Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Sustainability certificates | Triman |
| Warranty period | 3 year(s) |
| Compliance certificates | CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE |
| Weight & dimensions | |
| Weight | 2.01 kg |
| Package weight | 3.3 kg |
| Cable length | 0.5 m |
| Height | 475 mm |
| Width | 140 mm |
| Depth | 52 mm |
| Package depth | 499 mm |
| Package height | 154 mm |
| Package width | 204 mm |
| Radiator width | 14 cm |
| Radiator depth | 45.7 cm |
| Radiator height | 2.7 cm |
| Tube length | 40 cm |
| Fan dimensions (W x D x H) | 120 x 120 x 25 mm |
| Waterblock width | 8 cm |
| Waterblock depth | 5.6 cm |
| Waterblock height | 9.35 cm |
| Energy management | |
| Fan voltage | 12 V |
| Fan current | 0.3 A |
| Fan power consumption | 3.6 W |
| LED voltage | 5 V |
| Packaging content | |
| Manual | ![]() |
| Package type | Box |
| Mounting kit | ![]() |
| Screws included | ![]() |
| CPU bracket(s) | ![]() |
| Other features | |
| Thermal grease | ![]() |
| Design | |
| Product colour | Black |
| Number of fans | 3 fan(s) |
| Illumination colour | Multi |
| Base plate material | Copper |
| Fan connector | 4-pin |
| Radiator material | Aluminum |
| Illumination LED | ![]() |
| LED connector type | 3-pin |
| Performance | |
| Type | All-in-one liquid cooler |
| Airflow | 133.2 m³/h |
| Fan diameter | 14 cm |
| Supported processor sockets | Intel LGA1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5, Socket TR4, Socket TR5 |
| Suitable location | Processor |
| Maximum airflow | 78.4 cfm |
| Maximum air pressure | 2.36 mmH2O |
| Noise level (low speed) | 19.4 dB |
| Noise level (high speed) | 34.3 dB |
| Pump motor speed (max) | 3500 RPM |
| Pump motor speed | 3500 RPM |
| Pump motor speed (min) | 1700 RPM |
| Fan speed (max) | 1900 RPM |
| Bearing type | Fluid Dynamic Bearing (FDB) |
| Quantity per pack | 1 pc(s) |
| Pulse-width modulation (PWM) support | ![]() |
| Pump connector | 4-pin |
| Fan's mean time to failure (MTTF) | 300000 h |
| Logistics data | |
| Shipping (inner) case width | 42.4 cm |
| Shipping (inner) case length | 51.1 cm |
| Shipping (inner) case height | 33.6 cm |
| Shipping (inner) case gross weight | 14.8 kg |
| Products per shipping (inner) case | 4 pc(s) |
| EAN | 4260052192559 |
| Warranty | 3 years |
| Source: Icecat.biz | |
The be quiet! Silent Loop 3 420mm is a premium all-in-one (AIO) liquid cooler designed for enthusiasts seeking maximum cooling performance and whisper-quiet operation. Ideal for demanding gaming rigs, overclocked CPUs, and silent PC builds, this cooler ensures your high-end processor stays cool even under the most intense workloads. The massive 420mm radiator provides exceptional thermal dissipation, easily handling the heat generated by top-tier CPUs from both Intel and AMD.
Featuring a decoupled pump to minimize noise and vibration, the Silent Loop 3 operates at near-inaudible levels. The high-quality construction includes a copper cold plate for optimal heat transfer and durable tubing for long-lasting reliability. The included high static pressure fans are optimized for radiator use, delivering excellent airflow while maintaining low noise levels. Installation is straightforward with comprehensive mounting hardware included for a wide range of Intel and AMD sockets, ensuring compatibility with your current or future build.
Key Features- Radiator size: 420mm
- Fan size and count: 3x140mm PWM fans
- Socket compatibility: Intel LGA 1700, 1200, 115X; AMD AM5, AM4
- Pump speed: Up to 2800 RPM
- Fan specs: Up to 1600 RPM, 1.8 mmH₂O, 65.5 CFM
- Noise levels: 25.8 dBA at maximum fan speed
- Tubing type: Braided sleeved
- Build material: Aluminum radiator, copper cold plate
- Warranty: 3-year limited warranty
- Installation kit: Includes brackets and mounting screws
- Liquid cooler (pump + 420mm radiator)
- 3x 140mm Cooling fans
- Mounting brackets for Intel and AMD sockets
- Mounting screws
- Installation guide
- Warranty information
Estimated delivery: 03.11
Today: 10:00 - 18:00
Estimated delivery: 03.11
Today: 09:00 - 17:00
Estimated delivery: 03.11
Today: 10:00 - 17:00
Estimated delivery: 03.11
Today: 10:00 - 18:00
Estimated delivery: 03.11
Today: 10:00 - 17:00
Estimated delivery time: 03.11
Estimated delivery time: 04.11
Estimated delivery time: 03.11
Estimated delivery time: 04.11
Estimated delivery time: 04.11
Estimated delivery time: 04.11
- leaflet (English)
- manual pdf (English)

