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Product comparison · 2 power supply units

FSP ATX-350PNR power supply unit vs FSP ATX-550PNR power supply unit

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  • 29specifications compared
  • 10differ
  • 19identical
  • 5known for one product only

Key differences

The FSP ATX-550PNR power supply unit has 200 W more total power than the FSP ATX-350PNR power supply unit (550 W vs 350 W). The FSP ATX-350PNR power supply unit has 10 W more combined power (+3.3V) than the FSP ATX-550PNR power supply unit (130 W vs 120 W). The FSP ATX-550PNR power supply unit has 180 W more combined power (+12V) than the FSP ATX-350PNR power supply unit (456 W vs 276 W). Maximum input current (@110V): +12V1,+12V2,+3.3V,+5V,+5Vsb,-12V on the FSP ATX-350PNR power supply unit, +12V,+3.3V,+5V,+5Vsb,-12V on the FSP ATX-550PNR power supply unit.

  • Total power
    • 350 W
    • 550 W
  • Combined power (+3.3V)
    • 130 W
    • 120 W
  • Combined power (+12V)
    • 276 W
    • 456 W
  • Combined power (+5V)
    • 130 W
    • 120 W
  • Max output current (+3.3V)
    • 20 A
    • 24 A
  • Max output current (+5V)
    • 16 A
    • 20 A
  • Max output current (-12V)
    • 0.8 A
    • 0.3 A
  • Number of SATA power connectors
    • 2
    • 4

Side by side

Differences highlightedShow differences only
34 specifications
A

FSP

ATX-350PNR power supply unit

Model ATX-350PNR

View product
B

FSP

ATX-550PNR power supply unit

Model ATX-550PNR

View product
Power8 differ
Total powerDiffers350 W550 W
Maximum input current (@110V)Differs+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Differs130 W120 W
Combined power (+12V)Differs276 W456 W
Combined power (+5V)Differs130 W120 W
Max output current (+3.3V)Differs20 A24 A
Max output current (+12V)Known for one25 A
Max output current (+5V)Differs16 A20 A
Max output current (-12V)Differs0.8 A0.3 A
Max output current (+12V1)Known for one10 A
Max output current (+12V2)Known for one13 A
Ports & interfaces2 differ
Number of SATA power connectorsDiffers24
Peripheral (Molex) power connectors (4-pin)Differs25
PCI Express power connectors (6+2 pin)Known for one1

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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