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ARCTIC Liquid Freezer III Pro 360 vs be quiet! Silent Loop 3 420mm

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Liquid Freezer III Pro 360

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Product B: be quiet!

Silent Loop 3 420mm

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Only differences

AARCTIC Liquid Freezer III Pro 360

Bbe quiet! Silent Loop 3 420mm

General

6 of 12 differ

Series

Liquid Freezer III Pro5Owner's manualsupport.arctic.de/products/liquid-freezer-iii-pro-360/techdocs/Quick_Manual_AMD_r1b.pdfRead 14 October 2026Quick start guide title: Liquid Freezer III Pro Series. The AMD guide adds a mounting clips set and four spacers to the packaging content.

Silent Loop 39Press articleguru3d.com/story/be-quiet-launches-silent-loop-3-series-aio-liquid-cpu-coolersRead 15 October 2026The Silent Loop 3 Series comes in 240, 360 and 420 mm.10Press articlefunkykit.comRead 15 October 2026Press release name: Silent Loop 3, a series of 240, 360 and 420 mm all-in-one coolers.

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

ACFRE00180A, ACFRE00184A1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 202610Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360-A-RGB/ACFRE00184ARead 14 October 2026ACFRE00184A is the A-RGB edition in black.

BW02611Retailer pagevoelkner.de/products/13093242/Be-Quiet-Silent-Loop-3-420Mm.htmlRead 15 October 2026Hersteller-Nr. BW026.12Retailer pageldlc.com/en/product/PB00672490.htmlRead 15 October 2026Model BW026.

GTIN / EAN

4895265000249, 840033402927, 4895265000256, 8400334029341Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026Shipping information page: EAN 4895265000249 and UPC 840033402927 for SKU ACFRE00180A.10Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360-A-RGB/ACFRE00184ARead 14 October 2026EAN 4895265000256 and UPC 840033402934 for ACFRE00184A.

426005219255911Retailer pagevoelkner.de/products/13093242/Be-Quiet-Silent-Loop-3-420Mm.htmlRead 15 October 2026EAN 4260052192559. A marketplace listing, but the number agrees with the maker's article BW026 on every page found.

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

Not available

11 February 20255Reviewclub386.comRead 15 October 2026Club386 published its review on 11 Feb 2025, the same day as the Guru3D launch report.9Press articleguru3d.com/story/be-quiet-launches-silent-loop-3-series-aio-liquid-cpu-coolersRead 15 October 2026Published 2025-02-11 by Hilbert Hagedoorn.10Press articlefunkykit.comRead 15 October 2026FunkyKit repost of the be quiet! press release, dated 12 February 2025.

Status

Available1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026The arctic.de store lists the black model ACFRE00180A with an add-to-cart button on the access date.

Available12Retailer pageldlc.com/en/product/PB00672490.htmlRead 15 October 2026LDLC France listed the 420mm model as in stock at 146.95 EUR on the access date.

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.

$124.997Press articlefunkykit.com/news/pc-computers/arctic-introduces-liquid-freezer-iii-pro-all-in-one-cpu-water-coolingRead 14 October 2026MSRP $124.99 for ACFRE00180A. A-RGB editions are $144.99 and $149.99. The report gives no EUR price. Tax treatment is not stated, as is usual for US MSRP.8Reviewtomshardware.com/pc-components/liquid-cooling/arctic-liquid-freezer-iii-pro-reviewRead 14 October 2026Spec table lists MSRP $124.99 for the black model, which has no lighting as reviewed.9Reviewhwbusters.com/cooling/arctic-liquid-freezer-iii-pro-360-aio-reviewRead 14 October 2026Spec list gives a normal price of $124.99 for the black model.

