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ARCTIC Liquid Freezer III 420 vs Arctic Liquid Freezer III Pro 420 A-RGB: Comparison

ARCTIC Liquid Freezer III 420 and Arctic Liquid Freezer III Pro 420 A-RGB separate most on static pressure: ARCTIC Liquid Freezer III 420 at 2.4 mmH2O, Arctic Liquid Freezer III Pro 420 A-RGB at 5.2 mmH2O, 54% in favour of Arctic Liquid Freezer III Pro 420 A-RGB. Airflow splits them by another 34%, again favouring Arctic Liquid Freezer III Pro 420 A-RGB. They match on 13 other specifications, including cooler type, radiator size and socket compatibility.

ARCTIC Liquid Freezer III 420 (420mm AIO Liquid/Integrated VRM Fan/PWM Pump/Excellent Value Flagship)
ARCTICARCTIC Liquid Freezer III 420
Arctic Liquid Freezer III Pro 420 A-RGB (420mm AIO Liquid/Current 420mm Cooling Leader/Integrated VRM Fan/ARGB)
ArcticArctic Liquid Freezer III Pro 420 A-RGB

Specs

Specification
ARCTIC Liquid Freezer III 420 (420mm AIO Liquid/Integrated VRM Fan/PWM Pump/Excellent Value Flagship)
ARCTIC Liquid Freezer III 420
Arctic Liquid Freezer III Pro 420 A-RGB (420mm AIO Liquid/Current 420mm Cooling Leader/Integrated VRM Fan/ARGB)
Arctic Liquid Freezer III Pro 420 A-RGB
BrandARCTICArctic
Cooler TypeAIO LiquidAIO Liquid
Radiator Size420 mm420 mm
SeriesARCTIC Liquid Freezer III 420Arctic Liquid Freezer III Pro 420 A-RGB
Model NumberACFRE00137AACFRE00185A
Socket CompatibilityAMD AM4/AM5, Intel LGA1851/1700AMD AM4/AM5, Intel LGA1851/1700
Tower LayoutNot ApplicableNot Applicable
Fan Count33
RGB LightingNoYes
Cooler Weight2235 g2358 g
Radiator Thickness38 mm38 mm
Tube Length450 mm500 mm
Pump Max Speed2800 RPM2800 RPM
VRM FanYesYes
Contact Frame IncludedYesYes
Fan Size140 mm140 mm
Max Speed1700 RPM-32%2500 RPM
Airflow72.8 CFM-34%110 CFM
Static Pressure2.4 mmH2O-54%5.2 mmH2O
Bearing TypeFluid DynamicFluid Dynamic
PWM ControlYesYes
LightingNoneARGB
Warranty6 years6 years
PumpPWM-ControlledPWM
Special FeaturesIntegrated VRM Fan on Pump HeadIntegrated VRM Fan, ARGB Lighting
Source URLhttps://www.arctic.de/us/Liquid-Freezer-III-420/ACFRE00137Ahttps://www.arctic.de/en/Liquid-Freezer-III-Pro-420-A-RGB/ACFRE00185A

Verdict

ARCTIC Liquid Freezer III 420

9 / 10 Expert Rating

One of the best value-per-degree AIOs available at any radiator size, now in its largest non-Pro form.

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