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Product comparison · 2 computer cooling systems

be quiet! SILENT WINGS 4 | 120mm PWM high-speed White vs be quiet! SILENT WINGS PRO 4 | 140mm PWM

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  • 34specifications compared
  • 20differ
  • 14identical
  • 15known for one product only

Key differences

  • Fan diameter
    • 12 cm
    • 14 cm
  • Rotational speed (max)
    • 2500 RPM
    • 2400 RPM
  • Noise level (high speed)
    • 31.2 dB
    • 36.8 dB
  • Maximum airflow
    • 76.7 cfm
    • 97.41 cfm
  • Airflow
    • 130.3 m³/h
    • 165.5 m³/h
  • Maximum air pressure
    • 3.96 mmH2O
    • 3.64 mmH2O
  • Bearing type
    • Rifle bearing
    • Fluid Dynamic Bearing (FDB)
  • Product colour
    • White
    • Black

Side by side

Differences highlightedShow differences only
49 specifications
A

be quiet!

SILENT WINGS 4 | 120mm PWM high-speed WhiteView product
B

be quiet!

SILENT WINGS PRO 4 | 140mm PWMView product
Performance7 differ
Suitable locationComputer caseComputer case
TypeFanFan
Fan diameterDiffers12 cm14 cm
Rotational speed (max)Differs2500 RPM2400 RPM
Noise level (high speed)Differs31.2 dB36.8 dB
Maximum airflowDiffers76.7 cfm97.41 cfm
AirflowDiffers130.3 m³/h165.5 m³/h
Maximum air pressureDiffers3.96 mmH2O3.64 mmH2O
Pulse-width modulation (PWM) supportYesYes
Bearing typeDiffersRifle bearingFluid Dynamic Bearing (FDB)
Quantity per pack1 pc(s)1 pc(s)
Mean time between failures (MTBF)Known for one300000 h
Fan's mean time to failure (MTTF)Known for one300000 h
Design1 differ
Product colourDiffersWhiteBlack
Number of fans1 fan(s)1 fan(s)
Illumination LEDNoNo
Fan connector4-pin4-pin
Display typeNot applicableNot applicable
CertificationKnown for oneCE / ROHS / RU / UKCA / TÜV / WEEE
Power2 differ
Power consumption (typical)Known for one6 W
VoltageDiffers5 - 13.2 V7 - 13.2 V
Rated voltage12 V12 V
Maximum currentKnown for one0.5 A
Rated currentDiffers0.2 A0.5 A
Fan power consumptionKnown for one2.4 W
Weight & dimensions6 differ
WidthDiffers120 mm140 mm
DepthDiffers120 mm140 mm
Height25 mm25 mm
WeightDiffers190 g258 g
Fan dimensions (W x D x H)Known for one140 x 140 x 25 mm
Cable length0.5 m0.5 m
Package widthDiffers141 mm156 mm
Package depthDiffers192 mm206.5 mm
Package height31 mm31 mm
Package weightDiffers350 g448 g
Packaging contentidentical
Screws includedYesYes
Number of screws44
Number of clipsKnown for one4
Other featuresidentical
Country of originKnown for oneGermany
Logistics data4 differ
Harmonized System (HS) codeKnown for one84733080
Products per shipping (inner) caseKnown for one32 pc(s)
Shipping (inner) case widthDiffers38.7 cm31.7 cm
Shipping (inner) case lengthDiffers43.2 cm46.3 cm
Shipping (inner) case heightDiffers37.5 cm38.8 cm
Shipping (inner) case gross weightDiffers15 kg15.5 kg
Technical detailsidentical
Compliance certificatesKnown for oneCE, RoHS, UKCA, WEEE
Sustainability certificatesKnown for oneTriman
Warranty periodKnown for one3 year(s)
Sustainability complianceKnown for oneYes

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.

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