be quiet! SILENT LOOP 3 420mm Liquid Cooler
£118.98
In stock
Superior technology and cooling
Silent Loop 3 420mm is the virtually inaudible and incredibly high performing All-in-One water cooling unit with state-of-the-art technology.
- Highly engineered cooling block design
- Powerful 3-chamber pump design significantly reduces turbulences and noise
- Dampened and adjustable pump with 6-pole motor
- 3 Silent Wings 4 140mm PWM high-speed fans with radiator corners for virtually inaudible operation
- Incredibly high cooling performance
- Elegant premium design with discreet ARGB lighting
- Easy-to-access refill port and included coolant bottle for a long lifespan
- Flexible sleeved tubes and a convenient mounting ensure easy handling
- 3-year manufacturer’s warranty
General Specifications
Compatibility & Dimensions
Pump Specifications
Radiator Specifications
Fan Specifications
Accessories & In The Box
Compliance & Service
Logistics & Packaging
Other
| Manual | |
| Datasheet | |
| Dimensions | JPG |
About be quiet!
be quiet! is a premium German PC hardware brand, recognised worldwide for designing high-performance components with an uncompromising focus on silence.
Founded in Germany, be quiet! has earned the trust of enthusiasts, gamers, creators and system builders the world over through exceptional build quality, reliability and near-silent operation.
German Engineering
Premium Components
Long Warranties
Designed in Germany
Every be quiet! product is engineered and quality-controlled in Germany, with meticulous attention to acoustics, airflow, thermals and long-term durability.
That engineering-first approach means each one performs exactly as intended: quietly and efficiently.
What be quiet! is known for
- Ultra-quiet, high-efficiency power supplies
- High-performance CPU coolers with silent operation
- Low-noise PC cases optimised for airflow and reduced vibration
- Premium fans engineered for strong airflow at minimal noise
Trusted by enthusiasts and professionals
be quiet! hardware is widely used in gaming PCs, professional workstations, content-creation systems, and quiet home and office builds.
As an authorised UK service centre, we supply genuine be quiet! products backed by full manufacturer warranty and local UK support.
Shipping & Delivery Information
Dispatch cut-off: 2:00pm
UK shipping only
- 🚚
UK mainland: Free standard next-day / 2-day delivery (subject to courier terms). - ⏱️
Same-day dispatch: Order before 2:00pm Monday–Friday. - 📍
Extended areas: Highlands, NI, ROI & Channel Islands typically 2–5 working days. - 🛑
No collection: We ship orders only.
Shipping Only
Please note that we do not offer collections. All orders are shipped via our courier partners.
Delivery services are subject to courier availability and local conditions.
Weekend Orders
Orders placed after 2:00pm on Friday or during the weekend
are processed on the next working day (normally Monday).
Bank holidays may also affect dispatch and delivery times.
UK Delivery
Free standard next-day / 2-day to UK mainland (subject to courier terms)
- ✅Free standard delivery on all orders
- 📦UK mainland only for next-day / 2-day services
- 🕑Cut-off: order before 2:00pm (Mon–Fri) for same-day dispatch
Extended Delivery Areas
Typically 2–5 working days
- 🏔️Scottish Highlands
- 🇬🇧Northern Ireland
- 🇮🇪Republic of Ireland
- 🏝️Channel Islands
Delivery times can vary depending on courier availability and local conditions.
International Shipping
We do not ship outside the UK
Delivery times are estimates and may be affected by courier delays outside of our control.
