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Arctic liquid freezer III pro 420 black 420mm aio CPU cooler triple 140mm p14 pro fans vrm fan copper base
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Description
Item No.
accedf7a-3d4b-4617-8fda-5defdb3b37d1
ARCTIC Liquid Freezer III Pro 420 Black CPU Cooler
420mm AIO38mm RadiatorTriple P14 ProIntegrated VRM Fan
The ARCTIC Liquid Freezer III Pro 420 in black (part number ACFRE00181A) is a 420mm all-in-one liquid CPU cooler built for maximum thermal headroom, in a clean non-RGB design. A thick 38mm radiator, three 140mm P14 Pro fans and a copper micro-skived cold plate handle the hottest Intel and AMD processors, while an integrated VRM fan actively cools the motherboard power stages around the sock
Attributes
Aoi Cooler Characteristics
- Supported CPU Sockets: Socket 1700, Socket AM5, Socket AM4, Socket 1851
Details
ARCTIC Liquid Freezer III Pro 420 Black CPU Cooler
420mm AIO38mm RadiatorTriple P14 ProIntegrated VRM Fan
The ARCTIC Liquid Freezer III Pro 420 in black (part number ACFRE00181A) is a 420mm all-in-one liquid CPU cooler built for maximum thermal headroom, in a clean non-RGB design. A thick 38mm radiator, three 140mm P14 Pro fans and a copper micro-skived cold plate handle the hottest Intel andAMD processors, while an integrated VRM fan actively cools the motherboard power stages around the socket. Typically in stock with fast delivery across Cyprus.
Compatibility — check before buying:
Requires a case with 420mm radiator support (radiator is 458mm long, 38mm thick — check clearance). Fits Intel LGA 1851 and 1700 (Intel contact frame included) andAMD AM5 and AM4. This is a non-RGB cooler with no lighting connector — ideal for stealth, high-performance builds.
Best For
✓Overclocked high-core CPUs (Core i9, Ryzen 9)
✓Stealth / non-RGB high-performance builds
✓Motherboards that benefit from active VRM cooling
✓Next-gen platforms on LGA 1851 andAMD AM5
✓Full towers with 420mm radiator mounts
✓Maximum cooling per euro without lighting
Key Features
Thick 38mm 420mm Radiator
A 458 x 138 x 38mm aluminium radiator offers far more coolant-to-air surface than standard 27mm units, giving the hottest CPUs extra sustained thermal headroom.
Triple P14 Pro Fans
Three 140mm P14 Pro fans spin 400-2500 RPM for up to 110 CFM airflow and 5.2 mmH2O static pressure, with a wide PWM range for quiet idle running.
Integrated VRM Fan
A built-in VRM fan (400-2500 RPM PWM) actively cools the motherboard power stages around the socket — a rare feature that helps stability under heavy, sustained loads.
Clean Non-RGB Design
With no RGB or lighting connector, the Pro 420 keeps a tidy, understated black look while a copper micro-skived cold plate and pre-applied MX-6 paste ensure strong cooling.
Technical Specifications
| Identification | |
| Brand | ARCTIC |
| Model | Liquid Freezer III Pro 420 (Black) |
| Part Number | ACFRE00181A |
| EAN / GTIN | 4895265000348 |
| MPN | ACFRE00181A |
| Radiator | |
| Dimensions | 458 x 138 x 38 mm |
| Material | Aluminium |
| Thickness | 38 mm |
| Tube Length | 500 mm (reinforced EPDM, braided) |
| Fans | |
| Configuration | 3 x P14 Pro (140 mm) |
| Fan Speed | 400-2500 RPM (PWM) |
| Airflow | 110 CFM (186 m³/h) |
| Static Pressure | 5.2 mmH2O |
| Pump / VRM / Cold Plate | |
| Pump Speed | 800-2800 RPM (PWM) |
| VRM Fan | 400-2500 RPM (PWM) integrated |
| Cold Plate | Copper, micro-skived fins |
| Lighting / Display | |
| RGB | None (no lighting) |
| Display | None — no LCD |
| Socket Compatibility | |
| Intel | LGA 1851, 1700 (contact frame included) |
| AMD | AM5, AM4 |
| General | |
| Colour | Black |
| In the Box | MX-6 thermal paste (0.8 g) |
| Warranty | 1-Year Warranty (Singular) |
Frequently Asked Questions
Singular Expert Insight
The Liquid Freezer III Pro 420 (non-RGB) is all about raw cooling value: the extra-thick 38mm radiator and integrated VRM fan push it ahead of thinner 360mm AIOs for the hottest overclocked chips, and skipping RGB keeps the price and the look clean. If you want lighting, pick the A-RGB version; for pure performance-per-euro this is one of the strongest picks. Browse our CPU coolers range, and make sure your build has enough headroom with a quality unit from our PC power supplies selection.
Buyer's Guide
Buy it if
You have a 420mm-capable case and want maximum, quiet cooling for a hot overclocked CPU with active VRM cooling and a clean non-RGB black look.
Skip it if
You want RGB lighting or an LCD, or your case only fits up to 360mm radiators.
Also consider
The A-RGB version for lighting, or the 360mm Liquid Freezer III Pro for smaller cases.