be quiet! Silent Loop 3 All-in-One 420mm Intel/AMD CPU Water Cooler
be quiet! Silent Loop 3 All-in-One 420mm Intel/AMD CPU Water Cooler
Scan code: LN156513 Manufacturer code: BW026
£124.99Item due on 31 May 2025
Due 31st May
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be quiet! Silent Loop 3 All-in-One 420mm Intel/AMD CPU Water Cooler

be quiet! Silent Loop 3 420mm AIO Cooler, ARGB, 3 x Silent Wings 4 PWM Fans, Aluminium Radiator, Intel/AMD

Scan code: LN156513 Manufacturer code: BW026
£124.99
Item due on 31 May 2025
Due 31st May
Pay in 3 interest-free payments of £41.66

Email me when the availability or price changes

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  • Spend over £280.00 and Buy Now, Pay Later or spread the cost of your finance over 24-48 months with a 10% deposit.
  • SCANPROTECT Protect against installation damage for 28 days.
  • 48HR REPLACEMENT If you need to return this item, your replacement will be dispatched within 2 working days of your product arriving back at Scan.

Suggested Alternatives

be quiet! Silent Loop 3 420mm All-in-One Liquid CPU Cooler

be quiet! Silent Loop 3 All-in-One Cooler

Victory AcceleratedThe radiator of the Silent Loop 3 420mm is undisputed - it boasts a 1,800 mm² fin area, which is an increase of up to two times more than other AiO's in this class. This greatly improves heat transfer and makes sure to cover all hot spots on the CPU. The large fin area could only be achieved by a specially developed screwless design for attaching the heat plate. The internal design of the flow path takes care that all areas are flowed to evenly to achieve high performance regardless of the CPU platform.

1900RPMMax Fan Speed

78.4 CFMMax Airflow

2.36mm H2OMax Pressure

3 x 140mm Silent Wings 4Included Fans

1150 / 1151 / 1155 / 1200 / 1700 / 1851Intel Compatibility

AM4 / AM5 / TR4 / TR5AMD Compatibility

Superior Pump Design

be quiet! Silent Loop 3 Unique Pump Design

Enjoy the SilenceA powerful PWM pump with 3-chamber design ensures the very high-performance of Silent Loop 3 420mm and is whisper-quiet at the same time. The second of its 3 chambers acts as a reservoir and offers enough space for the coolant to spread out and thus reduces turbulences before the liquid leaves the pump unit. In combination with the 6-pole 3-phase motor this results in a smooth and consequently silent operation.

High Performance Cooling

be quiet! Silent Loop 3 is Ready for any Setup

Ready for Any SetupSilent Loop 3 420mm is a meticulously crafted masterpiece of German engineering. All parts integrated are of highest quality and work as precise as a clockwork, ultimately leading to a cooling performance ready for virtually any situation.

Simple and Silent

Low-noise, high performance Silent Wings 4 fans

Virtually InaudibleSilent Loop 3 420mm features 2 Silent Wings 4 120mm PWM high-speed fans. With optimised fan blades and a funnel shaped air outlet, Silent Wings 4 makes no compromises between very quiet operation and top-level performance. The corners of the frame are also designed to minimise air leakage on radiators.

Easy Re-fill Radiator with included coolant

Easy to RefillAn easy-to-access refill port at the corner of the Silent Loop 3 420mm makes for convenient handling, safe refilling and comfortable maintenance. An included bottle of coolant helps to extend the lifespan of the cooler by allowing you to simply refill the system as and when necessary.

Power and Elegance

be quiet! Silent Loop 3 Cooling Block RGB

S-Tier DesignThe cooling block’s design is iconic and unmistakable. be quiet! elegantlyt chose to keep it all-black to represent the sheer cooling power Silent Loop 3 420mm offers, despite being barely audible. Optionally, you can turn on ARGB LEDs. Silent Loop 3 420mm is a statement in your PC case: you strive for the maximum in any discipline.

Superior Technology and Cooling

be quiet! Silent Loop 3 Youtube Video

PLEASE NOTE

The video may show a different version of the product you are currently viewing. The key differences between each version are radiator size and included fans. All other features are essentially the same.

This All-in-One water cooling unit series represents be quiet!'s passion for technological innovations, all packed into a single AiO, ultimately leading to the pinnacle of what they are capable of when it comes to water cooling. Silent Loop 3 also lives up to the brand’s name - “be quiet!” - the goal being to provide you with a virtually inaudible experience. Each and every model in this series can be considered a love letter to German engineering.

Specifications
Cooler Specifications
Edition be quiet! Silent Loop 3 420mm
Cooler Form Factor 420mm All-In-One Hydro Cooler
Heatpipes  
Cooler Features
  • Aluminium Fins
  • Includes Y-Cable
  • Nickel-Plated Copper Base
  • RGB LED CPU Block
Socket Compatibility
  • 1150
  • 1151
  • 1155
  • 1700
  • 1851
  • AM4
  • AM5
  • TR4
  • TR5
Max. TDP  
Fan Specifications
Included Fan Configuration 3 x 140mm
Fan Edition Silent Wings PWM
PWM Fan Yes
Fan Bearing Type Fluid Dynamic Bearing
Fan Colour Black
LED Lighting RGB Water Block/Pump
Fan/Pump Connectors
  • 1 x 3-Pin RGB
  • 1 x 4-pin PWM
Max. Fan Speed 1900 rpm
Max. Fan Airflow 78.4 CFM
Max. Air Pressure 2.36 mm H²O
Max. Sound Level 13.6 dBA
Materials
Cooler Materials Aluminium / Nickel Plated / Copper
Included TIM (Thermal Interface Material) Included
Dimensions & Weight
Heatsink/Radiator Dimensions 140 x 475 x 52 mm (WxHxD)
Total Dimensions  
Weight 2.01 g
Additional Information
Scan Code LN156513
Model Number BW026
GTIN 4260052192559
Warranty

Please note your statutory rights are not affected.

For further information regarding Scan's warranty procedure please see our terms and conditions

Details
Duration:
36 months
Type:
Return to base
DOA Period:
7 days
Manufacturer Contact Details
Manufacturer:
beQuiet!
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Buying Guide
Need help? Read our Air Cooling Buying Guide
be quiet! Silent Loop 3 All-in-One 420mm Intel/AMD CPU Water Cooler
be quiet! Silent Loop 3 All-in-One 420mm Intel/AMD CPU Water Cooler