The be quiet! Silent Loop 3 420mm is a high-performance all-in-one liquid cooler designed for enthusiasts who demand both exceptional thermal performance and near-silent operation. Finished in sleek black aluminium, this 420mm radiator cooler comes equipped with three fans and features ARGB illumination with RGB lighting, adding a refined visual touch to any build. With a total weight of 2.01 kg and tubing length of 400mm, it offers a solid and flexible installation experience across a wide range of systems.
Powerful and Quiet Cooling Performance
At the heart of the Silent Loop 3 420mm is a robust pump running at up to 3500 RPM via a 4-pin connector, ensuring consistent and efficient coolant circulation. The three fans spin at up to 1900 RPM, delivering a maximum air pressure of 2.36 mmH2O. Noise levels are kept impressively low, ranging from just 19.4 dB at low speed to 34.3 dB at high speed. PWM support allows for precise fan speed control, making it easy to balance cooling performance and acoustics based on workload demands.
Broad Compatibility and Easy Integration
The Silent Loop 3 420mm is built to fit a wide variety of platforms, supporting Intel sockets 1150, 1151, 1155, 1700, and 1851, as well as AMD sockets AM4, AM5, TR4, and TR5. The ARGB 3-pin interface ensures seamless integration with modern motherboards and RGB ecosystems. With a radiator measuring 475 x 140 x 52 mm, this cooler is suited for mid to full tower cases that accommodate 420mm radiator configurations.
Product number manufacturer:
BW026
Cooling
Illumination
Physical characteristics
Sockets
1150, 1151, 1155, 1700, 1851, AM4, AM5, TR4, TR5
Sound emission
Noise level (high speed):
34.3 dB
Technical details
Pulse-width modulation (PWM) support:
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