be quiet! Silent Loop 3 420mm All-in-One Liquid CPU Cooler (BW026)
The be quiet! Silent Loop 3 420mm is a premium All-in-One (AiO) liquid CPU cooler engineered for exceptional cooling performance in high-end systems. Designed to handle powerful processors such as Intel Core i9 and AMD Ryzen 9, it offers ample headroom for overclocking while maintaining whisper-quiet operation.
Key Features
Advanced Cooling Performance
- Highly engineered cooling block with a 1,800 mm² fin area
- Significantly enhanced heat transfer for effective coverage of CPU hotspots
- Ideal for demanding workloads and overclocked CPUs
Innovative 3-Chamber Pump
- Powerful 3-chamber pump design to reduce turbulence and noise
- Dampened, adjustable pump with a 6-pole motor for smooth, quiet operation
- Optimized for low-noise, high-efficiency cooling
Silent Wings 4 High-Speed Fans
- Includes three Silent Wings 4 140mm PWM high-speed fans
- Radiator corners optimized for efficient radiator cooling
- Near-inaudible operation with high static pressure for maximum heat dissipation
Elegant ARGB Design
- Sleek, premium aesthetics with discreet ARGB lighting on the cooling block
- Subtle, customizable illumination to complement modern PC builds
User-Friendly Maintenance
- Accessible refill port for easy servicing
- Includes coolant bottle for prolonged lifespan and convenient maintenance
Technical Specifications
Radiator
| Specification | Details |
|---|---|
| Dimensions | 454 x 140 x 27 mm (L x W x H) |
| Material | Aluminum |
Fans (Silent Wings 4 140mm PWM High-Speed)
| Specification | Details |
|---|---|
| Dimensions | 140 x 140 x 25 mm |
| Speed | Up to 2,200 RPM |
| Airflow | Up to 98.2 CFM (166.8 m³/h) |
| Air Pressure | Up to 3.68 mmH₂O |
| Noise Level | Up to 39.3 dB(A) |
| Bearing Type | Fluid Dynamic Bearing (FDB) |
| Connector | 4-pin PWM |
| Rated Voltage | 12V |
| Power Consumption | 3.6W |
| Current | 0.3A |
| MTTF | 300,000 hours |
Pump
| Specification | Details |
|---|---|
| Dimensions | 86 x 74 x 47 mm (L x W x H) |
| Speed Range | 1,700 – 3,500 RPM |
| Connector | 4-pin |
Tubing
| Specification | Details |
|---|---|
| Length | 450 mm |
| Material | Flexible sleeved rubber with bend protection |
Lighting
| Specification | Details |
|---|---|
| Type | ARGB (Addressable RGB) |
| LED Connector | 3-pin |
| LED Voltage | 5V |
Socket Compatibility
| Platform | Sockets |
|---|---|
| Intel | 1851 / 1700 / 1200 / 1150 / 1151 / 1155 |
| AMD | AM5, AM4, TR5, TR4 (bracket included) |
Warranty
| Specification | Details |
|---|---|
| Warranty | 3 years |
The Silent Loop 3 420mm is crafted for users who demand efficient thermal management and low-noise operation in high-end systems, making it a strong choice for powerful, performance-focused PC builds.