$174.95Reviewclub386.comRead 15 October 2026MSRP table row Silent Loop 3 420: $174.90 / EUR 174.90. US prices exclude tax.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026MSRP of USD 174.90 and EUR 174.90.9Press articleguru3d.com/story/be-quiet-launches-silent-loop-3-series-aio-liquid-cpu-coolersRead 15 October 2026$174.90 for 420 mm, $164.90 for 360 mm and $139.90 for 240 mm.10Press articlefunkykit.comRead 15 October 2026Suggested retail price $174.90 for the 420mm.

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.

Not available

€174.95Reviewclub386.comRead 15 October 2026MSRP table row Silent Loop 3 420: EUR 174.90. The FunkyKit press text gives the same figure.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026MSRP of EUR 174.90.10Press articlefunkykit.comRead 15 October 2026EUR 174.90 for the 420mm.

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

US, EU1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026The arctic.de store sells in EUR incl. VAT. The US market comes from the launch press report.7Press articlefunkykit.com/news/pc-computers/arctic-introduces-liquid-freezer-iii-pro-all-in-one-cpu-water-coolingRead 14 October 2026

US, EU, GB5Reviewclub386.comRead 15 October 2026The review lists US dollar, euro and pound prices (GBP 124.99 in the press text).10Press articlefunkykit.comRead 15 October 2026The press release gives $, EUR and GBP prices (GBP 124.99 for the 420mm).

ColoursiThe maker's own colour names

Black1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026

Black2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026General data, Color option: Black.11Retailer pagevoelkner.de/products/13093242/Be-Quiet-Silent-Loop-3-420Mm.htmlRead 15 October 2026Farbe: schwarz.

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.

AIO liquid1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026

AIO liquid2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Review of the 420mm sealed liquid cooler with pump block, tubes, radiator and three fans.

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

Not available

Not available

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.

Copper1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026Cold Plate: Copper, Micro Skived Fins. No plating is stated.

Nickel-plated copper2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026APH prints the maker's spec table as read on the maker's website. Base material / finish: copper / nickel plating.3Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mm/2Read 15 October 2026The base contacting the processor is copper with nickel plating.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026Base on this cooler is nickel-plated copper.

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

Included1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026Feature text: Includes MX-6 Thermal Paste, applied by the user. The spec sheet lists TIM MX-6 (0.8 g).2Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026

Included2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Accessories, Thermal grease: Included. Tech4Gamers lists a separate paste tube.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026Box list names 1x Thermal Paste Tube.

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, LGA1851, LGA17001Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026The product information block and the spec sheet name LGA1851, LGA1700, AM5 and AM4 in the specifications. The shop filter line also lists Intel 115X and 1200, but the spec sheet and manual do not, so they are not stored.2Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026

AM5, AM4, sTR5, sTR4, LGA1851, LGA1700, LGA1200, LGA1150, LGA1151, LGA11552Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Maker table: Intel 1851 / 1700 / 1200 / 1150 / 1151 / 1155 and AMD AM5 / AM4 / TR5 / TR4. The Threadripper bracket is in the box. LGA1156 is not named, so it is not stored. TR5 and TR4 are stored as sTR5 and sTR4, the names AMD uses for those sockets.4Reviewkitguru.net/components/cooling/james-dawson/be-quiet-silent-loop-3-420-aio-cpu-cooler-reviewRead 15 October 2026Spec list: Intel 1851/1700/1200/115X, AMD AM5 / AM4 / TR5 / TR4. 115X is stored as LGA1150, LGA1151 and LGA1155, which the maker's own table names one by one.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026Compatible with Intel LGA 115x/1200/1700/1851 and AMD AM4/AM5/TR5/sTRX4/TR4. sTRX4 is not in the maker's table and is not stored.11Retailer pagevoelkner.de/products/13093242/Be-Quiet-Silent-Loop-3-420Mm.htmlRead 15 October 2026Suitable sockets list 1150, 1151, 1155, 1700, 1851, AM4, TR4, sTR5, sTRX4, 1200 and AM5.12Retailer pageldlc.com/en/product/PB00672490.htmlRead 15 October 2026Processor support: AMD AM4, AM5, sTR4, sTR5 and Intel 1150, 1151, 1155, 1200, 1700, 1851.

