---
title: "Arctic Liquid Freezer III Pro 420 (Noir)"
description: "All-in-one watercooling kit 420 mm for processor"
url: https://electrovideo.eu/en/product/arctic-liquid-freezer-iii-pro-420-noir/
date: 2025-09-17
modified: 2026-06-11
author: "Bart Somers"
image: https://electrovideo.eu/wp-content/uploads/2025/09/LD0006241517_0006264274.jpg
type: product
lang: en
sku: "ACFRE00181A"
product_type: simple
price: 114
currency: EUR
availability: instock
stock_quantity: 2
---

# Arctic Liquid Freezer III Pro 420 (Noir)

## Arctic Liquid Freezer III Pro: Performant and aesthetic

with the kit of liquid cooling for CPU all-in-one** Liquid Freezer III Pro**, **Arctic** met tout its expertise to the service of the gaming thanks to a pump improved specially developed in-house and PWM-controlled. Grâce with this system, elle ne fonctionne pas with full load all the time, but adjusts its operation on the temperature of the processor for limiter its noise level at idle. L’ensemble is complété par of the high static pressure fans and a autre fan of 60 mm près of the pump en load of the cooling of the circuits VRM of the motherboard.

![](https://electrovideo.eu/wp-content/uploads/2026/06/arctic_liquid_freezer_3_pro.jpg)

## Profitez of l’expertise Arctic

- the Liquid Freezer III Pro is ready to use thanks to its fans of radiator pre-installed in push setup.
- with the splitter cable, the pump, the fan VRM and the fans of the radiator can be controlled separately or synchronizeds via a single PWM signal with the câble all-in-one
- Pâte thermal MX-6 included
- Fan VRM of 60 mm contrôlé par PWM allows a cooling of the zone of the socket lorsque the cooling VRM is insuffisant, en cas of mauvais airflow or surtout in the scénarios of overclocking.
- the Liquid Freezer III Pro is equipped with ae water pump specially developed in-house, PWM-controlled, which has been optimized in terms of performance and of noise.
- the cold plate improved with a extended fin surface and of the optimized water channels allows to the Liquid Freezer III Pro of increase its performance while while maintaining quiet operation.
- the surface of cooling of the radiator of 38 mm of thickness has been extended of 23 % thanks to the increased fin stack. This not only enables a better heat dissipation, but also a larger liquid volume.
- the Liquid Freezer III Pro relies on the fans of the series P Pro which feature high static pressure.