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Arctic

Arctic Liquid Freezer III Pro 420 A-RGB AIO CPU Cooler AM4/AM5/1700/1851 (Boxed)

SKU 27011 Brand Arctic EAN13 4895265000355
420mm AIO with PWM VRM fan, offset Intel/AMD mounting, Intel contact frame, P14 Pro A-RGB fans, 38mm radiator, MX-6 paste. Superior cooling, 6-year warranty, AM4/AM5/LGA1700/1851.
Cooling (CPU & Case) - Device Type CPU Liquid Cooler AIO
Cooling (CPU & Case) - Socket Support AMD AM4 AMD AM5 Intel LGA1700 Intel LGA1851
Cooling (CPU & Case) - Fan Size 140 mm
Cooling (CPU & Case) - AIO Radiator Size 420 mm
Cooling (CPU & Case) - Lightning RGB
Cooling (CPU & Case) - Connector 4-Pin PWM
Cooling (CPU & Case) - Color Black

The Arctic Liquid Freezer III Pro 420 A-RGB is a premium 420mm AIO CPU cooler featuring a PWM-controlled VRM fan for stable voltage regulator temperatures and offset mounting optimized for both Intel and AMD CPUs. It includes an Intel contact frame for improved pressure distribution and CPU longevity.

Equipped with three P14 Pro A-RGB fans (400-2500 RPM, 110 CFM, 5.2 mmH2O static pressure) and a 38mm thick aluminum radiator for superior heat dissipation and liquid capacity. Features integrated cable management, pre-applied MX-6 thermal paste (0.8g), and flexible control options via splitter cable. Pump runs 800-2800 RPM with copper micro-skived cold plate.

  • Socket compatibility: Intel LGA1851/1700, AMD AM5/AM4
  • Tube length: 500mm, EPDM with fiber reinforcement
  • VRM fan: 400-2500 RPM with 12x A-RGB Gen2 LEDs
  • 6-year warranty, operating temp 0-40°C
  • Weight: 2358g (product), easy installation with online manual
TIMMX-6 (0.8 g)
Warranty6 Years
Operating Ambient Temperature0—40 °C
Pump Speed800–2800 rpm (PWM controlled)
Pump Current | Voltage0.35 A | 12 V DC
Cold PlateCopper, Micro Skived Fins
Tube Length500 mm
Tube Diameter Outer12.4 mm
Tube Diameter Inner6.0 mm
Weight (Product)2358 g
Intel Socket CompatibilityLGA1851, LGA1700
AMD Socket CompatibilityAM5, AM4
Radiator MaterialAluminium
Radiator Dimensions458 (L) x 138 (W) x 38 (H) mm
VRM Fan Speed400–2500 rpm (PWM-controlled)
VRM Fan Current | Voltage0.05 A | 12 V DC
VRM LEDs12x A-RGB Gen2 LEDs, 0.40 A | 5 V DC
Radiator Fans3x P14 Pro A-RGB
Fan Speed400–2500 rpm
Fan Airflow110 cfm | 186 m³/h
Fan Static Pressure5.2 mmH2O
Fan BearingFluid Dynamic Bearing
Fan Connector4-Pin PWM