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

Not available

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.

Yes1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026Feature text: Offset Mounting for Intel and AMD shifts the cold plate to the CPU hotspot.3Owner's manualsupport.arctic.de/liquid-freezer-III-pro-360Read 14 October 2026AM4 step: the offset mounting leaves parts of the heatspreader visible because the CPU hotspot is off-centre.

Not available

Heatsink

None of 3 known

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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Liquid cooling

5 of 7 differ

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

360mm1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026

420mm2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Three 140 mm fans on a 457 mm radiator, so the size class is 420.

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.

Length398Width120Thickness38mm(15.7 × 4.7 × 1.5 in)1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026General specifications: radiator dimensions 398 (L) x 120 (W) x 38 (H) mm, material aluminium.

Length457Width140Thickness27mm(18 × 5.5 × 1.1 in)2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Radiator specifications, Dimensions (H x W x D): 457 x 140 x 27 mm, without fans. The maker's table also prints 475 x 140 x 52 mm for the radiator with fans. Length runs along the fans. Thickness is 27 mm.

Radiator material

Aluminium1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026

Aluminium2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Radiator material / finish: aluminum / black spray painted.

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.

450mm1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 20267Press articlefunkykit.com/news/pc-computers/arctic-introduces-liquid-freezer-iii-pro-all-in-one-cpu-water-coolingRead 14 October 2026Same article: tubes are 450 mm for the 240, 280 and 360 mm models and 500 mm for the 420 mm model.

400mm2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Tube length (mm): 400. APH describes the tubes as rubber with a braided sleeve and measures 400 mm. Tech4Gamers measured 410 mm.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026Measured 410 mm. The maker's table says 400 mm, which is stored.12Retailer pageldlc.com/en/product/PB00672490.htmlRead 15 October 2026Highlights: flexible 400 mm jacketed hoses.

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

2,800rpm1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026Pump 800 to 2800 rpm, PWM controlled.

3,500rpm2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Pump speed (rpm): 3500, adjustable 1700 - 3500.

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.

4-pin PWM fan header3Owner's manualsupport.arctic.de/liquid-freezer-III-pro-360Read 14 October 2026Connect the PWM control cable: the all-in-one cable has one 4-pin plug and the individual cable has three 4-pin plugs. Headers must be set to PWM.

4-pin PWM fan header2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Pump connector: 4-pin PWM.3Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mm/2Read 15 October 2026The pump runs at 1700 to 3500 RPM and is powered and controlled through a 4-pin PWM header.

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

Yes1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026

No4Reviewkitguru.net/components/cooling/james-dawson/be-quiet-silent-loop-3-420-aio-cpu-cooler-reviewRead 15 October 2026Spec list row VRM Fan: N/A. No review or retailer describes a fan on the pump block.

Fans

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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.

AARCTIC Liquid Freezer III Pro 360

Model	Size (mm)	Fans	Min speed (rpm)	Max speed (rpm)	Airflow (CFM)	Static pressure (mmH₂O)	Bearing	Connector
P12 Pro	120	3	600	3,000	77	6.9	Fluid dynamic (FDB)	4-pin PWM

Source1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026Radiator fan specifications: 3 x P12 Pro, 600 to 3000 rpm, 77 cfm, 6.9 mmH2O, fluid dynamic bearing, 4-pin fan plug. The sheet states no noise level, so noise_dba is left out. The VRM fan (400 to 2500 rpm) is not in the table.

