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Product comparison · 2 power supply units

FSP ATX-550PNR power supply unit vs FSP TX-400PAF power supply unit

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  • 29specifications compared
  • 14differ
  • 15identical
  • 5known for one product only

Key differences

  • Total power
    • 550 W
    • 400 W
  • Combined power (+3.3V)
    • 120 W
    • 180 W
  • Combined power (+12V)
    • 456 W
    • 348 W
  • Combined power (+5V)
    • 120 W
    • 180 W
  • Max output current (+3.3V)
    • 24 A
    • 28 A
  • Max output current (+12V)
    • 25 A
    • 18 A
  • Max output current (+5V)
    • 20 A
    • 30 A
  • Max output current (-12V)
    • 0.3 A
    • 0.5 A

Side by side

Differences highlightedShow differences only
34 specifications
A

FSP

ATX-550PNR power supply unit

Model ATX-550PNR

View product
B

FSP

TX-400PAF power supply unit

Model TX-400PAF

View product
Power8 differ
Total powerDiffers550 W400 W
Combined power (+3.3V)Differs120 W180 W
Combined power (+12V)Differs456 W348 W
Combined power (+5V)Differs120 W180 W
Max output current (+3.3V)Differs24 A28 A
Max output current (+12V)Differs25 A18 A
Max output current (+5V)Differs20 A30 A
Max output current (-12V)Differs0.3 A0.5 A
Max output current (+5Vsb)Known for one2.5 A
Ports & interfaces2 differ
Number of SATA power connectorsDiffers42
Peripheral (Molex) power connectors (4-pin)Differs56
PCI Express power connectors (6+2 pin)Known for one1
CPU power connector (4+4 pin)Known for oneYes
CPU P4 connector (4-pin)Known for one1
ATX power connector (20+4 pin)Known for oneYes
Design2 differ
Product colourDiffersAluminiumGrey
Fan diameterDiffers12 cm8 cm
Weight & dimensions2 differ
WidthDiffers150 mm140 mm
HeightDiffers140 mm150 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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