Product comparison · 2 power supply units

ARCTIC Fusion 550RF-EU vs COUGAR A660 power supply unit

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  • 22specifications compared
  • 11differ
  • 11identical
  • 21known for one product only

Key differences

  • Total power
    • Fusion 550RF-EU:550 W
    • A660 power supply unit:660 W
  • AC input voltage
    • Fusion 550RF-EU:90 - 264 V
    • A660 power supply unit:100 - 240 V
  • Max output current (+12V1)
    • Fusion 550RF-EU:17 A
    • A660 power supply unit:30 A
  • Max output current (+12V2)
    • Fusion 550RF-EU:17 A
    • A660 power supply unit:22 A
  • Max output current (+5V)
    • Fusion 550RF-EU:24 A
    • A660 power supply unit:15 A
  • Max output current (-12V)
    • Fusion 550RF-EU:0.8 A
    • A660 power supply unit:0.3 A
  • Max output current (+5Vsb)
    • Fusion 550RF-EU:2.5 A
    • A660 power supply unit:3 A
  • PCI Express power connectors (6+2 pin)
    • Fusion 550RF-EU:2
    • A660 power supply unit:1

Side by side

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Comparison of Fusion 550RF-EU, A660
43 specifications
Power7 differ
Total powerDiffers550 W660 W
AC input voltageDiffers90 - 264 V100 - 240 V
Power Factor Correction (PFC) typeKnown for oneActiveUnknown — not stated by the source
Combined power (+3.3V)130 W130 W
Combined power (+5V)130 W130 W
Combined power (-12V)Known for one9.6 WUnknown — not stated by the source
Combined power (+5Vsb)Known for one12.5 WUnknown — not stated by the source
Max output current (+3.3V)24 A24 A
Max output current (+12V1)Differs17 A30 A
Max output current (+12V2)Differs17 A22 A
Max output current (+5V)Differs24 A15 A
Max output current (-12V)Differs0.8 A0.3 A
Max output current (+5Vsb)Differs2.5 A3 A
EfficiencyKnown for one86%Unknown — not stated by the source
Hold timeKnown for one17 msUnknown — not stated by the source
Power protection featuresKnown for oneOver power, Over voltage, Short circuitUnknown — 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 source9 A
Combined power (+12V)Known for oneUnknown — not stated by the source576 W
Ports & interfaces2 differ
Motherboard power connectorKnown for one20+4 pin ATXUnknown — not stated by the source
Number of SATA power connectors66
PCI Express power connectors (6-pin)22
PCI Express power connectors (6+2 pin)Differs21
CPU P4 connector (4-pin)Differs116
ATX power connector (20+4 pin)Known for oneYesUnknown — not stated by the source
Floppy drive power connector11
Cabling typeNon-ModularNon-Modular
Peripheral (Molex) power connectors (4-pin)Known for oneUnknown — not stated by the source4
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorDiffersATX1U
Mean time between failures (MTBF)Known for one100000 hUnknown — not stated by the source
Designidentical
Product colourBlackBlack
Fan speedKnown for one2000Unknown — not stated by the source
Fan diameterKnown for oneUnknown — not stated by the source12 cm
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 50 °CUnknown — not stated by the source
Storage temperature (T-T)Known for one-40 - 85 °CUnknown — not stated by the source
Operating relative humidity (H-H)Known for one20 - 80%Unknown — not stated by the source
Storage relative humidity (H-H)Known for one10 - 95%Unknown — not stated by the source
Certificatesidentical
CertificationKnown for oneCUL / CE / CB / FCCUnknown — not stated by the source
Weight & dimensions1 differ
Width150 mm150 mm
DepthDiffers160 mm140 mm
Height86 mm86 mm
Other featuresidentical
Package dimensions (WxDxH)Known for one190 x 265 x 110 mmUnknown — not stated by the source

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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