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SeaSonic 400W Active PFC F0 2U Power Supply (SS-400L2U)

SeaSonic 400W Active PFC F0 2U Power Supply (SS-400L2U)
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  • Product Name:
    SeaSonic 400W Active PFC F0 2U Power Supply (SS-400L2U)
  • Model Number:
  • Brand:
  • Manufacturer Warranty:
    5 Year


SeaSonic 400W Active PFC F0 2U Power Supply (SS-400L2U)

The Seasonic industrial power supplies with 80 PLUS® Gold efficiency rating achieve up to 90 % efficiency at 50 % load at 115 V AC input. These L2U models are protected against short circuit, over voltage and over power surges and they meet important EMI, EMC and safety standards. These are highly reliable products that are customizable with fully modular cables and are quiet due to the built-in fan control.


  • Intel EPS 12 V compliant

  • 80 PLUS® Gold certification (up to 90 % efficiency at 115 V AC and 50 % load)

  • DC to DC converter design

  • High efficiency and reliability

  • Fully modular cables

  • 60 mm double ball bearing fan

  • Seasonic S3FC (including Fanless mode)

  • Short circuit protection on all outputs

  • Over voltage protection

  • Over power protection

  • 100 % HiPot test

  • 100 % Burn-in, high temperature cycled on/off

DC Outputs
+3.3 V+5 V+12 V Combined-12 V+5 VsbTotal continuous powerInput Type
20 A20 A32 A0.3 A2.5 A400 WFull range
100 W (max.)384 W3.6 W12.5 W
Input frequency50 / 60 Hz
Efficiency (at normal input voltage)> 87 %
Line regulation± 1 % (typical)
Load regulation± 5 % (typical)
Cross regulation± 5 % (typical)
MTBF, full load @ 25 °C ambient (excl. DC fan)> 100,000 hours
Active Power Factor Correction99 % (typical)


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