Description
ARCTIC Liquid Freezer III Pro 420 A-RGB (White) (ACFRE00189A) — a flagship 420mm All-in-One CPU liquid cooler in a premium white finish, featuring a 38mm thick radiator, three P14 Pro A-RGB 140mm fans with 12× A-RGB Gen2 LEDs each, and a built-in VRM cooling module — the ultimate choice for white PC builds demanding extreme TDP performance with vivid addressable RGB lighting.
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>420mm Radiator: 38mm thick aluminium — 23% larger cooling surface vs standard 27mm radiators
>Fans: 3× ARCTIC P14 Pro A-RGB (140mm) — 400–2500 RPM PWM, 110 CFM, 5.2 mmH₂O static pressure, Fluid Dynamic Bearing
>A-RGB Lighting: 12× A-RGB Gen2 LEDs per fan + pump block, 3-Pin A-RGB connector (daisy-chain support)
>Pump: 800–2800 RPM PWM-controlled, Copper Micro Skived Fin cold plate
>VRM Cooling: Built-in VRM fan (400–2500 RPM) actively cools motherboard power delivery
>Socket Support: Intel LGA1851, LGA1700 | AMD AM5, AM4
>Tubing: 500mm — Outer Ø 12.4mm / Inner Ø 6.0mm
>Included TIM: ARCTIC MX-6 (0.8g) pre-applied
>Warranty: 6 Years
| Specification | Detail |
|---|---|
| Brand | ARCTIC |
| Model | Liquid Freezer III Pro 420 A-RGB (White) |
| SKU | ACFRE00189A |
| Colour | White |
| Type | 420mm AIO CPU Liquid Cooler |
| Radiator Dimensions | 458 × 138 × 38mm |
| Radiator Material | Aluminium |
| Radiator Thickness | 38mm (23% larger surface vs standard) |
| Cold Plate | Copper, Micro Skived Fins |
| Fans | 3× ARCTIC P14 Pro A-RGB (140mm) |
| Fan Speed | 400–2500 RPM (PWM) |
| Fan Airflow | 110 CFM / 186 m³/h |
| Static Pressure | 5.2 mmH₂O |
| Fan Bearing | Fluid Dynamic Bearing (FDB) |
| Fan Connector | 4-Pin PWM |
| A-RGB LEDs | 12× A-RGB Gen2 LEDs per fan |
| A-RGB Connector | 3-Pin A-RGB Plug + 3-Pin Socket (daisy-chain) |
| A-RGB Voltage | 0.40A / 5V DC |
| Pump Speed | 800–2800 RPM (PWM) |
| Pump Voltage | 12V DC / 0.35A |
| VRM Fan Speed | 400–2500 RPM (PWM) |
| VRM Fan Voltage | 12V DC / 0.05A |
| Tube Length | 500mm |
| Tube Diameter | Outer 12.4mm / Inner 6.0mm |
| Socket — Intel | LGA1851, LGA1700 |
| Socket — AMD | AM5, AM4 |
| TDP | 420W (PI) / 376W (NNPI) |
| Included TIM | ARCTIC MX-6 (0.8g) |
| Operating Temp | 0°C – 40°C |
| Total Weight | 2358g |
| Box Dimensions | 447 × 328 × 158mm |
| Warranty | 6 Years |

