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Product comparison · 2 power supply units

be quiet! BN234 power supply unit vs be quiet! Dark Power Pro 11

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  • 45specifications compared
  • 25differ
  • 20identical
  • 20known for one product only

Key differences

  • Total power
    • 500 W
    • 1000 W
  • Peak power
    • 550 W
    • 1100 W
  • Input current
    • 8 A
    • 14 A
  • Power factor
    • 0.97
    • 0.99
  • Combined power (+3.3V)
    • 130 W
    • 25 W
  • Combined power (+5V)
    • 130 W
    • 25 W
  • Combined power (-12V)
    • 3.6 W
    • 0.5 W
  • Efficiency
    • 93%
    • 94.1%

Side by side

Differences highlightedShow differences only
65 specifications
A

be quiet!

BN234 power supply unit

Model BN234

View product
B

be quiet!

Dark Power Pro 11View product
Power9 differ
Total powerDiffers500 W1000 W
Peak powerDiffers550 W1100 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers8 A14 A
Maximum input current (@110V)+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers0.970.99
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Differs130 W25 W
Combined power (+12V)Known for one480 W
Combined power (+5V)Differs130 W25 W
Combined power (-12V)Differs3.6 W0.5 W
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Known for one24 A
Max output current (+12V1)Known for one18 A
Max output current (+12V2)Known for one18 A
Max output current (+12V3)Known for one18 A
Max output current (+12V4)Known for one18 A
Max output current (+5V)Known for one24 A
Max output current (-12V)Known for one0.3 A
Max output current (+5Vsb)Known for one3 A
EfficiencyDiffers93%94.1%
Hold timeDiffers17 ms19.29 ms
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces4 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers910
Peripheral (Molex) power connectors (4-pin)Differs37
PCI Express power connectors (6+2 pin)Differs28
CPU power connector (4+4 pin)YesYes
Floppy disk drive connectorYesYes
Floppy drive power connectorDiffers12
Cabling typeSemi-ModularSemi-Modular
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6-pin)Known for one1
CPU power connectors (8-pin)Known for one1
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS Gold80 PLUS Platinum
ATX version2.42.4
EPS version2.922.92
Bearing technologyKnown for oneFDB
Mean time between failures (MTBF)Known for one100000 h
Design1 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter13.5 cm13.5 cm
Number of fans1 fan(s)1 fan(s)
Fan speedDiffers12001800
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneErP, WEEE
Safety regulation & standards1 differ
SafetyDiffersCE, CB, TÜV, FCC, cRUus, cTUVus, BSMICE, CB, TÜV, FCC, cTUVus, RCM, CU
Weight & dimensions3 differ
WidthDiffers160 mm150 mm
DepthDiffers150 mm193 mm
Height86 mm86 mm
WeightDiffers2.18 kg2.38 kg
Packaging data4 differ
ManualKnown for oneYes
Package widthDiffers328 mm305 mm
Package depthDiffers248 mm514 mm
Package heightDiffers102 mm378 mm
Package weightDiffers2.77 kg4.59 kg
Package typeBoxBox
Technical detailsidentical
Sustainability certificatesENERGY STARENERGY STAR
Other features2 differ
Warranty cardKnown for oneYes
Noise level (silent mode, <30%)Known for one10.3 dB
Noise level (quiet mode, 50%)Differs10.7 dB10.4 dB
Noise level (full-load mode, 100%)Differs15 dB26.3 dB

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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