be quiet! Silent Loop 3 420mm All-in-One Liquid CPU Cooler

The be quiet! Silent Loop 3 420mm (MPN: BW026) delivers exceptional cooling performance for high-end Intel Core i9 and AMD Ryzen 9 processors with full overclocking support. This premium AIO liquid cooler combines advanced thermal engineering with near-silent operation.

Advanced Cooling Architecture

The highly engineered cooling block features a 1,800 mm² fin area for enhanced heat transfer and comprehensive CPU hotspot coverage. The innovative 3-chamber pump design minimizes turbulence and noise while the dampened, adjustable 6-pole motor ensures smooth, silent operation across its 1,700-3,500 RPM range.

Silent Wings 4 High-Performance Fans

Three Silent Wings 4 140mm PWM high-speed fans deliver up to 98.2 CFM airflow and 3.68 mmH2O static pressure while maintaining whisper-quiet operation at up to 39.3 dB(A). The Fluid Dynamic Bearing (FDB) technology provides 300,000 hours MTTF reliability. Operating at up to 2,200 RPM, these fans are optimized for radiator cooling efficiency.

Premium Design with ARGB Lighting

The sleek black aluminum radiator (454 x 140 x 27 mm) features discreet ARGB lighting on the cooling block. The 3-pin addressable RGB connector (5V) allows customizable illumination to match your system aesthetics.

User-Friendly Maintenance

An accessible refill port and included coolant bottle ensure prolonged lifespan and easy maintenance. The 450mm flexible sleeved rubber tubing with bend protection provides installation flexibility.

Universal Socket Compatibility

Intel: 1851, 1700, 1200, 1150, 1151, 1155
AMD: AM5, AM4, TR5, TR4 (bracket included)

Technical Specifications

Radiator: 454 x 140 x 27 mm, Aluminum construction
Fans: 3x Silent Wings 4 140mm, 2,200 RPM max, 98.2 CFM, 4-pin PWM, 12V, 3.6W
Pump: 86 x 74 x 47 mm, 1,700-3,500 RPM, 4-pin connector
Tubing: 450mm flexible sleeved rubber
Lighting: ARGB 3-pin, 5V
Warranty: 3 years

The Silent Loop 3 420mm is engineered for high-end systems requiring efficient thermal management with whisper-quiet operation, making it ideal for enthusiast builds and overclocked configurations.

• Product Type: Liquid CPU Cooler
• Radiator Colour: Black
• Max Fan Speed: 2200RPM
• Radiator Size: 420mm
• LED Colour: ARGB