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Product comparison · 2 power supply units

be quiet! BN134 power supply unit vs Zyxel PPS250 power supply unit

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  • 11specifications compared
  • 8differ
  • 3identical
  • 50known for one product only

Key differences

  • Total power
    • 350 W
    • 225 W
  • Input current
    • 4.5 A
    • 2.5 A
  • Mean time between failures (MTBF)
    • 100000 h
    • 44000 h
  • LED indicators
    • No
    • Yes
  • Operating temperature (T-T)
    • 10 - 50 °C
    • 0 - 50 °C
  • Weight
    • 1 kg
    • 2 kg
  • Power over Ethernet (PoE)
    • No
    • Yes
  • Redundant power supply (RPS) support
    • No
    • Yes

Side by side

Differences highlightedShow differences only
61 specifications
A

be quiet!

BN134 power supply unit

Model BN134

View product
B

Zyxel

PPS250 power supply unit

Model PPS250

View product
Power2 differ
Total powerDiffers350 W225 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers4.5 A2.5 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 featuresKnown for oneOver current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Ports & interfacesidentical
Motherboard power connectorKnown for one20+4 pin ATX
Number of SATA power connectorsKnown for one2
Peripheral (Molex) power connectors (4-pin)Known for one3
PCI Express power connectors (6-pin)Known for one1
CPU P4 connector (4-pin)Known for one1
Floppy drive power connectorKnown for one1
Connector(s)Known for oneIEC C14
Cabling typeKnown for oneNon-Modular
Monitor outletKnown for oneNo
I/O portsKnown for one1 x RPS
Performance1 differ
PurposeKnown for onePC
Power supply unit (PSU) form factorKnown for oneSFX
80 PLUS certificationKnown for one80 PLUS
Mean time between failures (MTBF)Differs100000 h44000 h
Compatible productsKnown for oneGS2200-24P
Design1 differ
Product colourBlackBlack
Cooling typeKnown for oneActive
Fan diameterKnown for one8 cm
Number of fansKnown for one1 fan(s)
Fan speedKnown for one4000
Fan locationKnown for oneSide
IlluminationKnown for oneNo
LED indicatorsDiffersNoYes
Operational conditions1 differ
Operating temperature (T-T)Differs10 - 50 °C0 - 50 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Known for one10 - 95%
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 & dimensions1 differ
WidthKnown for one125 mm
DepthKnown for one100 mm
HeightKnown for one63.5 mm
WeightDiffers1 kg2 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other features2 differ
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)DiffersNoYes
Power supply typeKnown for oneAC/DC
Redundant power supply (RPS) supportDiffersNoYes
Power rocker switchKnown for oneYes
Dimensions (WxDxH)Known for one206 x 280 x 44 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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