be quiet! Pure Loop 3 280mm AIO Liquid CPU Cooler BW028
Supreme Cooling Performance with Signature be quiet! Silence
The be quiet! Pure Loop 3 280mm is a high-performance all-in-one liquid CPU cooler engineered for enthusiasts, gamers and power users seeking exceptional cooling performance without excessive noise. Designed for modern Intel and AMD processors, this premium AIO cooler combines an efficient 280mm radiator, a state-of-the-art PWM pump and dual Pure Wings 3 140mm high-speed fans to deliver outstanding thermal performance even under heavy workloads.
Built with German engineering expertise and refined aesthetics, the Pure Loop 3 is perfect for high-performance gaming systems, content creation workstations and overclocked PCs that demand reliable and quiet cooling.
Key Features & Benefits
Exceptional Cooling Performance
Designed to handle today's most demanding processors, the Pure Loop 3 280mm delivers excellent thermal performance for:
- High-end gaming PCs
- Workstations
- Content creation systems
- Productivity workloads
- Overclocked processors
Advanced PWM Pump Design
The modern PWM-controlled pump features a 6-pole motor that significantly reduces vibration levels while maintaining strong coolant circulation.
- Adjustable pump speed: 3000 - 5500 RPM
- Maximum pump speed: 5500 RPM
- Reduced vibration and noise
- Enhanced cooling efficiency
Dual Pure Wings 3 High-Speed Fans
Includes 2 x Pure Wings 3 140mm PWM High-Speed fans designed to provide excellent airflow and static pressure.
Key fan features:
- High airflow design
- Quiet operation
- Optimised blade geometry
- Fluid airflow characteristics
- Durable rifle bearings
Impressive Airflow Performance
Each fan delivers:
- Up to 72.2 CFM airflow
- Up to 122.6 m³/h airflow volume
- Up to 2.44 mmHâ‚‚O static pressure
- Maximum speed of 1800 RPM
Ideal for pushing air efficiently through dense radiator fins.
Ultra-Quiet Operation
True to the be quiet! name, the Pure Loop 3 maintains low noise levels across operating ranges:
- 16.5 dB(A) at 50% speed
- 28.5 dB(A) at 75% speed
- 36.6 dB(A) at maximum speed
Perfect for users seeking excellent cooling without excessive fan noise.
Convenient Daisy-Chain Fan Design
PWM fan daisy-chaining simplifies cable management and installation while reducing clutter inside your PC build.
Easy Refill Port
Unlike many closed-loop coolers, the Pure Loop 3 features an accessible refill port, allowing easier long-term maintenance and improved lifespan.
Broad CPU Socket Compatibility
Compatible with a wide range of modern processors.
Intel Support
- Intel LGA1851
- Intel LGA1700
- Intel LGA1200
- Intel LGA1151
- Intel LGA1150
- Intel LGA1155
AMD Support
- AMD AM5
- AMD AM4
Premium Build Quality
Designed and quality-controlled in Germany, featuring:
- Copper cold plate
- Aluminium radiator
- Sleeved tubing
- Premium mounting hardware
- Professional-grade construction
Technical Specifications
General Specifications
- Model: Pure Loop 3 280mm
- Part Number: BW028
- Cooler Type: All-in-One Liquid CPU Cooler
- Colour: Black
- Weight: 1.064kg
- Tube Length: 400mm
- Refill Port: Yes
Dimensions
Radiator with Fans
- 317 x 140 x 52mm
Radiator Only
- 317 x 140 x 27mm
Pump Block
- 68.5 x 93.4 x 44.9mm
Pump Specifications
- Pump Speed: Up to 5500 RPM
- Adjustable Range: 3000 - 5500 RPM
- Pump Connector: 4-Pin PWM
- Motor Type: 6-Pole PWM Pump
Fan Specifications
- Included Fans: 2 x Pure Wings 3 140mm PWM High-Speed
- Fan Size: 140 x 140 x 25mm
- Maximum Speed: 1800 RPM
- Maximum Airflow: 72.2 CFM
- Maximum Airflow Volume: 122.6 m³/h
- Static Pressure: 2.44 mmHâ‚‚O
- Bearing Type: Rifle Bearing
- Motor Type: 4-Pole Motor
- Fan Lifespan: 80,000 Hours
Noise Levels
- 50% PWM: 16.5 dB(A)
- 75% PWM: 28.5 dB(A)
- 100% PWM: 36.6 dB(A)
Materials
- Radiator Material: Aluminium
- Cold Plate Material: Copper
Included Accessories
- Thermal Paste
- Intel Mounting Kit
- AMD Mounting Kit
- PWM Extension Cable
- Installation Manual
Certifications
- CE
- UKCA
- FCC
- RoHS Compliant
- WEEE Compliant
Ideal For
- AMD Ryzen 7000 & 9000 Series Builds
- Intel Core 12th, 13th, 14th & Core Ultra Compatible LGA1851 Systems
- Gaming PCs
- Overclocked Systems
- Workstations
- Video Editing PCs
- Streaming Setups
- High-Airflow Builds
- Quiet PC Enthusiasts
Why Choose the be quiet! Pure Loop 3 280mm?
The be quiet! Pure Loop 3 280mm offers an outstanding combination of cooling efficiency, low noise levels and long-term reliability. Featuring a 280mm aluminium radiator, dual Pure Wings 3 140mm PWM high-speed fans, a refined 6-pole PWM pump, and broad support for both AMD AM5 and Intel LGA1851 platforms, it delivers the cooling power required for modern high-performance processors.
With an elegant design, easy maintenance via the refill port, whisper-quiet operation and a 3-year manufacturer's warranty, the Pure Loop 3 is an excellent choice for builders who demand powerful cooling without sacrificing acoustic comfort.