Bbe quiet! Silent Loop 3 420mm

Model	Size (mm)	Fans	Max speed (rpm)	Airflow (CFM)	Static pressure (mmH₂O)	Noise (claimed) (dB(A))	Bearing	Connector
Silent Wings 4 140mm PWM high-speed	140	3	1,900	78.4	2.36	29.3	Fluid dynamic (FDB)	4-pin PWM

Source2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Fan model Silent Wings 4 140mm PWM, 140 x 140 x 25 mm, 1900 rpm at 100% PWM, 78.4 CFM, 2.36 mm H2O, FDB, 6-pole motor, 4-pin PWM, 3 fans. The maker's table prints the model without high-speed. The figures match the Silent Wings 4 140mm PWM high-speed fan (BL097). The plain Silent Wings 4 140mm PWM fan spins to 1170 rpm only. The maker's cooler noise row (34.3 dB(A) at 100% rpm, for the whole cooler) is not a per-fan value. The per-fan figure is in the Komputronik entry.3Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mm/2Read 15 October 2026Three Silent Wings 4 140mm PWM fans, seven blades, six-pole motor, fluid dynamic bearings, 2.36 mm H2O and 78.4 CFM. A 3-in-1 Y-adapter joins the fans on one header.4Reviewkitguru.net/components/cooling/james-dawson/be-quiet-silent-loop-3-420-aio-cpu-cooler-reviewRead 15 October 2026Spec list: fan 140 x 140 x 25 mm, 1900 RPM max, 78.4 CFM, 2.36 mmH2O, FDB, 4-pin PWM.13Retailer pagekomputronik.pl/product/771125/be-quiet-silent-wings-4-140mm-pwm-high-speed.htmlRead 15 October 2026Retail copy of the data for the Silent Wings 4 140mm PWM high-speed fan (BL097): 1900 rpm, 78.4 CFM (133.2 m3/h) and a maximum noise of 29.3 dB at full speed. 29.3 dB(A) is stored as the per-fan noise because the maker's cooler table prints 34.3 dB(A) at 100% rpm for the whole cooler with no per-fan label. Three fans at 29.3 dB(A) add up to about 34 dB(A), which fits. The maker's fan data sheet itself is on bequiet.com and was not opened.

FansiNumber of included heatsink or radiator fans.

3=CalculatedFrom Included fans

3=CalculatedFrom Included fans

Display and lighting

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

No1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026Lighting: none. The A-RGB edition ACFRE00184A uses P12 Pro A-RGB fans and a different weight, so it is a variant row. The white A-RGB edition ACFRE00188A is not covered.

Yes5Reviewclub386.comRead 15 October 2026ARGB lighting on the pump block, no RGB on the fans.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026A-RGB lighting on the pump housing, subtle, synced with motherboard RGB software.9Press articleguru3d.com/story/be-quiet-launches-silent-loop-3-series-aio-liquid-cpu-coolersRead 15 October 2026The cooling block includes addressable RGB lighting.

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

ARGB 5 V2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Lighting connector: 3 Pin 5V Addressable.4Reviewkitguru.net/components/cooling/james-dawson/be-quiet-silent-loop-3-420-aio-cpu-cooler-reviewRead 15 October 2026Spec list row Pump LED: 3-pin 5v ARGB. Fan LED: N/A.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026Standard 5V, 3-Pin A-RGB connector on the pump housing.11Retailer pagevoelkner.de/products/13093242/Be-Quiet-Silent-Loop-3-420Mm.htmlRead 15 October 2026LED lighting: addressable RGB header.

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.

None1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026No screen on the pump block. Lighting: none.

None4Reviewkitguru.net/components/cooling/james-dawson/be-quiet-silent-loop-3-420-aio-cpu-cooler-reviewRead 15 October 2026Spec list row LCD Screen: N/A.12Retailer pageldlc.com/en/product/PB00672490.htmlRead 15 October 2026Integrated display: No.

Screen sizeiDiagonal of the built-in screen.

Not available

Not available

Screen resolution

Not available

Not available

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.

No3Owner's manualsupport.arctic.de/liquid-freezer-III-pro-360Read 14 October 2026The installation steps and both quick start guides connect only PWM cables. No USB cable is supplied or mentioned.

