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Product comparison · 2 power supply units

Chieftec CTB-550S power supply unit vs Chieftec CTB-650S power supply unit

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  • 32specifications compared
  • 4differ
  • 28identical
  • 0known for one product only

Key differences

The Chieftec CTB-650S power supply unit has 100 W more total power than the Chieftec CTB-550S power supply unit (650 W vs 550 W). The Chieftec CTB-650S power supply unit has 100 W more peak power than the Chieftec CTB-550S power supply unit (650 W vs 550 W). The Chieftec CTB-650S power supply unit has 96 W more combined power (+12V) than the Chieftec CTB-550S power supply unit (552 W vs 456 W).

  • Total power
    • 550 W
    • 650 W
  • Peak power
    • 550 W
    • 650 W
  • Combined power (+12V)
    • 456 W
    • 552 W
  • Max output current (+12V)
    • 25 A
    • 30 A

Side by side

Differences highlightedShow differences only
32 specifications
A

Chieftec

CTB-550S power supply unit

Model CTB-550S

View product
B

Chieftec

CTB-650S power supply unit

Model CTB-650S

View product
Power4 differ
Total powerDiffers550 W650 W
Peak powerDiffers550 W650 W
AC input voltage230 V230 V
Combined power (+3.3V)130 W130 W
Combined power (+12V)Differs456 W552 W
Combined power (+5V)130 W130 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)15 W15 W
Max output current (+3.3V)22 A22 A
Max output current (+12V)Differs25 A30 A
Max output current (+5V)22 A22 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)3 A3 A
Power protection featuresOver current, Over voltage, Overload, Short circuit, Under voltage, OverheatingOver current, Over voltage, Overload, Short circuit, Under voltage, Overheating
Ports & interfacesidentical
Motherboard power connector24-pin ATX24-pin ATX
Number of SATA power connectors66
Peripheral (Molex) power connectors (4-pin)33
PCI Express power connectors (6+2 pin)22
PCI Express power connectors (8-pin)11
CPU P4 connector (4-pin)11
Floppy drive power connector11
Cabling typeNon-ModularNon-Modular
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS80 PLUS
ATX version2.32.3
Noise level24 dB24 dB
Mean time between failures (MTBF)100000 h100000 h
Designidentical
Product colourGreyGrey
Fan diameter12 cm12 cm
Certificatesidentical
CertificationFCC, CE, CB, RoHSFCC, 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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