Product comparison · 2 power supply units

Chieftec GPA-450S power supply unit vs COUGAR SX550 power supply unit

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  • 17specifications compared
  • 14differ
  • 3identical
  • 23known for one product only

Key differences

  • Total power
    • GPA-450S power supply unit:450 W
    • SX550 power supply unit:550 W
  • AC input voltage
    • GPA-450S power supply unit:230 V
    • SX550 power supply unit:100 - 240 V
  • Combined power (+3.3V)
    • GPA-450S power supply unit:120 W
    • SX550 power supply unit:140 W
  • Combined power (+12V)
    • GPA-450S power supply unit:360 W
    • SX550 power supply unit:542 W
  • Combined power (+5V)
    • GPA-450S power supply unit:120 W
    • SX550 power supply unit:140 W
  • Max output current (+3.3V)
    • GPA-450S power supply unit:22 A
    • SX550 power supply unit:25 A
  • Max output current (+5V)
    • GPA-450S power supply unit:18 A
    • SX550 power supply unit:25 A
  • Max output current (-12V)
    • GPA-450S power supply unit:0.3 A
    • SX550 power supply unit:0.6 A

Side by side

Differences highlightedShow differences only (on)
Comparison of GPA-450S, SX550
40 specifications
Power9 differ
Total powerDiffers450 W550 W
AC input voltageDiffers230 V100 - 240 V
Power Factor Correction (PFC) typeKnown for oneActiveUnknown — not stated by the source
Combined power (+3.3V)Differs120 W140 W
Combined power (+12V)Differs360 W542 W
Combined power (+5V)Differs120 W140 W
Combined power (-12V)Known for one3.6 WUnknown — not stated by the source
Combined power (+5Vsb)Known for one12.5 WUnknown — not stated by the source
Max output current (+3.3V)Differs22 A25 A
Max output current (+12V)Known for one21 AUnknown — not stated by the source
Max output current (+5V)Differs18 A25 A
Max output current (-12V)Differs0.3 A0.6 A
Max output current (+5Vsb)Differs2.5 A3 A
Power protection featuresKnown for oneOver current, Over voltage, Overload, Short circuit, Under voltage, OverheatingUnknown — not stated by the source
AC input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Input currentKnown for oneUnknown — not stated by the source10 A
Max output current (+12V2)Known for oneUnknown — not stated by the source20 A
Max output current (+12V3)Known for oneUnknown — not stated by the source24 A
Max output current (+12V4)Known for oneUnknown — not stated by the source24 A
Ports & interfaces4 differ
Motherboard power connectorKnown for one24-pin ATXUnknown — not stated by the source
Number of SATA power connectorsDiffers47
Peripheral (Molex) power connectors (4-pin)Differs25
CPU P4 connector (4-pin)Differs120
Cabling typeDiffersNon-ModularSemi-Modular
PCI Express power connectors (6-pin)Known for oneUnknown — not stated by the source3
Performanceidentical
Power supply unit (PSU) form factorKnown for oneATXUnknown — not stated by the source
ATX versionKnown for one2.3Unknown — not stated by the source
Noise levelKnown for one24 dBUnknown — not stated by the source
Mean time between failures (MTBF)Known for one100000 hUnknown — not stated by the source
Design1 differ
Product colourDiffersGreyBlack, Orange, White
Fan diameterKnown for one12 cmUnknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for oneRoHSUnknown — not stated by the source
CertificationKnown for oneFCC, CE, CBUnknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one150 x 140 x 87 mmUnknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for oneUnknown — not stated by the source150 mm
DepthKnown for oneUnknown — not stated by the source180 mm
HeightKnown for oneUnknown — not stated by the source86 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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