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ARCTIC Liquid Freezer III 420 A-RGB - Water Cooling PC, Fan: 200-1700 RPM
ARCTIC

ARCTIC Liquid Freezer III 420 A-RGB - Water Cooling PC, Fan: 200-1700 RPM

Status: ARCTIC Liquid Freezer III 420 A-RGB - Water…: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

Bottom line: The ARCTIC Liquid Freezer III 420 A-RGB: Massive 420mm radiator delivers high thermal headroom for hot Intel and AMD CPUs; main trade-off: 420mm radiator won't fit many mid-tower or compact cases.

Unavailable on Amazon as of

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO… — $76.99 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

Similar: ARCTIC Liquid Freezer II 280 A-RGB… — $99.99 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

Similar: Thermalrlght Frozen Prism 240 White ARGB AIO… — $43.90 on Amazon as of 2026-10-21 04:15 UTC (price may vary).

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Massive 420mm radiator delivers high thermal headroom for hot Intel and AMD CPUs
  • ✓ Included LGA1851/LGA1700 contact frame evens contact pressure for better heat transfer
  • ✓ Native 5mm AMD offset mount targets the Ryzen chiplet hotspot
  • ✓ PWM-controlled VRM fan actively cools socket-area voltage converters
  • ✓ Fan cables routed inside the hose sleeving leave one connector to the board

Cons

  • ✗ 420mm radiator won't fit many mid-tower or compact cases
  • ✗ Oversized cooler can block the M.2_1 slot on some motherboards
  • ✗ Single integrated cable limits flexible fan-header placement
  • ✗ A-RGB version costs more than the plain non-RGB Liquid Freezer III

SpecPicks Verdict

SpecPicks scored ARCTIC Liquid Freezer III 420 A-RGB using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. ARCTIC's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • LGA1700 AND LGA1851 CONTACT FRAME: Improved contact pressure distribution through Intel mounting frame for efficient heat transfer, thanks to even CPU contact surface
  • NATIVE AMD OFFSET MOUNTING: Optimized for the multi-die chiplet design of Ryzen processors - 5mm offset for optimal coverage of the CPU hotspot, resulting in more efficient heat transfer
  • ACTIVE COOLING OF THE VOLTAGE CONVERTERS: PWM-controlled VRM fan that additionally cools components in the base area, such as voltage converters
  • INTEGRATED CABLE MANAGEMENT: The PWM cables of the radiator fans are integrated into the jacket of the hoses, which means that only one visible cable is connected to the motherboard
  • LIMITED COMPATIBILITY WITH A FEW MOTHERBOARDS: Oversized coolers on the M.2_1 slot can lead to compatibility problems. An overview and solution is available in the technical data, in the manual and on the manufacturer's website. Please use the compatibility check

Full Specifications

BrandARCTIC
ModelACFRE00145A
Voltage12 volts
Wattage4.5 watts
MaterialAluminium (Radiator), Copper, Micro Skived Fins (Cold Plate)
Unit Count1 Count
Part NumberACFRE00145A
CompatibilityPC
Material TypeAluminium (Radiator), Copper, Micro Skived Fins (Cold Plate)
Cooling MethodWater
Number of Items1
Number of Packs1
Air Flow Capacity69.9 cfm
Compatible Devices1851, 1700; AMD, AM5, AM4, Intel
Included ComponentsARCTIC Liquid Freezer III 420 A-RGB (Black)
Power Connector Type4-Pin
Warranty Description6 years
Maximum Rotational Speed1900 rpm
Item Dimensions L x W x H18.03"L x 5.51"W x 2.56"H
LGA1700 AND LGA1851 CONTACT FRAMEImproved contact pressure distribution through Intel mounting frame for efficient heat transfer, thanks to even CPU contact surface

Ready to buy?

Amazon shows no buyable offer for ARCTIC Liquid Freezer III 420 A-RGB - Water… at the last check. A similar in-stock product is ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $76.99

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