be quiet! Pure Loop 3 Liquid CPU Cooler 280mm - Silent High-Performance
Supreme and Silent Cooling Performance
The be quiet! Pure Loop 3 280mm Liquid CPU Cooler is engineered for enthusiasts who demand premium cooling power with ultra-quiet operation. Equipped with dual 140mm Pure Wings 3 high-speed fans and an advanced PWM pump, this all-in-one water cooling solution delivers outstanding thermal efficiency while maintaining whisper-quiet acoustics. Ideal for overclocked gaming PCs, creative workstations, and high-performance builds.
Key Features & Benefits
✔️ Exceptional Cooling Power – Designed to handle demanding CPUs, including overclocked processors, with stable and efficient thermal management.
✔️ Whisper-Quiet Performance – A state-of-the-art PWM pump with 6-pole motor minimises vibration, while dual 140mm Pure Wings 3 fans ensure silent yet powerful airflow.
✔️ Optimised Static Pressure – High-speed 140mm fans deliver excellent air pressure, maximising radiator cooling efficiency.
✔️ Daisy-Chained PWM Fans – Simplifies installation and reduces cable clutter, improving system airflow and ease of setup.
✔️ Hassle-Free Maintenance – Easy-access refill port allows for long-term operation and improved cooler longevity.
✔️ Premium Build Quality – Flexible sleeved tubes and a copper base ensure durability and efficient heat transfer.
✔️ Refined Aesthetic Design – Minimalist and elegant styling fits seamlessly into both gaming rigs and professional builds.
✔️ Durable Reliability – Rifle bearing fans rated for 80,000 hours lifespan provide years of stable, maintenance-friendly cooling.
✔️ German Engineering Excellence – Designed, tested, and quality-controlled in Germany for maximum performance and reliability.
✔️ 3-Year Manufacturer’s Warranty – Confidence and peace of mind with long-term support.
Technical Specifications
General Data
- Model: Pure Loop 3 | 280mm
- Radiator (incl. fans): 317 x 140 x 52 mm
- Cooling block: 68.5 x 93.4 x 44.9 mm
- Total weight: 1.064 kg
- Socket support: Intel 1851 / 1700 / 1200 / 1151 / 1150 / 1155, AMD AM5 / AM4
- Noise levels: 16.5 / 28.5 / 36.6 dB(A) (50% / 75% / 100%)
- Tube length: 400 mm
- Refill port: Yes
Pump
- Speed: 3000–5500 RPM (PWM adjustable)
- Connector: 4-pin PWM
Radiator
- Size: 317 x 140 x 27 mm
- Material: Aluminium
- Baseplate: Copper
Fans
- Model: Pure Wings 3 140mm PWM High-Speed
- Dimensions: 140 x 140 x 25 mm
- Max speed: 1800 RPM
- Airflow: 72.2 CFM (122.6 m³/h)
- Static pressure: 2.44 mm H₂O
- Bearing: Rifle
- Connector: 4-pin PWM (daisy chain supported)
- Lifespan: 80,000 hours
Accessories
- Thermal grease (included)
- Intel & AMD mounting kits
- 4-Pin PWM extension cable
Certifications
- Safety: CE, UKCA, FCC
- Environmental: RoHS, WEEE, Triman
Warranty
- 3 Years manufacturer’s warranty
- International hotline support (DE, FR, US)
Why Choose the Pure Loop 3 280mm?
The be quiet! Pure Loop 3 280mm is the perfect balance of power and silence. With larger 140mm fans, it delivers improved airflow and lower noise levels compared to smaller radiator designs, making it ideal for high-performance gaming systems and demanding professional applications. German-engineered reliability, easy maintenance, and a sleek, understated design make it an excellent choice for PC builders who expect nothing less than premium quality.