Product comparison · 2 power supply units

COUGAR CGR ST-550 vs COUGAR CGR ST-650

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  • 47specifications compared
  • 13differ
  • 34identical
  • 1known for one product only

Key differences

  • Total power
    • CGR ST-550:550 W
    • CGR ST-650:650 W
  • Combined power (+3.3V)
    • CGR ST-550:110 W
    • CGR ST-650:130 W
  • Combined power (+12V)
    • CGR ST-550:504 W
    • CGR ST-650:624 W
  • Combined power (+5V)
    • CGR ST-550:110 W
    • CGR ST-650:130 W
  • Combined power (+5Vsb)
    • CGR ST-550:12.5 W
    • CGR ST-650:15 W
  • Max output current (+3.3V)
    • CGR ST-550:16 A
    • CGR ST-650:18 A
  • Max output current (+12V)
    • CGR ST-550:42 A
    • CGR ST-650:52 A
  • Max output current (+5V)
    • CGR ST-550:18 A
    • CGR ST-650:20 A

Side by side

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Comparison of CGR ST-550, CGR ST-650
48 specifications
Power10 differ
Total powerDiffers550 W650 W
AC input voltage200 - 240 V200 - 240 V
AC input frequency50 Hz50 Hz
Input current6.3 A6.3 A
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs110 W130 W
Combined power (+12V)Differs504 W624 W
Combined power (+5V)Differs110 W130 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)Differs12.5 W15 W
Max output current (+3.3V)Differs16 A18 A
Max output current (+12V)Differs42 A52 A
Max output current (+5V)Differs18 A20 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)Differs2.5 A3 A
Efficiency99%99%
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuit, Under voltageOver current, Over voltage, Short circuit, Under voltage, Overload
Ports & interfaces1 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable length45 cm45 cm
Number of PATA power connectors22
Number of SATA power connectorsDiffers56
SATA power cable length450 mm450 mm
Peripheral (Molex) power connectors (4-pin)11
Peripheral (Molex) power cable length450 mm450 mm
PCI Express power connectors (6+2 pin)22
PCI Express power cable length45 cm45 cm
CPU power connector (4+4 pin)YesYes
CPU power cable length60 cm60 cm
Cabling typeFully-ModularFully-Modular
Performanceidentical
PurposePCPC
80 PLUS certificationKnown for oneUnknown — not stated by the source80 PLUS Silver
Designidentical
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationTopTop
On/off switchYesYes
Packaging contentidentical
Cables includedCPU, PATA, PCIe, SATACPU, PATA, PCIe, SATA
Certificatesidentical
Compliance certificatesCCC, CE, EAC, Federal Communications Commission (FCC), RoHSCCC, CE, EAC, Federal Communications Commission (FCC), RoHS
Weight & dimensions1 differ
Width150 mm150 mm
Depth140 mm140 mm
Height86 mm86 mm
WeightDiffers1.35 kg1.4 kg
Packaging data1 differ
Package width187 mm187 mm
Package depth158 mm158 mm
Package height165 mm165 mm
Package weightDiffers1.65 kg1.7 kg
Package typeBoxBox

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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