The Thermaltake Pacific SR420 Slim Radiator is designed for custom liquid cooling systems and features a slim profile that optimizes space utilization in PC builds. With a length of 420 mm, this radiator supports the installation of up to three 140 mm high-pressure fans for efficient heat dissipation. The aluminum core construction provides lasting thermal performance while maintaining a lightweight design of approximately 1.2 kg. The snow-white finish ensures aesthetic compatibility with various PC build themes. The modular design allows for flexible configuration options and integration into different cooling loop setups. The improved fin array design maximizes surface area for enhanced heat transfer efficiency. This radiator is compatible with standard G1/4 threaded fittings and has been pressure tested to ensure reliable, leak-free operation. Its slim form factor, with a thickness of 30 mm, makes it suitable for compact PC cases where space is critical. Constructed with corrosion-resistant materials, the radiator offers long-term reliability in custom cooling applications. The design focuses on balancing thermal performance and physical dimensions, making it suitable for both gaming systems and workstation builds that require an efficient heat management solution.