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Product comparison · 2 power supply units

be quiet! BN233 power supply unit vs be quiet! System Power 8

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  • 51specifications compared
  • 32differ
  • 19identical
  • 16known for one product only

Key differences

  • Total power
    • 700 W
    • 500 W
  • AC input voltage
    • 100 - 240 V
    • 200 - 240 V
  • AC input frequency
    • 50 - 60 Hz
    • 50 Hz
  • Input current
    • 10 A
    • 4 A
  • Power factor
    • 0.97
    • 0.98
  • Combined power (+3.3V)
    • 150 W
    • 110 W
  • Combined power (+12V)
    • 672 W
    • 456 W
  • Combined power (+5V)
    • 150 W
    • 110 W

Side by side

Differences highlightedShow differences only
67 specifications
A

be quiet!

BN233 power supply unit

Model BN233

View product
B

be quiet!

System Power 8View product
Power15 differ
Total powerDiffers700 W500 W
Peak powerKnown for one770 W
AC input voltageDiffers100 - 240 V200 - 240 V
AC input frequencyDiffers50 - 60 Hz50 Hz
Input currentDiffers10 A4 A
Maximum input current (@110V)Known for one+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers0.970.98
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs150 W110 W
Combined power (+12V)Differs672 W456 W
Combined power (+5V)Differs150 W110 W
Combined power (-12V)Differs6 W3.6 W
Combined power (+5Vsb)15 W15 W
Max output current (+3.3V)Differs25 A24 A
Max output current (+12V1)Differs18 A24 A
Max output current (+12V2)Differs18 A20 A
Max output current (+12V3)Known for one22 A
Max output current (+12V4)Known for one22 A
Max output current (+5V)Differs25 A15 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)3 A3 A
EfficiencyDiffers93%87%
Hold timeDiffers17 ms18 ms
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Max output current (+12V)Known for one38 A
Ports & interfaces3 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers116
Peripheral (Molex) power connectors (4-pin)Differs40
PCI Express power connectors (6+2 pin)Differs42
CPU power connector (4+4 pin)YesYes
Floppy disk drive connectorKnown for oneYes
Floppy drive power connectorKnown for one1
Cabling typeNon-ModularNon-Modular
Number of PATA power connectorsKnown for one2
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS Gold80 PLUS
ATX version2.42.4
EPS versionKnown for one2.92
Bearing technologyDiffersFDBSleeve
Mean time between failures (MTBF)100000 h100000 h
Noise levelKnown for one30.1 dB
Design2 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameterDiffers13.5 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan speedDiffers18002100
Fan locationKnown for oneTop
On/off switchKnown for oneYes
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneCE, CB, TÜV, RCM, CU
Safety regulation & standardsidentical
SafetyKnown for oneCE, CB, TÜV, FCC, cRUus, cTUVus, BSMI
Weight & dimensions3 differ
WidthDiffers160 mm150 mm
DepthDiffers150 mm140 mm
Height86 mm86 mm
WeightDiffers2.24 kg1.82 kg
Packaging data4 differ
ManualKnown for oneYes
Package widthDiffers328 mm97 mm
Package depthDiffers248 mm195 mm
Package heightDiffers102 mm268 mm
Package weightDiffers2.87 kg2.17 kg
Package typeBoxBox
Technical detailsidentical
Sustainability certificatesENERGY STARENERGY STAR
Other features3 differ
Warranty cardKnown for oneYes
Noise level (silent mode, <30%)Differs10.9 dB15.5 dB
Noise level (quiet mode, 50%)Differs11.9 dB16.4 dB
Noise level (full-load mode, 100%)Differs23.1 dB30.1 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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