No7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026The installation steps use only the pump PWM header, the fan PWM header and the 5 V ARGB header. No USB cable or software 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.

Platinum6Measurementcybenetics.com/evaluations/coolers/91Read 14 October 2026Report for the same model and radiator size, which lists P12 Pro fans and 2020 g. Tested April 4 to 10, 2025 with the Default mount. THETA Platinum, AIO, rated at 30 dB(A). The report was evaluated under protocol revision 1.8, before revision 2.0.

Gold8Measurementcybenetics.com/evaluations/coolers/84Read 15 October 2026Report BQCLR00084 for the same model, tested Feb 11 to Feb 25, 2025 with the Default mount. THETA Gold, AIO, rated at 30 dB(A). The report was evaluated under protocol revision 1.8, before revision 2.0. Its technical specifications row names Silent Wings 4 120mm High-Speed fans, which is a typo, since the maker's fans are 140 mm and the report shows 1.9k rpm.

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.

Platinum6Measurementcybenetics.com/evaluations/coolers/91Read 14 October 2026THETA Platinum, AIO, rated at 30 dB(A) on a Core Ultra 9 285K with the Default mount.

Silver8Measurementcybenetics.com/evaluations/coolers/84Read 15 October 2026THETA Silver, AIO, rated at 30 dB(A) on a Core Ultra 9 285K with the Default mount.

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.

11,7756Measurementcybenetics.com/evaluations/coolers/91Read 14 October 2026Overall Performance 11,775 at 30 dB(A) on a Ryzen 9 7900X (PBO enabled).

11,2838Measurementcybenetics.com/evaluations/coolers/84Read 15 October 2026Overall Performance 11,283 at 30 dB(A) on a Ryzen 9 7900X (PBO enabled).

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.

15,6446Measurementcybenetics.com/evaluations/coolers/91Read 14 October 2026Overall Performance 15,644 at 30 dB(A) on a Core Ultra 9 285K (Intel default mode).

14,1278Measurementcybenetics.com/evaluations/coolers/84Read 15 October 2026Overall Performance 14,127 at 30 dB(A) on a Core Ultra 9 285K (Intel default mode).

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.

47.9dB(A)6Measurementcybenetics.com/evaluations/coolers/91Read 14 October 202647.9 dB(A) at 100% fan setting (3016, 3030 and 3013 rpm). Hemi-anechoic chamber with a 6 dB(A) noise floor, Bruel & Kjaer 2270 sound analyser, microphone 1 m from the cooler at 30 to 45 degrees. Expanded uncertainty is plus or minus 1.23 dB. The protocol keeps the AIO pump at full speed and says the pump noise is not part of the normalized fan-noise levels, so the report does not separate the pump noise.

38dB(A)8Measurementcybenetics.com/evaluations/coolers/84Read 15 October 202638.0 dB(A) at the 100% fan setting (1886, 1880 and 1919 rpm). Hemi-anechoic chamber with a 6 dB(A) noise floor, Bruel & Kjaer 2270 G4 sound analyser, microphone 1 m from the cooler. The protocol keeps the AIO pump at full speed and says the pump noise is not part of the normalized fan-noise levels.

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.

AARCTIC Liquid Freezer III Pro 360

Test CPU	Load	CPU power (W)	Fan setting	Noise (dB(A))	CPU temperature (°C)
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	199.6	20 dB(A)	20	91.8
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	202	25 dB(A)	25	90.4
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	202.8	30 dB(A)	30	90.3
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	202.7	35 dB(A)	35	90.2
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	205.1	40 dB(A)	40	88.6
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	207	100%	47.9	87.5
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	302.7	20 dB(A)	20	85.4
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	303.3	25 dB(A)	25	82.9
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	303.4	30 dB(A)	30	81.8
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	303.7	35 dB(A)	35	80
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	304.2	40 dB(A)	40	77.5
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	304.4	100%	47.9	76.8

