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Product comparison · 2 power supply units

Chieftec GPA-450S8 power supply unit vs COUGAR SX550/R power supply unit

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  • 25specifications compared
  • 16differ
  • 9identical
  • 30known for one product only

Key differences

  • Total power
    • 450 W
    • 542 W
  • AC input voltage
    • 230 V
    • 100 - 240 V
  • Input current
    • 4 A
    • 5 - 10 A
  • Max output current (+3.3V)
    • 22 A
    • 25 A
  • Max output current (+5V)
    • 18 A
    • 25 A
  • Max output current (-12V)
    • 0.3 A
    • 0.6 A
  • Max output current (+5Vsb)
    • 2.5 A
    • 3 A
  • Number of SATA power connectors
    • 3
    • 7

Side by side

Differences highlightedShow differences only
55 specifications
A

Chieftec

GPA-450S8 power supply unit

Model GPA-450S8

View product
B

COUGAR

SX550/R power supply unit

Model SX550/R

View product
Power7 differ
Total powerDiffers450 W542 W
Peak powerKnown for one550 W
AC input voltageDiffers230 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers4 A5 - 10 A
Maximum input current (@110V)Known for one+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeActiveActive
Max output current (+3.3V)Differs22 A25 A
Max output current (+12V1)Known for one20 A
Max output current (+12V2)Known for one20 A
Max output current (+12V3)Known for one24 A
Max output current (+12V4)Known for one24 A
Max output current (+5V)Differs18 A25 A
Max output current (-12V)Differs0.3 A0.6 A
Max output current (+5Vsb)Differs2.5 A3 A
EfficiencyKnown for one91%
Power protection featuresOver current, Over voltage, Overload, Short circuit, Under voltage, OverheatingOver current, Over voltage, Overload, Short circuit, Under voltage, Overheating
Combined power (+3.3V)Known for one120 W
Combined power (+12V)Known for one360 W
Combined power (+5V)Known for one120 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one12.5 W
Max output current (+12V)Known for one21 A
Ports & interfaces3 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers37
Peripheral (Molex) power connectors (4-pin)Differs25
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6-pin)Known for one3
PCI Express power connectors (6+2 pin)11
CPU power connector (4+4 pin)Known for oneYes
ATX power connector (20+4 pin)Known for oneYes
Floppy drive power connector11
CPU power connectors (8-pin)Known for one1
Cabling typeDiffersNon-ModularSemi-Modular
Monitor outletKnown for oneNo
CPU P4 connector (4-pin)Known for one1
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationKnown for one80 PLUS Silver
ATX versionKnown for one2.3
Noise levelKnown for one24 dB
Mean time between failures (MTBF)Known for one100000 h
Design2 differ
Product colourDiffersGreyBlack, Orange, Silver
Cooling typeKnown for oneActive
Fan diameterDiffers12 cm14 cm
Number of fansKnown for one1 fan(s)
Fan locationKnown for oneSide
Certificates1 differ
CertificationDiffersFCC, CE, CBCB, CE, FCC
Compliance certificatesKnown for oneRoHS
Weight & dimensions2 differ
Width150 mm150 mm
DepthDiffers140 mm180 mm
HeightDiffers87 mm86 mm
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other features1 differ
Dimensions (WxDxH)Differs150 x 140 x 87 mm150 x 180 x 86 mm
Maximum currentKnown for one25 A

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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