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ARCTIC Liquid Freezer III Pro 240

ARCTICCPU cooler

Liquid Freezer III Pro 240

Released May 2025.9Press articlekitguru.net/components/cooling/joao-silva/arctic-expands-liquid-freezer-iii-pro-series-with-240-radiator-modelsRead 14 October 2026KitGuru article of 2025-05-24: the 240 mm model is now available in the all-black and A-RGB black versions, and the A-RGB white version is planned for Q3 2025. The article gives 72.99 EUR for the black model with an at least 45 EUR Payback discount at launch, which does not say whether that is a list price, so no launch price is stored. Last checked 16 October 2026.

Cooler type
AIO liquid
Fans
2
Rated TDP
Not available
CPU sockets
AM5, AM4, LGA1851, LGA1700

28 of 54 fields known.

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All specs

SourceCalculated

General

Series
Liquid Freezer III Pro5Owner's manualsupport.arctic.de/products/liquid-freezer-iii-pro-240/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.
Model numbers
ACFRE00178A, ACFRE00182A, ACFRE00186A1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 20266Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240-A-RGB/ACFRE00182ARead 14 October 2026ACFRE00182A is the A-RGB edition in black.7Maker spec sheet (PDF)arctic.de/media/8d/19/d2/1744191002/Spec_Sheet_Liquid_Freezer_III_Pro_240_A-RGB_EN.pdfRead 14 October 20268Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240-A-RGB-White/ACFRE00186ARead 14 October 2026ACFRE00186A is the A-RGB edition in white.
GTIN / EAN
4895265000218, 840033402897, 4895265000225, 840033402903, 4895265000232, 8400334029101Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026Shipping information page: EAN 4895265000218 and UPC 840033402897 for SKU ACFRE00178A.6Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240-A-RGB/ACFRE00182ARead 14 October 2026EAN 4895265000225 and UPC 840033402903 for ACFRE00182A.7Maker spec sheet (PDF)arctic.de/media/8d/19/d2/1744191002/Spec_Sheet_Liquid_Freezer_III_Pro_240_A-RGB_EN.pdfRead 14 October 2026Shipping information: ACFRE00182A EAN 4895265000225 and UPC 840033402903. ACFRE00186A (White) EAN 4895265000232 and UPC 840033402910.8Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240-A-RGB-White/ACFRE00186ARead 14 October 2026EAN 4895265000232 and UPC 840033402910 for ACFRE00186A.
Announced
Not available
Status
Available1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 2026The arctic.de store lists the black model ACFRE00178A with an add-to-cart button on the access date.
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Black, White1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20266Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240-A-RGB/ACFRE00182ARead 14 October 20267Maker spec sheet (PDF)arctic.de/media/8d/19/d2/1744191002/Spec_Sheet_Liquid_Freezer_III_Pro_240_A-RGB_EN.pdfRead 14 October 20268Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240-A-RGB-White/ACFRE00186ARead 14 October 2026
Cooler type
AIO liquid1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 2026
Air cooler layout
Not available
Rated TDP (claimed)
Not available
Base material
Copper1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026Cold Plate: Copper, Micro Skived Fins. No plating is stated.
Thermal paste
Included1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 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/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026

Compatibility

CPU sockets
AM5, AM4, LGA1851, LGA17001Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 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/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 20263Owner's manualsupport.arctic.de/liquid-freezer-III-pro-240Read 14 October 2026Select your CPU socket: AMD AM5 and AM4, Intel LGA1851 and LGA1700.
RAM height clearance
Not available
Offset mounting
Yes1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 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-240Read 14 October 2026AM4 step: the offset mounting leaves parts of the heatspreader visible because the CPU hotspot is off-centre.

Heatsink

We could not find any of these 3 fields. Show them
Heat pipes
Not available
Heat pipe diameter
Not available
Direct-contact heat pipes
Not available

Liquid cooling

Radiator size
240mm1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 2026
Radiator dimensions
Length277Width120Thickness38mm(10.9 × 4.7 × 1.5 in)1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026General specifications: radiator dimensions 277 (L) x 120 (W) x 38 (H) mm, material aluminium. The dimensions drawing shows the same 277 mm length and 38 mm thickness.
Radiator material
Aluminium1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026
Tube length
450mm1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 202610Press 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.
Max pump speed
2,800rpm1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026Pump 800 to 2800 rpm, PWM controlled.
Pump power connector
4-pin PWM fan header3Owner's manualsupport.arctic.de/liquid-freezer-III-pro-240Read 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.
VRM fan
Yes1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026

Fans

Included fans
ModelSize (mm)FansMin speed (rpm)Max speed (rpm)Airflow (CFM)Static pressure (mmH₂O)BearingConnector
P12 Pro12026003,000776.9Fluid dynamic (FDB)4-pin PWM
Source1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026Radiator fan specifications: 2 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.
Fans
2

Display and lighting

RGB lighting
No1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 2026Lighting: none for the black model ACFRE00178A. The A-RGB editions ACFRE00182A and ACFRE00186A use P12 Pro A-RGB fans and a different weight and are stored as variant rows.
Lighting standard
Not available
Built-in screen
None1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 2026No screen on the pump block. Lighting: none.
Screen size
Not available
Screen resolution
Not available
Software
Not available
Needs a USB header
No3Owner's manualsupport.arctic.de/liquid-freezer-III-pro-240Read 14 October 2026The installation steps and both quick start guides connect only PWM cables, plus the A-RGB cable on lit editions. No USB cable is supplied or mentioned.

Measured

We could not find any of these 6 fields. Show them
Cybenetics THETA, AMD AM5
Not available
Cybenetics THETA, Intel LGA1851
Not available
Overall performance at 30 dB(A), AM5 (measured)
Not available
Overall performance at 30 dB(A), LGA1851 (measured)
Not available
Noise at 100% fan setting (Cybenetics)
Not available
Thermal tests (measured)
Not available

Dimensions and weight

Dimensions
Not available
Heatsink dimensions
Not available
Weight
1,675g(3.7 lb)1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 14 October 20262Maker spec sheet (PDF)arctic.de/media/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026General specifications: weight 1675 g. Gross shipping weight is 2065 g.
Heatsink weight
Not available

In the box

In the box
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-240/techdocs/Quick_Manual_Intel_r1b.pdfRead 14 October 2026Packaging Content on the Intel quick start guide for the Liquid Freezer III Pro 240: 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.

Warranty

Manufacturer warranty (source market)
6years1Maker product pagearctic.de/en/Liquid-Freezer-III-Pro-240/ACFRE00178ARead 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/3f/c1/fb/1744190700/Spec_Sheet_Liquid_Freezer_III_Pro_240_EN.pdfRead 14 October 2026

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Variants

Each variant lists only what differs from the specs above.

Model numberGTINColoursRGB lightingLighting standardWeight
ACFRE00178A4895265000218BlackSame as baseNot availableSame as base
ACFRE00182A4895265000225BlackYesARGB 5 V1,665 g
ACFRE00186A4895265000232WhiteYesARGB 5 V1,665 g

Sources

We read 10 sources for this CPU cooler. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 22 fields
  2. Read 14 October 2026Backs 15 fields
  3. Read 14 October 2026Backs 5 fields
  4. Read 14 October 2026Backs 1 field
  5. Read 14 October 2026Backs 1 field
  6. Read 14 October 2026Backs 4 fields
  7. Read 14 October 2026Backs 4 fields
  8. Read 14 October 2026Backs 4 fields
  9. Read 14 October 2026Backs 1 field
  10. Read 14 October 2026Backs 2 fields

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