans.

1=CalculatedFrom Included fans

1=CalculatedFrom Included fans

Display and lighting

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RGB lightingiLighting on the fans, the heatsink or the pump block.

No2Retailer pagequietpc.com/nh-u9sRead 15 October 2026Fan table: RGB No.

No6Reviewtomshardware.com/pc-components/air-cooling/scythe-mugen-6-and-mugen-6-black-edition-reviewRead 15 October 2026Fan table: Lighting None.7Reviewfunkykit.com/reviews/cooling/scythe-mugen-6-and-mugen-6-dbe-high-performance-cpu-coolers-reviewRead 15 October 2026Page 4: there is no RGB illumination or display panel.

Lighting standardiThe named lighting connection. ARGB lighting alone does not prove a 5 V header. Proprietary means the maker's own hub or cable system.

Not available

Not available

Built-in screeniA screen on the pump block or the heatsink. LCD and OLED screens show images. A segment readout shows digits only, such as the CPU temperature.

None2Retailer pagequietpc.com/nh-u9sRead 15 October 2026The spec table lists no screen or lighting.

None7Reviewfunkykit.com/reviews/cooling/scythe-mugen-6-and-mugen-6-dbe-high-performance-cpu-coolers-reviewRead 15 October 2026Page 4: no display panel. The maker pages list only a heatsink and a fan.

Screen sizeiDiagonal of the built-in screen.

Not available

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Screen resolution

Not available

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SoftwareiThe maker's software for lighting, the screen or the pump. Software that works with the cooler out of the box. Software that needs a separately sold controller is left out.

Not available

Not available

Needs a USB headeriThe cooler needs an internal USB 2.0 header on the motherboard for software control, sensors or the screen. A wireless receiver that plugs into any USB port does not count.

No13Reviewenostech.com/noctua-nh-u9s-chromax-black-cooler-reviewRead 15 October 2026The NF-A9 PWM fan uses a 4-pin PWM connector. No USB cable or software is mentioned for the cooler.

No7Reviewfunkykit.com/reviews/cooling/scythe-mugen-6-and-mugen-6-dbe-high-performance-cpu-coolers-reviewRead 15 October 2026Page 4: with no RGB, only a PWM connector delivers power and controls the fan. No USB connection is mentioned.

Measured

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Cybenetics THETA, AMD AM5iThe THETA level for this cooler's class on the Cybenetics AMD AM5 platform with a Ryzen 9 7900X. It is rated at 30 dB(A) normalized noise, or at 25 dB(A) for a cooler that cannot reach 30 dB(A). No level means tested without a level. A cooler that Cybenetics did not test on this platform is left out. A report with a heading for this platform but no results counts as not tested.

Not available

Not available

Cybenetics THETA, Intel LGA1851iThe same rating on the Cybenetics Intel LGA1851 platform with a Core Ultra 9 285K. A cooler that Cybenetics did not test on this platform is left out. A report with a heading for this platform but no results counts as not tested.

Not available

Not available

Overall performance at 30 dB(A), AM5 (measured)iThe Cybenetics Overall Performance score at 30 dB(A) normalized noise on the AMD AM5 platform. It is average CPU power times average CPU frequency divided by average CPU temperature. Higher is better. A cooler rated only at 25 dB(A) has no value here.

Not available

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Overall performance at 30 dB(A), LGA1851 (measured)iThe same score on the Cybenetics Intel LGA1851 platform. Scores from the two platforms are not comparable with each other.

Not available

Not available

Noise at 100% fan setting (Cybenetics)iThe Cybenetics noise at the 100% fan setting, measured 1 m from the cooler in a hemi-anechoic chamber, with the pump of an AIO at full speed. Other reviewers' noise goes in the thermal test rows.

Not available

Not available

Thermal tests (measured)iReviewer results, one row per test condition. Rows compare only when the test CPU, load, power and noise level match. The source note names the reviewer, ambient temperature, case or open bench, and thermal paste. Test CPU is the CPU name only, such as AMD Ryzen 9 7900X. The power limit and mode go in the load. Above ambient is stored only when the reviewer publishes it, never computed from the ambient.

ANoctua NH-U9S

Test CPU	Load	Fan setting	CPU temperature (°C)
Intel Core i7-4790K	wPrime 1000M, two full runs, CPU at default settings, peak package temperature	1 fan, default	66
Intel Core i7-4790K	wPrime 1000M, three full runs, all cores at 4.6 GHz and 1.3 V, peak package temperature	1 fan, default	78

Source11Reviewguru3d.com/review/noctua-nh-d9l-and-nh-u9s-cpu-cooler-review/page-8Read 15 October 2026Guru3D review, values from the text and bar charts of pages 8 and 9. Core i7-4790K on a Z97 board, room temperature about 21 C. Load is wPrime 1000M and the value is the hottest package temperature after the last run. At default settings the NH-U9S reached 66 C and at 4600 MHz and 1.3 V it reached 78 C. The chart also shows 63 C and 75 C with an optional second fan, which is not stored. CPU power and the thermal paste are not stated. Guru3D measures noise at 75 cm and its load chart shows 35 dBA, but the page does not say which CPU state it covers, so no noise value is stored.

