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The Alphacool Pro Aurora 420 CPU AIO is a liquid cooling kit designed to provide efficient thermal management for modern desktop and workstation processors. The kit includes a 420 mm radiator designed to accommodate three 140 mm fans, and comes in a two-tone black and white finish suitable for contemporary builds. Engineered for compatibility with a wide range of sockets, this AIO supports many high-performance CPUs while delivering strong airflow and air pressure characteristics for effective heat dissipation.

Advantages

The Alphacool Pro Aurora 420 combines a large surface-area radiator with 140 mm fans that supply up to 154.1 m³/h airflow and a minimum air pressure of 2.2 mmH2O, balancing airflow and static pressure for radiator use. The two-colour design allows integration into varied system aesthetics without requiring additional customization. Broad socket support increases the kit's applicability across consumer and professional platforms, while the liquid cooling approach provides lower CPU temperatures compared with many air coolers in similar installation scenarios.

Suitable for

• High-performance gaming desktops that require sustained CPU cooling
• Workstation builds used for content creation and 3D rendering
• Systems with cases that accept a 420 mm radiator and three 140 mm fan mounts
• Users seeking a balanced combination of airflow and radiator-mounted static pressure

Key specifications

• Type: Liquid cooling kit
• Fan diameter: 140 mm
• Airflow (per fan): up to 154.1 m³/h
• Minimum air pressure: 2.2 mmH2O
• Radiator size: 420 mm (fits three 140 mm fans)
• Supported processor sockets: Socket sTRX4, Socket TR4, Socket SP3, Socket AM4, LGA 4189, LGA 3647 (Socket P), LGA 2066, LGA 2011-v3 (Socket R), LGA 2011 (Socket R), LGA 1700, Socket TRX40
• Product colour: Black, White

How to use

Install the radiator into a compatible case location that supports a 420 mm radiator and three 140 mm fans, following standard orientation for optimal airflow through the radiator. Mount the pump/block assembly onto the CPU according to the included mounting brackets for the selected socket, ensuring an even application of thermal interface material. Connect fan and pump power to the motherboard or controller headers as specified in your case and motherboard manual, and verify that fans and pump operate at appropriate speeds during initial startup and thermal testing.

Recommendations

For reliable long-term performance, ensure the case offers sufficient airflow intake and exhaust, maintain regular dust cleaning of radiator fins and fans, and confirm compatibility with your case and motherboard before installation. When used in systems with high sustained CPU loads, monitor temperatures after initial deployment to adjust fan and pump curves if necessary.