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Arctic Liquid Freezer III 240 vs ARCTIC Liquid Freezer III 420: Comparison

Arctic Liquid Freezer III 240 and ARCTIC Liquid Freezer III 420 separate most on radiator size: Arctic Liquid Freezer III 240 at 240 mm, ARCTIC Liquid Freezer III 420 at 420 mm, 43% in favour of ARCTIC Liquid Freezer III 420. Fan Count splits them by another 33%, again favouring ARCTIC Liquid Freezer III 420. They match on 10 other specifications, including cooler type, socket compatibility and tower layout.

Arctic Liquid Freezer III 240 (240mm AIO Liquid/Best-Value Compact AIO/PWM Pump/VRM Fan/AM5-AM4/LGA1851-1700)
ArcticArctic Liquid Freezer III 240
ARCTIC Liquid Freezer III 420 (420mm AIO Liquid/Integrated VRM Fan/PWM Pump/Excellent Value Flagship)
ARCTICARCTIC Liquid Freezer III 420

Specs

Specification
Arctic Liquid Freezer III 240 (240mm AIO Liquid/Best-Value Compact AIO/PWM Pump/VRM Fan/AM5-AM4/LGA1851-1700)
Arctic Liquid Freezer III 240
ARCTIC Liquid Freezer III 420 (420mm AIO Liquid/Integrated VRM Fan/PWM Pump/Excellent Value Flagship)
ARCTIC Liquid Freezer III 420
BrandArcticARCTIC
Cooler TypeAIO LiquidAIO Liquid
Radiator Size240 mm-43%420 mm
SeriesArctic Liquid Freezer III 240ARCTIC Liquid Freezer III 420
Model NumberACFRE00134AACFRE00137A
Socket CompatibilityAMD AM4/AM5, Intel LGA1851/1700AMD AM4/AM5, Intel LGA1851/1700
Tower LayoutNot ApplicableNot Applicable
Fan Count2-33%3
Cooler Weight1490 g2235 g
Radiator Thickness38 mm38 mm
Tube Length450 mm450 mm
Pump Max Speed2800 RPM2800 RPM
VRM FanYesYes
Fan Size120 mm140 mm
Max Speed1800 RPM1700 RPM-6%
Airflow56.3 CFM-23%72.8 CFM
Static Pressure2.2 mmH2O-8%2.4 mmH2O
Bearing TypeFluid DynamicFluid Dynamic
PWM ControlYesYes
Warranty6 years6 years
PumpPWMPWM-Controlled
Special FeaturesIntegrated VRM FanIntegrated VRM Fan on Pump Head
Source URLhttps://www.arctic.de/us/Liquid-Freezer-III-240/ACFRE00134Ahttps://www.arctic.de/us/Liquid-Freezer-III-420/ACFRE00137A

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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