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Product comparison · 2 power supply units

be quiet! BN133 power supply unit vs be quiet! Straight Power E8 CM

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  • 52specifications compared
  • 31differ
  • 21identical
  • 17known for one product only

Key differences

  • Total power
    • 300 W
    • 480 W
  • Input current
    • 4.5 A
    • 8 A
  • Power factor
    • 0.9
    • 0.99
  • Combined power (+3.3V)
    • 60 W
    • 140 W
  • Combined power (+12V)
    • 156.5 W
    • 420 W
  • Combined power (+5V)
    • 65 W
    • 140 W
  • Combined power (-12V)
    • 6 W
    • 3.6 W
  • Combined power (+5Vsb)
    • 12.5 W
    • 15 W

Side by side

Differences highlightedShow differences only
69 specifications
A

be quiet!

BN133 power supply unit

Model BN133

View product
B

be quiet!

Straight Power E8 CMView product
Power15 differ
Total powerDiffers300 W480 W
Peak powerKnown for one550 W
Input currentDiffers4.5 A8 A
Maximum input current (@110V)Differs+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers0.90.99
Combined power (+3.3V)Differs60 W140 W
Combined power (+12V)Differs156.5 W420 W
Combined power (+5V)Differs65 W140 W
Combined power (-12V)Differs6 W3.6 W
Combined power (+5Vsb)Differs12.5 W15 W
Max output current (+3.3V)Differs20 A24 A
Max output current (+12V)Differs30 A35 A
Max output current (-12V)Differs0.5 A0.3 A
Max output current (+5Vsb)Differs2.5 A3 A
EfficiencyDiffers86%89%
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Ports & interfaces4 differ
Number of SATA power connectorsDiffers25
Peripheral (Molex) power connectors (4-pin)Differs35
PCI Express power connectors (6-pin)Known for one1
PCI Express power connectors (6+2 pin)Known for one1
Floppy drive power connectorDiffers12
Cabling typeDiffersNon-ModularSemi-Modular
Monitor outletKnown for oneNo
Performance4 differ
Power supply unit (PSU) form factorDiffersSFXATX
80 PLUS certificationDiffers80 PLUS80 PLUS Silver
ATX versionKnown for one2.3
EPS versionKnown for one2.92
Noise levelDiffers17 dB18.9 dB
Bearing technologyKnown for oneFDB
Compatible productsDiffersIntel C6Multi-GPU, NVIDIA Hybrid, AMD / ATI CrossFire
Design2 differ
Fan diameterDiffers8 cm12 cm
Fan speedDiffers34001251
Cooling typeKnown for oneActive
IlluminationKnown for oneNo
Operational conditions1 differ
Operating temperature (T-T)Differs10 - 50 °C0 - 40 °C
Certificates1 differ
CertificationDiffersWEEE, EU 2002/95/EG RoHSErP, WEEE, RoHS, Energy Star 5.0
Weight & dimensions1 differ
WeightDiffers1 kg2.26 kg
WidthKnown for one125 mm
DepthKnown for one100 mm
HeightKnown for one63.5 mm
Packaging dataidentical
Package weightKnown for one3.03 kg
Case or master carton dimensions (W x D x H)Known for one199 x 195 x 75 mm
Case or master carton quantityKnown for one6 pc(s)
Other features3 differ
Dimensions (WxDxH)Differs125 x 100 x 63.5 mm160 x 150 x 86 mm
Package dimensions (WxDxH)Known for one333 x 248 x 102 mm
Parallel processing technology supportDiffersNot supportedHybrid CrossFireX
Power managementDiffersNoYes
Supported protocolsKnown for oneIntel C6

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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