The Arctic Liquid Freezer III Pro 420 A-RGB is a high-performance all-in-one (AiO) liquid cooling solution suitable for both Intel and AMD processors. With a generous 420 mm radiator, this cooling system provides effective heat dissipation optimized for demanding applications and gaming scenarios. The combination of three 140 mm fans ensures excellent airflow and quiet cooling performance, while the A-RGB lighting adds a customizable visual component that enhances the overall look of the PC setup. The installation is user-friendly, making it easy for both experienced users and beginners to quickly and efficiently integrate the cooling system into their setup. Its high compatibility with various processor sockets, including AM4, AM5, LGA 1700, and LGA 1851, makes this product a flexible choice for different builds.
LED lighting | ARGB, Multicoloured |
CPU Water Cooling Type | AiO water cooling |
Socket | AM4, AM5, LGA 1700, LGA 1851 |
Bottom plate material | Copper |
Number of fans | 3 Fan |
Fan dimension | 140 mm |
Item number | 60007812 |
Manufacturer | Arctic |
Category | CPU water coolers |
Manufacturer No. | ACFRE00185A |
Release date | 8.7.2025 |
Sales rank in Category CPU water coolers | 29 of 1227 |
External links |
Colour | Black |
Exact colour description | Black |
LED lighting | ARGB, Multicoloured |
CPU Water Cooling Type | AiO water cooling |
Socket | AM4, AM5, LGA 1700, LGA 1851 |
Bottom plate material | Copper |
Number of fans | 3 Fan |
Fan dimension | 140 mm |
Max. Speed | 2500 RPM |
Airflow | 186 m³/h |
Static pressure | 5.20 mmH20 |
Hose length | 50 cm |
Radiator thickness | 38 mm |
Country of origin | China |
CO₂ emissions | 27.27 kg |
Climate contribution | CHF 0.66 |
Length | 458 mm |
Width | 138 mm |
Height | 65 mm |
Length | 44.50 cm |
Width | 33.10 cm |
Height | 16 cm |
Weight | 3.48 kg |
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The only differences to the non-Pro version are the fans installed. Compared to the standard P12 model, the fans rotate at a higher maximum speed, but also deliver more power at a lower noise level. Apart from that, the cooling is hardly any different. The VRM fan, the 38 mm thick radiator and the pump design have obviously been retained...