Product comparison · 2 computer cooling systems

be quiet! SILENT WINGS 4 | 140mm PWM high-speed vs be quiet! SILENT WINGS PRO 4 | 140mm PWM

Add a product
  • 42specifications compared
  • 13differ
  • 29identical
  • 1known for one product only

Key differences

  • Rotational speed (max)
    • SILENT WINGS 4 | 140mm PWM high-speed:1900 RPM
    • SILENT WINGS PRO 4 | 140mm PWM:2400 RPM
  • Noise level (high speed)
    • SILENT WINGS 4 | 140mm PWM high-speed:29.3 dB
    • SILENT WINGS PRO 4 | 140mm PWM:36.8 dB
  • Maximum airflow
    • SILENT WINGS 4 | 140mm PWM high-speed:78.4 cfm
    • SILENT WINGS PRO 4 | 140mm PWM:97.41 cfm
  • Airflow
    • SILENT WINGS 4 | 140mm PWM high-speed:133.2 m³/h
    • SILENT WINGS PRO 4 | 140mm PWM:165.5 m³/h
  • Maximum air pressure
    • SILENT WINGS 4 | 140mm PWM high-speed:2.36 mmH2O
    • SILENT WINGS PRO 4 | 140mm PWM:3.64 mmH2O
  • Power consumption (typical)
    • SILENT WINGS 4 | 140mm PWM high-speed:4.8 W
    • SILENT WINGS PRO 4 | 140mm PWM:6 W
  • Voltage
    • SILENT WINGS 4 | 140mm PWM high-speed:5 - 13.2 V
    • SILENT WINGS PRO 4 | 140mm PWM:7 - 13.2 V
  • Maximum current
    • SILENT WINGS 4 | 140mm PWM high-speed:0.4 A
    • SILENT WINGS PRO 4 | 140mm PWM:0.5 A

Side by side

Differences highlightedShow differences only (off)
Comparison of SILENT WINGS 4 | 140mm PWM high-speed, SILENT WINGS PRO 4 | 140mm PWM
43 specifications
Performance5 differ
Suitable locationComputer caseComputer case
TypeFanFan
Fan diameter14 cm14 cm
Rotational speed (max)Differs1900 RPM2400 RPM
Noise level (high speed)Differs29.3 dB36.8 dB
Maximum airflowDiffers78.4 cfm97.41 cfm
AirflowDiffers133.2 m³/h165.5 m³/h
Maximum air pressureDiffers2.36 mmH2O3.64 mmH2O
Pulse-width modulation (PWM) supportYesYes
Bearing typeFluid Dynamic Bearing (FDB)Fluid Dynamic Bearing (FDB)
Quantity per pack1 pc(s)1 pc(s)
Mean time between failures (MTBF)300000 h300000 h
Designidentical
Product colourBlackBlack
Number of fans1 fan(s)1 fan(s)
Illumination LEDNoNo
Fan connector4-pin4-pin
Display typeNot applicableNot applicable
CertificationCE / ROHS / RU / UKCA / TÜV / WEEECE / ROHS / RU / UKCA / TÜV / WEEE
Power4 differ
Power consumption (typical)Differs4.8 W6 W
VoltageDiffers5 - 13.2 V7 - 13.2 V
Rated voltage12 V12 V
Maximum currentDiffers0.4 A0.5 A
Rated currentDiffers0.4 A0.5 A
Weight & dimensions2 differ
Width140 mm140 mm
Depth140 mm140 mm
Height25 mm25 mm
WeightDiffers220 g258 g
Fan dimensions (W x D x H)Known for oneUnknown — not stated by the source140 x 140 x 25 mm
Cable length0.5 m0.5 m
Package width156 mm156 mm
Package depth206.5 mm206.5 mm
Package height31 mm31 mm
Package weightDiffers390 g448 g
Packaging contentidentical
Screws includedYesYes
Number of screws44
Number of clips44
Other features1 differ
Country of originDiffersChinaGermany
Logistics data1 differ
Harmonized System (HS) code8473308084733080
Products per shipping (inner) case32 pc(s)32 pc(s)
Shipping (inner) case width31.7 cm31.7 cm
Shipping (inner) case length46.3 cm46.3 cm
Shipping (inner) case height38.8 cm38.8 cm
Shipping (inner) case gross weightDiffers13.7 kg15.5 kg

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More computer cooling system comparisons

All computer cooling system comparisons