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Product comparison · 2 power supply units

Chieftec CTB-350S power supply unit vs Chieftec CTB-650S power supply unit

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  • 29specifications compared
  • 12differ
  • 17identical
  • 4known for one product only

Key differences

  • Total power
    • 350 W
    • 650 W
  • Peak power
    • 350 W
    • 650 W
  • Combined power (+3.3V)
    • 120 W
    • 130 W
  • Combined power (+12V)
    • 270 W
    • 552 W
  • Combined power (+5V)
    • 120 W
    • 130 W
  • Combined power (+5Vsb)
    • 12.5 W
    • 15 W
  • Max output current (+3.3V)
    • 21 A
    • 22 A
  • Max output current (+12V)
    • 16 A
    • 30 A

Side by side

Differences highlightedShow differences only
33 specifications
A

Chieftec

CTB-350S power supply unit

Model CTB-350S

View product
B

Chieftec

CTB-650S power supply unit

Model CTB-650S

View product
Power10 differ
Total powerDiffers350 W650 W
Peak powerDiffers350 W650 W
AC input voltage230 V230 V
Combined power (+3.3V)Differs120 W130 W
Combined power (+12V)Differs270 W552 W
Combined power (+5V)Differs120 W130 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)Differs12.5 W15 W
Max output current (+3.3V)Differs21 A22 A
Max output current (+12V)Differs16 A30 A
Max output current (+5V)Differs18 A22 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)Differs2.5 A3 A
Power protection featuresOver current, Over voltage, Overload, Short circuit, Under voltage, OverheatingOver current, Over voltage, Overload, Short circuit, Under voltage, Overheating
Ports & interfaces1 differ
Motherboard power connector24-pin ATX24-pin ATX
Number of SATA power connectorsDiffers36
Peripheral (Molex) power connectors (4-pin)33
PCI Express power connectors (6+2 pin)Known for one2
PCI Express power connectors (8-pin)Known for one1
CPU P4 connector (4-pin)11
Floppy drive power connector11
Cabling typeNon-ModularNon-Modular
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationKnown for one80 PLUS
ATX version2.32.3
Noise level24 dB24 dB
Mean time between failures (MTBF)100000 h100000 h
Designidentical
Product colourGreyGrey
Fan diameter12 cm12 cm
Number of fansKnown for one1 fan(s)
Certificates1 differ
CertificationDiffersFCC, CE, CBFCC, CE, CB, RoHS
Other featuresidentical
Dimensions (WxDxH)150 x 140 x 87 mm150 x 140 x 87 mm

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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