Legendary silence, epic performance and features For the highest performance, optimized fan blades, especially for heat sinks designed radiator corners and a speed switch with 3 selectable speed options, Silent Wings Pro 4 120mm PWM is the most progressive, performant, and versatile fan by be quiet!

Weight & dimensions

• Width: 120 mm
• Depth: 120 mm
• Height: 25 mm
• Weight: 227 g
• Fan dimensions (W x D x H): 120 x 120 x 25 mm
• Cable length: 0.5 m
• Package width: 141 mm
• Package depth: 192 mm
• Package height: 31 mm
• Package weight: 400 g

Power

• Power consumption (typical): 3.6 W
• Voltage: 7 - 13.2 V
• Rated voltage: 12 V
• Rated current: 0.3 A
• Maximum current: 0.33 A

Packaging content

• Screws included: Y
• Number of clips: 4

Other features

• Country of origin: Germany

Design

• Product colour: Black
• Fan connector: 4-pin
• Certification: CE / ROHS / RU / UKCA / TV / WEEE

Performance

• Suitable location: Computer case
• Type: Fan
• Fan diameter: 12 cm
• Rotational speed (max): 3000 RPM
• Noise level (high speed): 36.9 dB
• Maximum airflow: 83.9 cfm
• Airflow: 142.5 /h
• Maximum air pressure: 5.31 mmH2O
• Pulse-width modulation (PWM) support: Y
• Bearing type: Fluid Dynamic Bearing (FDB)
• Quantity per pack: 1 pc(s)
• Mean time between failures (MTBF): 300000 h

Logistics data

• Harmonized System (HS) code: 84733080
• Products per shipping (inner) case: 40 pc(s)
• Shipping (inner) case width: 38.7 cm
• Shipping (inner) case length: 43.2 cm
• Shipping (inner) case height: 37.5 cm
• Shipping (inner) case gross weight: 17.2 kg