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Black all-in-one liquid cooler with 420 mm radiator, three 140 mm ARGB fans and integrated pump block

ARCTIC COOLING

ARCTIC COOLING ACFRE00145A Liquid Freezer III 420 A-RGB liquid cooler

SKU CH-Q2DJ-FGR89 MPN ACFRE00145A

All-in-one CPU liquid cooler with a 420 mm aluminium radiator, three 140 mm PWM fans and addressable RGB lighting

  • TypeLiquid Cooling System
  • Block CompatibilityAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1700
  • Pump Speed800 - 2800 rpm (PWM controlled)
  • Radiator Size458 (L) x 138 (W) x 38 (H) mm
  • Radiator MaterialAluminum
  • Fan Size3 Fan Slots (140 mm)

Fan Size 3 Fan Slots (140mm)

Color Black

  • 420 mm radiator with three 140 mm fans delivers 69.90 cfm airflow
  • Integrated VRM fan spins 400-2500 rpm to cool motherboard voltage regulators
  • Single combined cable through hose jacket simplifies motherboard connection
  • MX-6 thermal compound included for immediate installation
  • Compatible with Intel LGA 1700, 1851 and AMD AM4, AM5 sockets

Liquid Freezer III 420 A-RGB

The Liquid Freezer III 420 A-RGB is an all-in-one CPU water cooler built for Intel LGA1700, LGA1851 and AMD AM4, AM5 sockets. It arrives with three 140 mm radiator fans pre-installed in push configuration and integrated cable routing. A 60 mm VRM fan provides targeted airflow for motherboard voltage converters. The package includes MX-6 thermal compound for immediate installation.

Thermals, noise and power

The pump runs between 800 and 2800 rpm under PWM control while radiator fans span 200 to 1900 rpm and the VRM fan covers 400 to 2500 rpm. All fans use fluid dynamic bearings for quiet operation. Combined airflow reaches 69.90 cfm or 117.06 m3/h at a static pressure of 2.0 mmH2O. The ARGB lighting draws 0.40 A at 5 V DC through a 3-pin connector.

Upgrade path and fit

This cooler replaces stock air coolers or smaller AIOs when CPU thermals throttle performance or VRM temperatures rise under sustained loads. The 450 mm tube length and 458 mm radiator require a case with a 420 mm mounting location. Builders using compact chassis or motherboards without a 3-pin ARGB header cannot use the lighting or VRM fan features.

Ciri-ciri utama

  • 420 mm radiator with three 140 mm fans delivers 69.90 cfm airflow
  • Integrated VRM fan spins 400-2500 rpm to cool motherboard voltage regulators
  • Single combined cable through hose jacket simplifies motherboard connection
  • MX-6 thermal compound included for immediate installation
  • Compatible with Intel LGA 1700, 1851 and AMD AM4, AM5 sockets

Spesifikasi

BrandARCTIC COOLING
ModelLiquid Freezer III 420 A-RGB
Part NumberACFRE00145A
TypeLiquid Cooling System
Block CompatibilityAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1700
Pump Speed800 - 2800 rpm (PWM controlled)
Radiator Size458 (L) x 138 (W) x 38 (H) mm
Radiator MaterialAluminum
Fan Size3 Fan Slots (140 mm)
Bearing TypeFluid Dynamic Bearing
Fan RPMVRM Fan: 400 - 2500 rpm (PWM controlled)
Radiator Fan: 200 - 1900 rpm
Fan Air Flow69.90 cfm / 117.06 m3/h
Fan Connector4-Pin PWM Connector
ColorBlack
LED ColorARGB
Pressure2.0 mmH2O
Tube Dim.Tube Length: 450 mm
Tube Diameter Outer: 12.4 mm, Inner: 6.0 mm
FeaturesRGB Specifications
LEDs: 12x A-RGB LEDs
Current / Voltage: 0.40 A / 5 V DC
Cable Length: 40 mm + 80 mm Splitter Cable
Connector: 3-Pin A-RGB Connector + 3-Pin Plug
Berat penghantaran2.99 kg
Dimensi bungkusan546 × 413 × 337 mm

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How do I mount the block on an LGA 1700 socket without bending the bracket?

The kit includes a dedicated Intel bracket. Align the four spring-loaded screws with the motherboard back-plate, tighten them in a cross pattern until the springs are fully compressed, then connect the single 4-pin PWM lead and the 3-pin ARGB plug.

Which parts will need replacement first and how often?

The three 140 mm fluid-dynamic-bearing fans are rated for long life; the pump runs at 800-2800 rpm and the VRM fan at 400-2500 rpm. Under normal use expect several years before any fan or pump service is required.

What thermal limit appears first during a long, heavy workload?

The 420 mm aluminium radiator (458 × 138 × 38 mm) with 450 mm tubes and 2.0 mmH₂O static pressure will reach its heat-dissipation ceiling before the pump or fans hit maximum speed, causing coolant temperature to climb.

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