ARCTIC COOLING

Part #: ACFRE00185A

Item Code: COARL00285

Arctic Liquid Freezer III PRO 420 A-RGB AIO CPU Water Cooler Black

Arctic Liquid Freezer III PRO 4200 A-RGB AIO CPU Water Cooler Black
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  • Arctic Liquid Freezer III PRO 4200 A-RGB AIO CPU Water Cooler Black
  • Arctic Liquid Freezer III PRO 4200 A-RGB AIO CPU Water Cooler Black
  • Arctic Liquid Freezer III PRO 4200 A-RGB AIO CPU Water Cooler Black
  • Arctic Liquid Freezer III PRO 4200 A-RGB AIO CPU Water Cooler Black
  • Arctic Liquid Freezer III PRO 4200 A-RGB AIO CPU Water Cooler Black
  • Arctic Liquid Freezer III PRO 4200 A-RGB AIO CPU Water Cooler Black
ARCTIC COOLING

Part #: ACFRE00185A

Item Code: COARL00285

Arctic Liquid Freezer III PRO 420 A-RGB AIO CPU Water Cooler Black

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$229.99
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  • 2 Year
    $34.50
  • 3 Year
    $39.10

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1 Available at London Masonville, ON

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For Quebec residents: Please refer to the Availability Guarantee disclosure in the Warranty and Return section below.

1. Are RGB fans worse for cooling?

A: No. RGB has no impact on cooling performance—fan design and airflow matter, not lighting.

2. Is liquid cooling risky?

A: Modern AIO liquid coolers are very safe. Failures are rare, but air coolers still win for absolute simplicity and zero leak risk.

Arctic Liquid Freezer III PRO 420 A-RGB — AIO CPU Water Cooler (Black)

The Arctic Liquid Freezer III PRO 420 A-RGB Black is a premium all-in-one (AIO) liquid CPU cooler that delivers top-tier cooling performance, quiet operation, and stylish RGB lighting in a sleek black design. With an extra-large 420 mm radiator and powerful fans, it’s perfect for high-end gaming rigs, content-creation workstations, and overclocked systems that demand serious thermal performance.

What This AIO CPU Cooler Offers

  • Massive 420 mm Radiator for Extreme Heat Dissipation
    The large 420 mm radiator provides exceptional cooling capacity — ideal for high-TDP CPUs, sustained workloads, and overclocked configurations. More surface area = more heat removed from your processor.

  • Efficient A-RGB Fans
    Equipped with multiple 140 mm fans featuring addressable RGB lighting, this cooler combines performance with eye-catching effects that you can sync with compatible motherboards or lighting controllers.

  • Quiet yet Powerful Cooling
    Arctic designs its pump and fan system to balance excellent airflow and low noise. You get strong thermal performance without loud fans disrupting your system’s acoustics.

  • All-in-One Convenience
    This AIO cooler comes pre-filled and sealed, so installation is simple — no custom loop complexity, no refilling, just mount the radiator and pump block and you’re ready.

  • Sleek Black Finish
    The all-black aesthetic blends with most build themes and allows the RGB lighting to shine without distraction.

  • Broad Socket Compatibility
    Works with a wide range of modern Intel and AMD CPU sockets, so it will fit most current systems.

Specifications Summary

  • Cooler Type: All-in-One (AIO) liquid CPU cooler

  • Radiator Size: 420 mm

  • Fans: Multiple 140 mm A-RGB fans

  • Lighting: Addressable RGB (A-RGB)

  • Color: Black

  • Compatibility: Modern Intel & AMD CPU sockets

  • Ideal For: High-end gaming, overclocking, content creation, performance workstations

What Makes It Stand Out

The Arctic Liquid Freezer III PRO 420 A-RGB Black is designed for enthusiasts and power users who need maximum cooling performance without custom water loops. The larger radiator and larger A-RGB fans push more airflow and thermal dissipation than smaller AIOs, making it especially effective for heavily loaded CPUs and extended gaming or creative workloads.

Backed by Arctic, this cooler combines powerful thermals, low noise levels, and striking RGB lighting — a compelling package for premium PCs where both performance and style matter.




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