The be quiet Silent Loop 3 420mm is a high-performance all-in-one (AIO) liquid cooler tailored for enthusiasts and workstation users. It is a part of the Silent Loop 3 series, which also includes 360mm and 240mm versions. However, the 420mm model is distinct due to its larger radiator size and improved cooling efficiency.

This cooler features a sophisticated all-black design with subtle ARGB LEDs that can be optionally illuminated, giving it a unique aesthetic. The cooling block is remarkable, boasting an impressive 1,800 mm² fin area, which is substantially larger than many other AIO coolers available today. This design enhancement is made possible through a specially developed screwless mechanism for attaching the heat plate, ensuring maximum heat transfer and coverage of all CPU hotspots.

Key Specifications

• Dimensions: 475 x 140 x 52 mm (radiator with fans), 93.5 x 80 x 56 mm (cooling block)
• Weight: Approximately 2.01 kg
• Socket Compatibility: Supports a variety of CPU sockets including Intel 1851, 1700, 1200, 1150, 1151, 1155 and AMD AM5, AM4, TR5, TR4

Fan Performance

• Number of Fans: 3 Silent Wings 4 fans (140mm x 25mm)
• Max Fan Speed: 1900 RPM
• Max Fan Airflow: 78.4 CFM
• Max Fan Static Pressure: 2.36mm-H2O

Additional Features

• ARGB Lighting: Unique and customizable visual effects
• Mounting Hardware: Includes all necessary components for both Intel and AMD systems
• Cooling Performance: Designed for high-end processors, capable of cooling Threadripper processors

In conclusion, the be quiet Silent Loop 3 420mm is a product of exceptional German engineering, delivering remarkable cooling performance with minimal noise. Its unique features and advanced technology make it an excellent option for those seeking reliability and efficiency in liquid cooling solutions.