be quiet! Silent LOOP 3 420

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Product details

The be quiet! Silent Loop 3 AIO liquid cooling system, with an impressive length of 420 mm, is a powerful solution for cooling Intel and AMD processors. It has been specifically designed for socket types 115X, 1200, 1700, 1800, as well as AM4 and AM5, offering high cooling performance that is also suitable for overclocked systems. The integrated ARGB LEDs allow for customizable lighting effects, while the flexible hoses ensure easy installation and handling. The insulated pump with a 6-pole motor provides quiet operation, making this liquid cooler an ideal choice for users who value a peaceful working environment.

  • High cooling performance, suitable for overclocked systems
  • ARGB LEDs for customizable lighting effects
  • Easy installation with flexible hoses
  • Insulated pump for quiet operation.

Key specifications

Socket
AM4, AM5, LGA 1150, LGA 1151, LGA 1155, LGA 1200, LGA 1700, LGA 1851, TR4
CPU Water Cooling Type
AiO water cooling
Bottom plate material
Copper
Number of fans
3 Fan
Fan dimension
140 mm
Item number
54606774

General information

Manufacturer
be quiet!
Category
CPU water coolers
Manufacturer no.
BW026
Release date
11.2.2025
Sales rank in Category CPU water coolers
9 of 901

Colour

Colour
Black
Exact colour description
Black
LED colour
ARGB

Cooler properties

CPU Water Cooling Type
AiO water cooling
Socket
AM4, AM5, LGA 1150, LGA 1151, LGA 1155, LGA 1200, LGA 1700, LGA 1851, TR4
Bottom plate material
Copper
Cover material
Aluminium
Number of fans
3 Fan
Fan dimension
140 mm
Max. Speed
1900 RPM

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
457 mm
Width
475 mm
Height
52 mm
Weight
2010 g

Package dimensions

Length
49.50 cm
Width
21 cm
Height
15 cm
Weight
3.13 kg

Legal Notice

Product Safety

14-day cancellation right
30-day right of returnReturn policy
24 Months Statutory warrantyGuarantee provisions
2 additional offers

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Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «CPU water coolers» category have a defect within the first 24 months?

Source: Galaxus
  • 1.Cooler Master
    0,9 %
  • 3.Gigabyte
    1 %
  • 4.be quiet!
    1,1 %
  • 5.MSI
    1,3 %
  • 6.Alphacool
    1,4 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 5.NZXT
    2 days
  • 9.ASUS
    7 days
  • 9.Fractal
    7 days
  • 11.Thermaltake
    10 days
  • 12.be quiet!
    11 days

Return rate

How often is a product of this brand in the «CPU water coolers» category returned?

Source: Galaxus
  • 1.Alphacool
    4,5 %
  • 2.NZXT
    4,6 %
  • 3.be quiet!
    4,8 %
  • 3.Enermax
    4,8 %
  • 3.Lian-Li
    4,8 %
Source: Galaxus