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Silent Loop 360mm AIO CPU Water Cooler, BW004
1 in stock
(1 customer rating)
Silent Loop 240mm AIO CPU Water Cooler, BW002
2 in stock
(3 customer ratings)
Silent Loop 120mm AIO CPU Water Cooler, BW001
3 in stock

be quiet Silent Loop AIO CPU Water Coolers

be quiet's Silent Loop All in One CPU water cooling units offer amazing performance. Overclocking and demanding PC users will benefit from lower temperatures and very low noise levels.


  1. All-in-One water cooling provides everything you need in one package
  2. Innovative decoupled reverse-flow pump with whisper-quiet operation
  3. Pure Wings 2 120mm PWM fans feature airflow-optimised fan blades
  4. Full copper radiator maximises heat transfer
  5. Refill port and flexible bend-protection tubes extend the product’s life
  6. Sized to permit full use of RAM slots

With Silent Loop be quiet! brings whisper-silent technology to the world of All-in-One watercooling, making liquid cooling an attractive option for those who want to heavily overclock CPUs for maximum processing performance or cool high-power PC systems.

The three versions available are the 120mm, 240mm and 360mm versions. The 120mm and 240mm version uses two 120mm fans while the 360mm version utilises three. The extra fan on the 360mm allows this unit to cool a massive 450W TDP, while the 120mm and 240mm achieve a maximum of 270 and 350W TDP respectively. All of these TDP figures are well above the maximum TDP of any current desktop CPU. For example the Intel Core i9 7900X CPU has a TDP of 140W. This gives all of these AIO units lots of headroom for overclocking.


  • Demanding PC systems
  • Heavily overclocked systems
  • High-resolution gaming and multimedia systems
  • Any PC that requires superior quietness, such as audio editing, studio work, or simply a HTPC

Ultra-quiet Operation

  • Innovative decoupled “reverse-flow" pump provides low-noise operation with less vibration
  • Thanks to the technique “reverse-flow" the pump draws the liquid coolant from an outer cavity of the pump housing across the base plate and discharges the warmed liquid coolant through a second level inside
  • Two Pure Wings 2 120mm PWM fans include an array of optimisations for quiet airflow
  • Unique airflow-optimised fan blade design reduces noise-generating fan turbulence
  • High-quality rifle bearing technology contributes to a long lifespan of up to 80,000 hours
  • PWM speed control function allows for optimum balance between quiet operations and efficient cooling

Superior Cooling Performance

  • Full copper radiator maximises heat transfer for peak cooling performance
  • Nickel-plated cold-plate allows the use of heat-conducting metallic paste, thus improving heat transfer and overall cooling efficiency
  • Extremely high TDP rating supports heavily overclocked CPUs and demanding systems
  • Increased air pressure thanks to a highly efficient blade design of the 120mm Pure Wings 2 PWM fans, making these fans the perfect partners to work with the radiator

Maximum Compatibility and Convenience

  • Flexible bend and pinch-protected tubes take the worry out of routing supply lines
  • Small and thoughtful heat exchanger design supports full use of RAM slots
  • Refill port extends the product’s useful life span and promotes quiet operation
  • Convenient radiator mounting is compatible with most case designs

SpecificationsSilent Loop 360mmSilent Loop 240mmSilent Loop 120mm
Socket compatibility Intel LGA 775 / 1150 / 1151 / 1155 / 1156 / 1366 / 2011(-3) Square ILM / 2066
AMD AM2(+) / AM3(+) / AM4 / FM1 / FM2(+)
Maximum TDP (W)450 350 270
Backplate Mounting Yes, requires motherboard removal
Fan model3x 120mm Pure Wings 2 PWM 2x 120mm Pure Wings 2 PWM
Fan Noise level @ 25 % / 50% /100% rpm, dB(A)16.1 / 23.8 / 36.9
Fan Speed @ 100% PWM (rpm)2000
Fan Connector4-pin PWM
Air flow @ 12V (cfm)65.5
Air pressure @ 12V (mm H2O)2.2
Pump typeReverse-flow
Pump speed (rpm)2200
Pump connector3-pin
Tube length390mm 340mm
Radiator Dimensions, inc fan (H x W x D) 397 x 124 x 55mm 277 x 124 x 55mm 153 x 128 x 95mm
Warranty36 months
EAN barcode4260052185476 4260052185278 4260052185261

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Quiet PC Ltd
Brawby Grange
YO17 6PZ
United Kingdom

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