Product comparison · 2 power supply units

FSP ATX-500PNR power supply unit vs FSP ATX-550PNR power supply unit

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  • 32specifications compared
  • 4differ
  • 28identical
  • 0known for one product only

Key differences

  • Total power
    • ATX-500PNR power supply unit:500 W
    • ATX-550PNR power supply unit:550 W
  • Combined power (+12V)
    • ATX-500PNR power supply unit:408 W
    • ATX-550PNR power supply unit:456 W
  • Max output current (+12V)
    • ATX-500PNR power supply unit:18 A
    • ATX-550PNR power supply unit:25 A
  • Number of SATA power connectors
    • ATX-500PNR power supply unit:3
    • ATX-550PNR power supply unit:4

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Comparison of ATX-500PNR, ATX-550PNR
32 specifications
Power3 differ
Total powerDiffers500 W550 W
AC input voltage230 V230 V
Maximum input current (@110V)+12V,+3.3V,+5V,+5Vsb,-12V+12V,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)120 W120 W
Combined power (+12V)Differs408 W456 W
Combined power (+5V)120 W120 W
Max output current (+3.3V)24 A24 A
Max output current (+12V)Differs18 A25 A
Max output current (+5V)20 A20 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)2.5 A2.5 A
Power protection featuresOver voltage, Overload, Short circuitOver voltage, Overload, Short circuit
Ports & interfaces1 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers34
Peripheral (Molex) power connectors (4-pin)55
PCI Express power connectors (6+2 pin)11
CPU power connector (4+4 pin)YesYes
Floppy drive power connector11
Cabling typeNon-ModularNon-Modular
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
ATX version2.22.2
Designidentical
Product colourAluminiumAluminium
Cooling typeActiveActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationSideSide
On/off switchYesYes
Weight & dimensionsidentical
Width150 mm150 mm
Depth86 mm86 mm
Height140 mm140 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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