Be Quiet Silent Loop 3 420mm BW026 Black ARGB AIO CPU Cooler (Boxed)
420mm AIO CPU cooler with 3x140mm Silent Wings 4 PWM ARGB fans (1900 RPM max), 3-chamber pump (1700-3500 RPM), 19.4 dB low noise. Copper cold plate, aluminum radiator. Supports Intel LGA1700/AM5/TR5.
Please Note
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Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| Cooling (CPU & Case) - Device Type | CPU Liquid Cooler AIO |
|---|---|
| Cooling (CPU & Case) - Socket Support | AMD AM4 AMD AM5 AMD SP5 AMD TR4 Intel LGA1150 Intel LGA1151 Intel LGA1155 Intel LGA1200 Intel LGA1700 Intel LGA1851 |
| Cooling (CPU & Case) - Fan Size | 140 mm |
| Cooling (CPU & Case) - AIO Radiator Size | 420 mm |
| Cooling (CPU & Case) - Lightning | RGB |
| Cooling (CPU & Case) - Connector | 4-Pin PWM |
| Cooling (CPU & Case) - Color | Black |
| Cooling (CPU & Case) - Special Features | Low Noise |
Superior cooling performance
The be quiet! Silent Loop 3 420mm (BW026) delivers exceptional cooling for high-end CPUs using a powerful 3-chamber pump, high-density copper cold plate, and large aluminum radiator. Equipped with three 140mm Silent Wings 4 PWM fans featuring subtle ARGB lighting, it achieves up to 78.4 CFM airflow and 2.36 mmH2O pressure while maintaining ultra-low noise levels from 19.4 dB(A) at low speeds up to 34.3 dB(A) max[1][2].
Refillable design includes extra coolant for longevity, and it supports modern sockets like Intel LGA1700/LGA1851 and AMD AM4/AM5/TR4/TR5 with included mounting hardware. The premium black finish and discreet RGB make it ideal for silent, high-performance builds[3][4].
- 3x 140mm Silent Wings 4 ARGB PWM fans (up to 1900 RPM)
- 3-chamber pump (1700-3500 RPM) with refill port
- Noise-optimized: 19.4 dB(A) low / 34.3 dB(A) high
- 420 x 140 x 27mm aluminum radiator, 40cm tubes
- Compatible: Intel LGA115x/1200/1700/1851, AMD AM4/AM5/TR4/TR5
- Includes thermal grease, screws, brackets, extra coolant
| Suitable location | Processor |
| Type | All-in-one liquid cooler |
| 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 |
| Noise level (low speed) | 19.4 dB |
| Noise level (high speed) | 34.3 dB |
| Maximum airflow | 78.4 cfm |
| Airflow | 133.2 m³/h |
| Maximum air pressure | 2.36 mmH2O |
| Pulse-width modulation (PWM) support | Yes |
| Bearing type | Fluid Dynamic Bearing (FDB) |
| Pump connector | 4-pin |
| Quantity per pack | 1 pc(s) |
| Pump motor speed | 3500 RPM |
| Pump motor speed (min) | 1700 RPM |
| Pump motor speed (max) | 3500 RPM |
| Fan speed (max) | 1900 RPM |
| Fan's mean time to failure (MTTF) | 300000 h |
| Product colour | Black |
| Radiator material | Aluminum |
| Base plate material | Copper |
| Number of fans | 3 fan(s) |
| Illumination LED | Yes |
| Illumination colour | Multi |
| LED connector type | 3-pin |
| Fan connector | 4-pin |
| Fan power consumption | 3.6 W |
| LED voltage | 5 V |
| Fan voltage | 12 V |
| Fan current | 0.3 A |
| Width | 140 mm |
| Radiator width | 14 cm |
| Radiator depth | 45.7 cm |
| Radiator height | 2.7 cm |
| Depth | 52 mm |
| Tube length | 40 cm |
| Waterblock width | 8 cm |
| Waterblock depth | 5.6 cm |
| Waterblock height | 9.35 cm |
| Height | 475 mm |
| Weight | 2.01 kg |
| Fan dimensions (W x D x H) | 120 x 120 x 25 mm |
| Cable length | 0.5 m |
| Package width | 204 mm |
| Package depth | 499 mm |
| Package height | 154 mm |
| Package weight | 3.3 kg |
| Sustainability certificates | Triman |
| Warranty period | 3 year(s) |
| Compliance certificates | CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE |
| Package type | Box |
| Mounting kit | Yes |
| Screws included | Yes |
| Manual | Yes |
| CPU bracket(s) | Yes |
| Thermal grease | Yes |
| Pump design | 3-chamber |