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Product comparison · 2 power supply units

be quiet! BN155 power supply unit vs be quiet! Straight Power E8

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  • 28specifications compared
  • 6differ
  • 22identical
  • 23known for one product only

Key differences

  • Total power
    • 500 W
    • 600 W
  • PCI Express power connectors (6+2 pin)
    • 1
    • 2
  • Noise level
    • 19.1 dB
    • 20.5 dB
  • Certification
    • CE, CF
    • CE, CB, D, N, S, TUV

Side by side

Differences highlightedShow differences only
51 specifications
A

be quiet!

BN155 power supply unit

Model BN155

View product
B

be quiet!

Straight Power E8View product
Power3 differ
Total powerDiffers500 W600 W
Maximum input current (@110V)Differs+12V,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+12V3,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Known for one140 W
Combined power (+12V)Known for one576 W
Combined power (+5V)Known for one140 W
Combined power (-12V)Known for one6 W
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Known for one24 A
Max output current (+12V)Known for one48 A
Max output current (+5V)Known for one24 A
Max output current (-12V)Known for one0.5 A
Max output current (+5Vsb)Known for one3 A
EfficiencyKnown for one91%
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Overload, Short circuit, Under voltage, Overheating
Ports & interfaces1 differ
PCI Express power connectors (6+2 pin)Differs12
Performance1 differ
Noise levelDiffers19.1 dB20.5 dB
Mean time between failures (MTBF)Known for one100000 h
Safety regulation & standardsidentical
SafetyKnown for oneFL
Certificates1 differ
CertificationDiffersCE, CFCE, CB, D, N, S, TUV
Packaging dataidentical
Package weightKnown for one3.01 kg
Other featuresidentical
Package dimensions (WxDxH)Known for one328 x 248 x 102 mm
Parallel processing technology supportKnown for oneNot supported
Ports quantityKnown for one20
Power managementKnown for oneYes
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

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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