Source6Measurementcybenetics.com/evaluations/coolers/91Read 14 October 2026Cybenetics Cooling Solutions Test Protocol. Ambient held at 25 C plus or minus 0.5 C and 30% humidity in a climate chamber, open test bench (Cooler Master Test Bench for AM5, DimasTech Bench for LGA1851), Prime95 Small FFTs for at least 10 minutes, values averaged over the last 4 minutes, at least two sessions averaged, pump at 100% in every row. Fans were set to reach each normalized noise level at 1 m, or 100%. CPU power is measured at the EPS connectors. The protocol states Arctic MX-4 paste for all tests. Mount: Default. The report does not publish a temperature above ambient. The AM5 rows use the AM5 platform and the LGA1851 rows the LGA1851 platform.

Bbe quiet! Silent Loop 3 420mm

Test CPU	Load	CPU power (W)	Fan setting	Noise (dB(A))	CPU temperature (°C)
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	197.1	20 dB(A)	20	91.7
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	198.7	25 dB(A)	25	90.9
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	196.5	30 dB(A)	30	91.1
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	198.9	35 dB(A)	35	90.4
AMD Ryzen 9 7900X	Prime95 Small FFTs, full CPU load, PBO enabled	199.1	100%	38	89.5
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	299.6	20 dB(A)	20	92.2
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	300.5	25 dB(A)	25	90
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	299.4	30 dB(A)	30	88.8
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	298.3	35 dB(A)	35	86.8
Intel Core Ultra 9 285K	Prime95 Small FFTs, full CPU load, Intel default mode	298.5	100%	38	78.6
Intel Core i9-13900K	Cinebench, 253 W power limit	Not available	600 rpm	30.2	89.4
Intel Core i9-13900K	Cinebench, 253 W power limit	Not available	1200 rpm	34.3	83.5
Intel Core i9-13900K	Cinebench, 253 W power limit	Not available	1900 rpm (max)	39.4	81.7
Intel Core i9-13900K	Cinebench, 153 W power limit	Not available	600 rpm	30.2	63.4
Intel Core i9-13900K	Cinebench, 153 W power limit	Not available	1200 rpm	34.3	61
Intel Core i9-13900K	Cinebench, 153 W power limit	Not available	1900 rpm (max)	39.4	60.4

Source5Reviewclub386.comRead 15 October 2026Club386 (Damien Mason, 2025-02-11). Intel Core i9-13900K, Cinebench loads at 253 W and 153 W power modes, fans fixed at 600, 1200 and 1900 rpm (maximum). The temperatures are the table values per rpm, which the How We Test page says are CPU-Z averages. Noise is from a Tadeto sound level meter. The 600 rpm noise is published as <30.2 and is stored as 30.2. The ambient temperature, bench or case, paste, meter distance and the pump setting are not stated. The noise table has one column per rpm, so the same noise applies to the 253 W and 153 W rows. The review prints the rows without a Cinebench version in the temperature table.6Reviewclub386.com/how-we-testRead 15 October 2026Cooling section: Core i9-13900K reference CPU, CPU-Z average temperatures, Tadeto sound level meter, Cinebench at 600 rpm, 1,200 rpm and max rpm across 153 W and 253 W modes. Ambient is only said to be kept in line with earlier reviews.8Measurementcybenetics.com/evaluations/coolers/84Read 15 October 2026Cybenetics Cooling Solutions Test Protocol, revision 1.8 procedure. Ambient held at 25 C plus or minus 0.5 C in a climate chamber, open test bench (Cooler Master Test Bench for AM5 with an ASUS TUF Gaming X670E-Plus, DimasTech Bench for LGA1851 with an ASRock Z890 Taichi), Prime95 Small FFTs, pump at full speed in every row. Fans were set to reach each normalized noise level at 1 m, or 100%. CPU power is measured at the EPS connectors. The protocol states Arctic MX-4 paste for all tests. Mount: Default. The report publishes no temperature above ambient. The AM5 rows use the Ryzen 9 7900X with PBO enabled and the LGA1851 rows the Core Ultra 9 285K in Intel default mode. The Intel 35 dB(A) row (86.8 C) and the 100% row (78.6 C) are 8 C apart, while the fans only differ by about 200 rpm. The values are stored as printed.

