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Product comparison · 2 power supply units

be quiet! Dark Power Pro 11 vs Chieftec SFX-250VS power supply unit

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  • 24specifications compared
  • 21differ
  • 3identical
  • 33known for one product only

Key differences

  • Total power
    • 1000 W
    • 250 W
  • AC input voltage
    • 100 - 240 V
    • 230 V
  • AC input frequency
    • 50 - 60 Hz
    • 50 Hz
  • Input current
    • 14 A
    • 3 A
  • Power factor
    • 0.99
    • 0.9
  • Combined power (+3.3V)
    • 25 W
    • 80 W
  • Combined power (+5V)
    • 25 W
    • 80 W
  • Combined power (-12V)
    • 0.5 W
    • 3.6 W

Side by side

Differences highlightedShow differences only
57 specifications
A

be quiet!

Dark Power Pro 11View product
B

Chieftec

SFX-250VS power supply unit

Model SFX-250VS

View product
Power9 differ
Total powerDiffers1000 W250 W
Peak powerKnown for one1100 W
AC input voltageDiffers100 - 240 V230 V
AC input frequencyDiffers50 - 60 Hz50 Hz
Input currentDiffers14 A3 A
Maximum input current (@110V)Known for one+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers0.990.9
Combined power (+3.3V)Differs25 W80 W
Combined power (+5V)Differs25 W80 W
Combined power (-12V)Differs0.5 W3.6 W
EfficiencyDiffers94.1%85%
Hold timeKnown for one19.29 ms
Power protection featuresKnown for oneOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Known for one14 A
Max output current (+12V1)Known for one18.5 A
Max output current (+5V)Known for one15 A
Max output current (-12V)Known for one0.3 A
Max output current (+5Vsb)Known for one3 A
Ports & interfaces4 differ
Number of SATA power connectorsDiffers102
Peripheral (Molex) power connectors (4-pin)Differs72
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6-pin)Known for one1
PCI Express power connectors (6+2 pin)Known for one8
CPU power connector (4+4 pin)Known for oneYes
Floppy disk drive connectorKnown for oneYes
Floppy drive power connectorDiffers21
CPU power connectors (8-pin)Known for one1
Cabling typeDiffersSemi-ModularNon-Modular
ATX power connector (20+4 pin)Known for oneYes
Performance2 differ
Power supply unit (PSU) form factorDiffersATXSFX
80 PLUS certificationKnown for one80 PLUS Platinum
ATX versionDiffers2.42.3
EPS versionKnown for one2.92
Design2 differ
Product colourDiffersBlackSilver
Cooling typeKnown for oneActive
Fan diameterDiffers13.5 cm8 cm
Fan speedKnown for one1800
Certificates1 differ
Compliance certificatesKnown for oneRoHS
CertificationDiffersErP, WEEEUVP; OVP; SCP; OPP; AFC;
Safety regulation & standardsidentical
SafetyKnown for oneCE, CB, TÜV, FCC, cTUVus, RCM, CU
Weight & dimensions3 differ
WidthDiffers150 mm100 mm
DepthDiffers193 mm125 mm
HeightDiffers86 mm64 mm
WeightKnown for one2.38 kg
Packaging dataidentical
Package widthKnown for one305 mm
Package depthKnown for one514 mm
Package heightKnown for one378 mm
Package weightKnown for one4.59 kg
Package typeKnown for oneBox
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Noise level (quiet mode, 50%)Known for one10.4 dB
Noise level (full-load mode, 100%)Known for one26.3 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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