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Product comparison · 2 power supply units

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

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  • 26specifications compared
  • 15differ
  • 11identical
  • 9known for one product only

Key differences

The Chieftec SPS-650C power supply unit has 100 W more total power than the Chieftec CTB-550S power supply unit (650 W vs 550 W). The Chieftec SPS-650C power supply unit has 168 W more combined power (+12V) than the Chieftec CTB-550S power supply unit (624 W vs 456 W). The Chieftec SPS-650C power supply unit has 3 A more max output current (+3.3V) than the Chieftec CTB-550S power supply unit (25 A vs 22 A). AC input voltage: 230 V on the Chieftec CTB-550S power supply unit, 115 - 230 V on the Chieftec SPS-650C power supply unit. Motherboard power connector: 24-pin ATX on the Chieftec CTB-550S power supply unit, 20+4 pin ATX on the Chieftec SPS-650C power supply unit.

  • Total power
    • 550 W
    • 650 W
  • AC input voltage
    • 230 V
    • 115 - 230 V
  • Combined power (+12V)
    • 456 W
    • 624 W
  • Max output current (+3.3V)
    • 22 A
    • 25 A
  • Max output current (+12V)
    • 25 A
    • 52 A
  • Max output current (+5V)
    • 22 A
    • 25 A
  • Max output current (-12V)
    • 0.3 A
    • 0.5 A
  • Motherboard power connector
    • 24-pin ATX
    • 20+4 pin ATX

Side by side

Differences highlightedShow differences only
35 specifications
A

Chieftec

CTB-550S power supply unit

Model CTB-550S

View product
B

Chieftec

SPS-650C power supply unit

Model SPS-650C

View product
Power7 differ
Total powerDiffers550 W650 W
Peak powerKnown for one550 W
AC input voltageDiffers230 V115 - 230 V
Combined power (+12V)Differs456 W624 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Differs22 A25 A
Max output current (+12V)Differs25 A52 A
Max output current (+5V)Differs22 A25 A
Max output current (-12V)Differs0.3 A0.5 A
Power Factor Correction (PFC) typeKnown for oneActive
Ports & interfaces3 differ
Motherboard power connectorDiffers24-pin ATX20+4 pin ATX
Peripheral (Molex) power connectors (4-pin)Differs34
PCI Express power connectors (8-pin)Known for one1
CPU P4 connector (4-pin)Known for one1
Cabling typeDiffersNon-ModularFully-Modular
CPU power connector (4+4 pin)Known for oneYes
Performance1 differ
80 PLUS certificationDiffers80 PLUS80 PLUS Silver
Mean time between failures (MTBF)Known for one100000 h
Design2 differ
Product colourDiffersGreyRed
Fan diameterDiffers12 cm14 cm
Certificates1 differ
CertificationDiffersFCC, CE, CB, RoHSFCC, CE, CB
Compliance certificatesKnown for oneRoHS
Other features1 differ
Dimensions (WxDxH)Differs150 x 140 x 87 mm150 x 160 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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