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Product comparison · 2 power supply units

be quiet! Straight Power 11 vs Chieftec CSN-650C power supply unit

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  • 32specifications compared
  • 20differ
  • 12identical
  • 37known for one product only

Key differences

  • Total power
    • 750 W
    • 650 W
  • AC input frequency
    • 50 - 60 Hz
    • 47 - 63 Hz
  • Input current
    • 10 A
    • 6 A
  • Power factor
    • 0.99
    • 0.9
  • Combined power (+3.3V)
    • 150 W
    • 90 W
  • Combined power (+5V)
    • 150 W
    • 90 W
  • Max output current (+3.3V)
    • 25 A
    • 18 A
  • Max output current (+12V1)
    • 20 A
    • 54 A

Side by side

Differences highlightedShow differences only
69 specifications
A

be quiet!

Straight Power 11View product
B

Chieftec

CSN-650C power supply unit

Model CSN-650C

View product
Power12 differ
Total powerDiffers750 W650 W
Peak powerKnown for one820 W
AC input frequencyDiffers50 - 60 Hz47 - 63 Hz
Input currentDiffers10 A6 A
Power factorDiffers0.990.9
Combined power (+3.3V)Differs150 W90 W
Combined power (+12V)Known for one750 W
Combined power (+5V)Differs150 W90 W
Combined power (-12V)Known for one6 W
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Differs25 A18 A
Max output current (+12V1)Differs20 A54 A
Max output current (+12V2)Known for one20 A
Max output current (+12V3)Known for one24 A
Max output current (+12V4)Known for one24 A
Max output current (+5V)Differs25 A15 A
Max output current (-12V)Differs0.5 A0.3 A
EfficiencyDiffers93%90%
Hold timeKnown for one19.6 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver current, Over voltage, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces2 differ
Motherboard power cable lengthKnown for one60 cm
Number of PATA power connectorsKnown for one4
Number of SATA power connectorsDiffers116
SATA power cable lengthKnown for one550 mm
PCI Express power connectors (6+2 pin)Differs42
PCI Express power cable lengthKnown for one60 cm
CPU power cable lengthKnown for one70 cm
Floppy disk drive connectorKnown for oneYes
PCI Express connectorKnown for oneYes
Peripheral (Molex) power connectors (4-pin)Known for one3
Floppy drive power connectorKnown for one1
Performance2 differ
Power supply unit (PSU) form factorDiffersATXSFX
ATX versionDiffers2.42.3
EPS versionKnown for one2.92
Silent modeKnown for oneYes
Bearing technologyKnown for oneFDB
Design1 differ
Cooling typeKnown for oneActive
Fan diameterDiffers13.5 cm8 cm
IlluminationKnown for oneNo
On/off switchKnown for oneYes
Certificatesidentical
CertificationKnown for oneCE, FCC, TÜV, cTUVus, RCM, BSMI, CU
Weight & dimensions3 differ
WidthDiffers150 mm125 mm
DepthDiffers170 mm100 mm
HeightDiffers86 mm64 mm
WeightKnown for one1.78 kg
Packaging dataidentical
ManualKnown for oneYes
Package widthKnown for one248 mm
Package depthKnown for one328 mm
Package heightKnown for one102 mm
Package weightKnown for one3.34 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Screws includedKnown for oneYes
Cable ties includedKnown for oneYes
Noise level (silent mode, <30%)Known for one8.4 dB
Noise level (quiet mode, 50%)Known for one9.01 dB
Noise level (full-load mode, 100%)Known for one21.23 dB
Cable managementKnown 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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