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Product comparison · 2 power supply units

Chieftec CTB-450S power supply unit vs Chieftec SPS-650C power supply unit

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  • 25specifications compared
  • 19differ
  • 6identical
  • 11known for one product only

Key differences

  • Total power
    • 450 W
    • 650 W
  • AC input voltage
    • 230 V
    • 115 - 230 V
  • Combined power (+3.3V)
    • 120 W
    • 130 W
  • Combined power (+12V)
    • 350 W
    • 624 W
  • Combined power (+5V)
    • 120 W
    • 130 W
  • Max output current (+3.3V)
    • 24 A
    • 25 A
  • Max output current (+12V)
    • 20 A
    • 52 A
  • Max output current (+5V)
    • 20 A
    • 25 A

Side by side

Differences highlightedShow differences only
36 specifications
A

Chieftec

CTB-450S power supply unit

Model CTB-450S

View product
B

Chieftec

SPS-650C power supply unit

Model SPS-650C

View product
Power10 differ
Total powerDiffers450 W650 W
Peak powerKnown for one450 W
AC input voltageDiffers230 V115 - 230 V
Combined power (+3.3V)Differs120 W130 W
Combined power (+12V)Differs350 W624 W
Combined power (+5V)Differs120 W130 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one12.5 W
Max output current (+3.3V)Differs24 A25 A
Max output current (+12V)Differs20 A52 A
Max output current (+5V)Differs20 A25 A
Max output current (-12V)Differs0.3 A0.5 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
Power Factor Correction (PFC) typeKnown for oneActive
Ports & interfaces4 differ
Motherboard power connectorDiffers24-pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers46
Peripheral (Molex) power connectors (4-pin)Differs34
PCI Express power connectors (6-pin)Known for one1
CPU P4 connector (4-pin)Known for one1
Floppy drive power connector11
Cabling typeDiffersNon-ModularFully-Modular
PCI Express power connectors (6+2 pin)Known for one2
CPU power connector (4+4 pin)Known for oneYes
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS80 PLUS Silver
ATX version2.32.3
Noise level24 dB24 dB
Mean time between failures (MTBF)Known for one100000 h
Design2 differ
Product colourDiffersGreyRed
Fan diameterDiffers12 cm14 cm
Number of fansKnown for one1 fan(s)
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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