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.

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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.

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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.

2,020g(4.5 lb)1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026General specifications: weight 2020 g. Gross shipping weight is 2465 g.

2,010g(4.4 lb)2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Total weight 2.01 kg. Cybenetics lists 2010 g, LDLC 2.01 kg and Tech4Gamers 2010 g. Voelkner's marketplace row of 1.4 kg is not used.7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026Key specs, Net Weight: 2010 gm.12Retailer pageldlc.com/en/product/PB00672490.htmlRead 15 October 2026Weight 2.01 kg.

Heatsink weightiAir coolers only. The heatsink without fans.

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In the box

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In the boxiItems supplied with this exact model, verbatim.

VRM fan module, CPU contact frame (Intel), PWM cable (all in one), PWM cable (individual control), Metal flat washers, Screws, Shoulder screws (Intel), Mounting clips set (AMD), Spacers (AMD), T20 driver, MX-6 thermal paste (0.8 g)4Owner's manualsupport.arctic.de/products/liquid-freezer-iii-pro-360/techdocs/Quick_Manual_Intel_r1b.pdfRead 14 October 2026Packaging Content on the Intel quick start guide for the Liquid Freezer III Pro series: VRM fan module, CPU contact frame, two PWM cables, metal flat washers, screws, shoulder screws, T20 driver and MX-6 (0.8 g). The guide is shared by the series and lists no item that only an A-RGB edition has.

1x Intel Backplate, 2x Intel Mounting Brackets, 4x Intel Backplate Screws, 4x Locking Washers / O-Rings, 4x Intel Spacer Nuts, 4x Mounting Brackets Fastening Screws, 1x AMD TR4/TR5 Mounting Bracket, 1x set of AMD AM4/AM5 Mounting Brackets, 4x AMD Screws, 4x AMD Spacers, 12x Radiator Screws, 12x Fan Screws, 1x Thermal Paste Tube, 3x Zip Ties, 1x Refill Coolant Bottle 100ml, 1x 3-way PWM Splitter Cable, 1x User Manual, 1x Safety Paper7Reviewtech4gamers.com/be-quiet-silent-loop-3-420-reviewRead 15 October 2026Packing and unboxing list copied in full: 18 lines, from the Intel backplate to the safety paper.

Links

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Product page

www.arctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180A1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026

www.bequiet.com/en/watercooler/silent-loop-3/53951Maker product pagebequiet.com/en/watercooler/silent-loop-3/5395Read 15 October 2026The URL is the Silent Loop 3 series page from the job's selection step and from a search result. The page was not opened because bequiet.com is blocked. No value rests on it.

Spec sheet

www.arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdf2Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026

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Manual

support.arctic.de/liquid-freezer-III-pro-3603Owner's manualsupport.arctic.de/liquid-freezer-III-pro-360Read 14 October 2026

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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.

6years1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-360/ACFRE00180ARead 14 October 2026Spec sheet and support page state 6 years. The warranty page says six years for the entire product range and names no market.2Maker spec sheet (PDF)arctic.de/media/e3/d9/86/1741780098/Spec_Sheet_Liquid_Freezer_III_Pro_360_EN.pdfRead 14 October 2026

3years2Reviewaphnetworks.com/reviews/be-quiet-silent-loop-3-420mmRead 15 October 2026Service, Warranty (Years): 3.5Reviewclub386.comRead 15 October 2026Three-year warranty for every size.9Press articleguru3d.com/story/be-quiet-launches-silent-loop-3-series-aio-liquid-cpu-coolersRead 15 October 2026A three-year warranty is included.

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