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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
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
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
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectors66
Peripheral (Molex) power connectors (4-pin)55
PCI Express power connectors (6-pin)11
PCI Express power connectors (6+2 pin)Differs12
CPU P4 connector (4-pin)11
CPU power connector (4+4 pin)YesYes
Floppy drive power connector22
Connector(s)IEC C14IEC C14
Cabling typeNon-ModularNon-Modular
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS Silver80 PLUS Silver
ATX version2.32.3
EPS version2.922.92
Noise levelDiffers19.1 dB20.5 dB
Mean time between failures (MTBF)Known for one100000 h
Designidentical
Product colourBlackBlack
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationSideSide
LED indicatorsNoNo
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
Dimensions (WxDxH)160 x 150 x 86 mm160 x 150 x 86 mm
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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