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ARCTIC Liquid Freezer III 420 vs DeepCool AK400 G2: Comparison

ARCTIC Liquid Freezer III 420 and DeepCool AK400 G2 separate most on fan count: ARCTIC Liquid Freezer III 420 at 3, DeepCool AK400 G2 at 1, 67% in favour of ARCTIC Liquid Freezer III 420. Warranty splits them by another 50%, again favouring ARCTIC Liquid Freezer III 420.

ARCTIC Liquid Freezer III 420 (420mm AIO Liquid/Integrated VRM Fan/PWM Pump/Excellent Value Flagship)
ARCTICARCTIC Liquid Freezer III 420
DeepCool AK400 G2 (Single-Tower Air/4 Copper Heatpipes/220W TDP/120mm FDB Fan/Woodgrain or Digital Display)
DeepCoolDeepCool AK400 G2

Specs

Specification
ARCTIC Liquid Freezer III 420 (420mm AIO Liquid/Integrated VRM Fan/PWM Pump/Excellent Value Flagship)
ARCTIC Liquid Freezer III 420
DeepCool AK400 G2 (Single-Tower Air/4 Copper Heatpipes/220W TDP/120mm FDB Fan/Woodgrain or Digital Display)
DeepCool AK400 G2
BrandARCTICDeepCool
Cooler TypeAIO LiquidAir Tower
SeriesARCTIC Liquid Freezer III 420DeepCool AK400 G2
Model NumberACFRE00137AR-AK400G2-BKNNMN-GJD
Socket CompatibilityAMD AM4/AM5, Intel LGA1851/1700AMD AM5/AM4, Intel LGA1851/1700/1200/115X
Tower LayoutNot ApplicableSingle-Tower
Fan Count31-67%
Cooler Weight2235 g950 g
Fan Size140 mm120 mm
Max Speed1700 RPM-23%2200 RPM
Airflow72.8 CFM63.4 CFM-13%
Static Pressure2.4 mmH2O-28%3.33 mmH2O
PWM ControlYesYes
Warranty6 years3 years-50%
Fans3x P14 PWM, 140mm1x 120mm Hydro Bearing PWM, up to 2200 RPM
Source URLhttps://www.arctic.de/us/Liquid-Freezer-III-420/ACFRE00137Ahttps://www.deepcool.com/products/Cooling/cpuaircoolers/AK400-G2-Wood-Grain-Top-Cover-CPU-Cooler/2025/21908.shtml

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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