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Product comparison · 2 power supply units

be quiet! BN231 power supply unit vs be quiet! BN234 power supply unit

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  • 61specifications compared
  • 8differ
  • 53identical
  • 0known for one product only

Key differences

  • Combined power (-12V)
    • 6 W
    • 3.6 W
  • PCI Express power connectors (6+2 pin)
    • 4
    • 2
  • Cabling type
    • Non-Modular
    • Semi-Modular
  • Weight
    • 2.14 kg
    • 2.18 kg
  • Package weight
    • 2.66 kg
    • 2.77 kg
  • Noise level (silent mode, <30%)
    • 10.2 dB
    • 10.3 dB
  • Noise level (quiet mode, 50%)
    • 10.9 dB
    • 10.7 dB
  • Noise level (full-load mode, 100%)
    • 15.5 dB
    • 15 dB

Side by side

Differences highlightedShow differences only
61 specifications
A

be quiet!

BN231 power supply unit

Model BN231

View product
B

be quiet!

BN234 power supply unit

Model BN234

View product
Power1 differ
Total power500 W500 W
Peak power550 W550 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input current8 A8 A
Maximum input current (@110V)+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factor0.970.97
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)130 W130 W
Combined power (+12V)480 W480 W
Combined power (+5V)130 W130 W
Combined power (-12V)Differs6 W3.6 W
Combined power (+5Vsb)15 W15 W
Max output current (+3.3V)24 A24 A
Max output current (+12V1)18 A18 A
Max output current (+12V2)18 A18 A
Max output current (+12V3)18 A18 A
Max output current (+12V4)18 A18 A
Max output current (+5V)24 A24 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)3 A3 A
Efficiency93%93%
Hold time17 ms17 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 & interfaces2 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectors99
Peripheral (Molex) power connectors (4-pin)33
PCI Express power connectors (6+2 pin)Differs42
CPU power connector (4+4 pin)YesYes
Floppy disk drive connectorYesYes
Floppy drive power connector11
Cabling typeDiffersNon-ModularSemi-Modular
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS Gold80 PLUS Gold
ATX version2.42.4
EPS version2.922.92
Bearing technologyFDBFDB
Mean time between failures (MTBF)100000 h100000 h
Designidentical
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter13.5 cm13.5 cm
Number of fans1 fan(s)1 fan(s)
Fan speed12001200
Certificatesidentical
Compliance certificatesRoHSRoHS
Safety regulation & standardsidentical
SafetyCE, CB, TÜV, FCC, cRUus, cTUVus, BSMICE, CB, TÜV, FCC, cRUus, cTUVus, BSMI
Weight & dimensions1 differ
Width160 mm160 mm
Depth150 mm150 mm
Height86 mm86 mm
WeightDiffers2.14 kg2.18 kg
Packaging data1 differ
ManualYesYes
Package width328 mm328 mm
Package depth248 mm248 mm
Package height102 mm102 mm
Package weightDiffers2.66 kg2.77 kg
Package typeBoxBox
Technical detailsidentical
Sustainability certificatesENERGY STARENERGY STAR
Other features3 differ
Warranty cardYesYes
Noise level (silent mode, <30%)Differs10.2 dB10.3 dB
Noise level (quiet mode, 50%)Differs10.9 dB10.7 dB
Noise level (full-load mode, 100%)Differs15.5 dB15 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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