BScythe Mugen 6

Test CPU	Load	CPU power (W)	Fan setting	Noise (dB(A))
Intel Core i7-13700K	No power limit, throttling at TJ Max, average package power the cooler held	222	100%	39.6
Intel Core i7-13700K	No power limit, noise normalized, average package power the cooler held	220	38.2 dB(A)	38.2

Source6Reviewtomshardware.com/pc-components/air-cooling/scythe-mugen-6-and-mugen-6-black-edition-reviewRead 15 October 2026Albert Thomas, review of 2024-04-02. Intel Core i7-13700K on an MSI Z690 A Pro DDR4 in a be quiet! Silent Base 802 with system fans on setting 1, 23 C ambient room temperature, Thermalright LGA1700 contact frame fitted, 10-minute runs. Noise is read with a sound meter, distance not stated. Row 1: no power limit, the CPU hits TJ Max and the reviewer records the package power the cooler held, 222 W on average, with 39.6 dBA at full fan speed. Row 2: noise normalized to 38.2 dBA, 220 W. A 175 W Cinebench chart also exists, but its numbers are only in the chart image and the text says only that the single fan Mugen 6 matched the Fuma 3, so no row is stored.

Dimensions and weight

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DimensionsiAir coolers only. The cooler with its included fans in the standard position, without the mounting kit. Height runs from the bottom of the base to the top. Depth runs along the airflow, fans included. Width runs across the fins. Map by direction, not by letter. Width runs across the fins, depth runs along the airflow. DeepCool's 129 x 138 x 160 mm (L x W x H) is width 129, depth 138, height 160.

Width95Height125Depth95mm(3.7 × 4.9 × 3.7 in)1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Spec table, with fan: height 125 mm, width 95 mm, depth 95 mm. The older Noctua datasheet copy at inet.se prints 97 mm depth with fan. Noctua's text says the NH-U9S does not overhang the RAM slots on current Intel and most AMD boards, so it has no RAM height limit and ram_clearance_mm is left out. A footnote says some AMD boards violate AMD's keep-out zone, so only RAM up to 30 mm fits on these boards.6Retailer pageassmann.com/product-pdf/aat/4716123315575Read 15 October 2026Height, width, depth with fan: 125, 95, 95 mm.10Reviewguru3d.com/review/noctua-nh-d9l-and-nh-u9s-cpu-cooler-review/page-4Read 15 October 2026The review says 125(H) x 95(W) x 95(D) mm with the fan included.

Width132Height154Depth106mm(5.2 × 6.1 × 4.2 in)1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026132 (W) x 154 (H) x 106 (D) mm with the fan and its clip protrusions. The maker corrects the box print (132 x 80 x 154) to 132 x 106 x 154 on this page.2Maker product pagescytheus.com/mugen6Read 15 October 2026W132 x D106 x H154 mm with the fan.

Heatsink dimensionsiAir coolers only. The heatsink without fans, as the maker lists it. Map by direction, not by letter. Width runs across the fins, depth runs along the airflow. DeepCool's 129 x 138 x 160 mm (L x W x H) is width 129, depth 138, height 160. A heatsink depth that equals the depth with fans includes the fan, so that axis is not stored.

Width95Height125Depth68mm(3.7 × 4.9 × 2.7 in)1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Spec table, without fan: height 125 mm, width 95 mm, depth 68 mm.2Retailer pagequietpc.com/nh-u9sRead 15 October 2026Spec table, without fan: 125 x 95 x 68 mm.

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WeightiAn air cooler with its included fans. An AIO cooler as one unit with pump block, tubes, radiator and fans. Mounting hardware is left out when the maker states it separately. When one maker figure may include the mounting kit, such as a press release net weight above the product page figure, the product page figure is stored. An RGB edition can weigh a little more or less, so it is per variant.

618g(1.4 lb)1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Spec table: Weight (with fan) 618 g.6Retailer pageassmann.com/product-pdf/aat/4716123315575Read 15 October 2026Weight (with fan): 618 g, without fan 524 g.10Reviewguru3d.com/review/noctua-nh-d9l-and-nh-u9s-cpu-cooler-review/page-4Read 15 October 2026The review says 618 g including the fan.12Reviewrelaxedtech.com/reviews/noctua/nh-u9s/1Read 15 October 2026618 g with one fan installed.15Retailer pageldlc.com/en/product/PB00181734.htmlRead 15 October 2026Weight 618 g.

