be quiet!

Be Quiet Silent Loop 3 420mm - BW026 - Black ARGB AIO CPU Cooler (3x140mm, PWM, 1900 RPM)

SKU 6745 Brand be quiet! EAN13 4260052192559
420mm AIO liquid CPU cooler with 3x140mm PWM ARGB fans (up to 1900 RPM), pump 1700–3500 RPM, ultra-quiet (19.4 dB low), copper base, aluminum radiator. Supports AM4/AM5/LGA1700.
Cooling (CPU & Case) - Type (Cooler) AIO Liquid 420
Cooling (CPU & Case) - Noise Level 31-35 dBA
Cooling (CPU & Case) - RGB (Cooler) ARGB (5V)
Cooling (CPU & Case) - Fan Size 140 mm
Cooling (CPU & Case) - Fan Thickness 25 mm (standard)
Cooling (CPU & Case) - Fan Connector 4-pin PWM
Cooling (CPU & Case) - Speed (RPM) 1501-2000
Cooling (CPU & Case) - Use Case Static Pressure (radiator)
Cooling (CPU & Case) - Lighting (Fan) ARGB (5V)

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. Silent Loop 3 is the epitome of a German engineered piece of hardware that embodies what be quiet! is associated with.


Suitable locationProcessor
TypeAll-in-one liquid cooler
Fan diameter14 cm
Supported processor socketsIntel 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 airflow78.4 cfm
Airflow133.2 m³/h
Maximum air pressure2.36 mmH2O
Pulse-width modulation (PWM) supportYes
Bearing typeFluid Dynamic Bearing (FDB)
Pump connector4-pin
Quantity per pack1 pc(s)
Pump motor speed3500 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 colourBlack
Radiator materialAluminum
Base plate materialCopper
Number of fans3 fan(s)
Illumination LEDYes
Illumination colourMulti
LED connector type3-pin
Fan connector4-pin
Fan power consumption3.6 W
LED voltage5 V
Fan voltage12 V
Fan current0.3 A
Width140 mm
Radiator width14 cm
Radiator depth45.7 cm
Radiator height2.7 cm
Depth52 mm
Tube length40 cm
Waterblock width8 cm
Waterblock depth5.6 cm
Waterblock height9.35 cm
Height475 mm
Weight2.01 kg
Fan dimensions (W x D x H)120 x 120 x 25 mm
Cable length0.5 m
Package width204 mm
Package depth499 mm
Package height154 mm
Package weight3.3 kg
Sustainability certificatesTriman
Warranty period3 year(s)
Compliance certificatesCE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE
Package typeBox
Mounting kitYes
Screws includedYes
ManualYes
CPU bracket(s)Yes
Thermal greaseYes
Products per shipping (inner) case4 pc(s)
Shipping (inner) case width42.4 cm
Shipping (inner) case length51.1 cm
Shipping (inner) case height33.6 cm
Shipping (inner) case gross weight14.8 kg