Description
The ARCTIC Freezer III Pro 420mm represents the pinnacle of all-in-one liquid cooling technology, delivering exceptional thermal performance for high-end gaming PCs and workstations. With its expansive 420mm radiator and advanced pump design, this cooler provides superior heat dissipation for even the most demanding processors and overclocking scenarios. The Freezer III Pro combines ARCTIC’s renowned engineering expertise with modern aesthetics, featuring customisable RGB lighting and a sleek, professional design that complements any build.
Massive 420mm Radiator for Maximum Cooling
The extra-large 420mm radiator provides significantly more surface area than standard 360mm coolers, enabling superior heat dissipation and lower operating temperatures. Three high-performance 140mm fans deliver exceptional airflow while maintaining whisper-quiet operation, perfect for demanding workloads and extended gaming sessions.
Advanced Pump Technology
Featuring ARCTIC’s latest generation pump design, the Freezer III Pro delivers improved coolant flow and reduced noise levels. The optimised pump ensures reliable, long-lasting performance with minimal maintenance, backed by ARCTIC’s reputation for quality and durability in cooling solutions.
Universal Compatibility
Compatible with all modern CPU sockets including Intel LGA1700, LGA1200, and AMD AM5, AM4 platforms. The straightforward mounting system ensures hassle-free installation, while the pre-applied thermal paste guarantees optimal thermal transfer right out of the box.
RGB Lighting and Premium Aesthetics
Customisable RGB lighting on the pump head allows you to personalise your build’s appearance, synchronising with popular motherboard RGB ecosystems. The sleek, modern design with braided tubing adds a premium touch to any gaming or enthusiast PC build.