1,013g(2.2 lb)1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 20261,013 g including the fan.2Maker product pagescytheus.com/mugen6Read 15 October 20261013 g with the fan.

Heatsink weightiAir coolers only. The heatsink without fans.

524g(1.2 lb)2Retailer pagequietpc.com/nh-u9sRead 15 October 2026Spec table: Weight (without fan) 524 g.4Maker spec sheet (PDF)cdn.inet.se/pdf/6308879_0.pdfRead 15 October 2026Weight / Weight with NF-A9 PWM: 524 g / 618 g.12Reviewrelaxedtech.com/reviews/noctua/nh-u9s/1Read 15 October 2026524 g without the fan and 618 g with one fan.

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In the box

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In the boxiItems supplied with this exact model, verbatim.

NH-U9S heatsink, 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-Badge1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Scope 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 and Noctua Metal Case-Badge. The heatsink itself is listed in the datasheet copy at inet.se.4Maker spec sheet (PDF)cdn.inet.se/pdf/6308879_0.pdfRead 15 October 2026Scope of delivery: NH-U9S heatsink, NF-A9 PWM premium fan, Low-Noise Adaptor (L.N.A.), NT-H1 high-grade thermal compound, SecuFirm2 Mounting Kit and an installation kit for a second NF-A9 fan (optional).6Retailer pageassmann.com/product-pdf/aat/4716123315575Read 15 October 2026Package contents of the NH-U9S: NF-A9 PWM premium fan, Low-Noise Adaptor (L.N.A.), NT-H1 high-grade thermal compound, SecuFirm2 Mounting Kit, Fan-clips for second NF-A9 and Noctua Metal Case-Badge.7Retailer pageassmann.com/product-pdf/aat/9010018000252Read 15 October 2026Package contents of the chromax.black: Black NH-U9S heatsink, NF-A9 PWM chromax.black premium fan, NA-RC7 Low-Noise Adaptor (L.N.A), NT-H1 high-grade thermal compound, Black SecuFirm2 mounting kit, Black fan-clips for second NF-A9 and Noctua Metal Case-Badge.

CPU Cooler, WONDER TORNADO 120 PWM Fan, Stud Nuts, Back Plate Kit, Plastic Spacers, Mounting Plates (Intel), Mounting Plates (Intel LGA1700), Mounting Plates (AMD), Screws (AMD), Bolt Nuts, Thermal Grease, Spatula, Fan Clips, Screwdriver1Maker product pagescythe.co.jp/category/product/cpu-cooler/air-cooling/high-end/scmg-6000Read 15 October 2026The Japanese page lists a retention kit, two sets of fan clips, grease, spatula, screwdriver and Japanese manual. The English item names come from the manual's item list. KitGuru and the Japanese page add a spatula for the grease.3Owner's manualscythe.co.jp/wp-content/uploads/2024/01/manual_scmg-6000.pdfRead 15 October 2026Item list on page 1: 1 CPU Cooler, 2 fan, 3 Stud Nuts, 4 Back Plate Kit, 5 Plastic Spacers, 6 Mounting Plates (Intel), 7 Mounting Plates (Intel LGA1700), 8 Mounting Plates (AMD), 9 Screws (AMD), 10 Bolt Nuts, 11 Thermal Grease, 12 Fan Clips, 13 Screwdriver. The manual prints no quantities. Which parts each socket uses is shown in a table.

Links

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Product page

noctua.at/en/nh-u9s17Maker product pagenoctua.at/en/nh-u9sRead 15 October 2026Noctua's product page. The page was not opened. It is stored as the product link only. No value comes from it. Spec values come from retailer and distributor copies of Noctua's spec table and datasheet, press coverage of the launch and reviews.

www.scytheus.com/mugen62Maker product pagescytheus.com/mugen6Read 15 October 2026Scythe's US product page for the MUGEN 6, model SCMG-6000.

Spec sheet

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Manual

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www.scythe.co.jp/wp-content/uploads/2024/01/manual_scmg-6000.pdf3Owner's manualscythe.co.jp/wp-content/uploads/2024/01/manual_scmg-6000.pdfRead 15 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

6years1Retailer pagecomputerlounge.co.nz/products/noctua-nh-u9s-cpu-cooler-w-nf-a9-pwmRead 15 October 2026Specification table: Warranty 6 Years. QuietPC prints 72 months.

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Both are also in the API. Back to all CPU coolers.