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Product comparison · 2 power supply units

be quiet! BN134 power supply unit vs Chieftec BPS-450S power supply unit

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  • 13specifications compared
  • 6differ
  • 7identical
  • 46known for one product only

Key differences

  • Total power
    • 350 W
    • 450 W
  • Input current
    • 4.5 A
    • 3/6 A
  • Number of SATA power connectors
    • 2
    • 4
  • Power supply unit (PSU) form factor
    • SFX
    • ATX
  • Fan diameter
    • 8 cm
    • 12 cm

Side by side

Differences highlightedShow differences only
59 specifications
A

be quiet!

BN134 power supply unit

Model BN134

View product
B

Chieftec

BPS-450S power supply unit

Model BPS-450S

View product
Power3 differ
Total powerDiffers350 W450 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers4.5 A3/6 A
Power factorKnown for one0.9
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Known for one60 W
Combined power (+12V)Known for one200 W
Combined power (+5V)Known for one65 W
Combined power (-12V)Known for one6 W
Combined power (+5Vsb)Known for one12.5 W
Max output current (+3.3V)Known for one20 A
Max output current (+12V)Known for one30 A
Max output current (+5V)Known for one22 A
Max output current (-12V)Known for one0.5 A
Max output current (+5Vsb)Known for one2.5 A
EfficiencyKnown for one86%
Hold timeKnown for one17 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuit, Under voltage, OverheatingOver current, Over voltage, Short circuit, Under voltage, Overload
Ports & interfaces1 differ
Motherboard power connectorKnown for one20+4 pin ATX
Number of SATA power connectorsDiffers24
Peripheral (Molex) power connectors (4-pin)33
PCI Express power connectors (6-pin)11
CPU P4 connector (4-pin)Known for one1
Floppy drive power connector11
Connector(s)Known for oneIEC C14
Cabling typeNon-ModularNon-Modular
Monitor outletKnown for oneNo
EPS power connector (8-pin)Known for oneYes
ATX Power connector (24-pin)Known for oneYes
Performance1 differ
PurposeKnown for onePC
Power supply unit (PSU) form factorDiffersSFXATX
80 PLUS certificationKnown for one80 PLUS
Mean time between failures (MTBF)100000 h100000 h
Design1 differ
Product colourKnown for oneBlack
Cooling typeKnown for oneActive
Fan diameterDiffers8 cm12 cm
Number of fansKnown for one1 fan(s)
Fan speedKnown for one4000
Fan locationKnown for oneSide
IlluminationKnown for oneNo
LED indicatorsKnown for oneNo
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 50 °C
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneWEEE, EU 2002/95/EG RoHS
Safety regulation & standardsidentical
SafetyKnown for oneCE, CB, TUV, N, S, Fl, D
Weight & dimensionsidentical
WidthKnown for one125 mm
DepthKnown for one100 mm
HeightKnown for one63.5 mm
WeightKnown for one1 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Package dimensions (WxDxH)Known for one199 x 195 x 75 mm
Parallel processing technology supportKnown for oneNot supported
Power managementKnown for oneNo
Power over Ethernet (PoE)Known for oneNo
Power supply typeKnown for oneAC/DC
Redundant power supply (RPS) supportKnown for oneNo
Power rocker switchKnown for oneYes
Dimensions (WxDxH)Known for one150 x 140 x 87 mm

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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