SKU: 36319057139

SeaSonic 400W Active PFC F0 1U PSU (SS-400H1U)

Sale price$158.35 Regular price$175.95
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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

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Description

SeaSonic 400W Active PFC F0 1U PSU (SS-400H1U)Features: Specification compliance: Intel EPS12V Forward converter circuit High efficiency and reliability for industrial level Easy swap connector design High reliability ball bearing fan Low ripple & noise Smart & Silent Fan Control (S2FC) Zero minimum load on 3. 3V rail Short circuit protection on all outputs Over voltage protection Over power protection 100% hi pot test 100% burn in, high temperature cycled on off PFC harmonics compliance: IEC1000

Features:
- Specification compliance: Intel EPS12V
- Forward converter circuit
- High efficiency and reliability for industrial level
- Easy swap connector design
- High reliability ball bearing fan
- Low ripple & noise
- Smart & Silent Fan Control (S2FC)
- Zero minimum load on 3.3V rail
- Short circuit protection on all outputs
- Over voltage protection
- Over power protection
- 100% hi-pot test
- 100% burn in, high temperature cycled on/off
- PFC harmonics compliance: IEC1000-3-2 /EN61000-3-2 standards

Dimension: L235 x W100 x H40mm (9.3 x 3.9 x 1.6 )

Fan type: 38 x 38mm

Electrical Specifications:
- Input frequency: 50 / 60 Hz
- Inrush current, cold start: 100A max.
- Efficiency, 220-240VAC, full load: 83% typical
- Efficiency, 100-120VAC, full load: 80% typical
- Dielectric withstand, input to frame/ ground: 1800VAC, 1sec.
- Dielectric withstand, input to output: 1800VAC, 1sec.
- Line regulation: +/-1% typical
- Load regulation: +/-5% typical
- Cross regulation: +/-5% typical
- Ripple / noise: 1%
- MTBF, full load: >100K hours (Excluding the DC fan)
- Power Factor Correction: Active PFC 99% typical
Safety: CUL, TUV, CB, CCC, BSMI
EMC: CE, FCC, C-tick

Package contents:

1x SeaSonic 400W Active PFC F0 1U PSU (SS-400H1U)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 36319057139

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4.2 ★★★★★
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K
Verified Purchase
Kraig Cash
Massapequa, US
★★★★★ 5
Top notch
Size: 300A Fuse Holder
Very good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
A
Verified Purchase
Awesome works just like they said it does.
Phoenix, US
★★★★★ 5
It’s good
Size: 300A Fuse Holder
It does it’s job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
A
Verified Purchase
Anthony S
Fort Morgan, US
★★★★★ 4
Cover too loose.
Size: 300A Fuse Holder
Nice looking, decent quality, versatile for different gauges. My only complaint with this holder is the cover doesn’t stay on very well, bought 3, and all 3 pop off easily, you will need to zip tie on.
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Reviewed in the United States on January 12, 2026
K
Verified Purchase
Kurtiss s.
Grantham, US
★★★★★ 5
Works as it should.
Size: 300A Fuse Holder
I’ve had several of these in my build for over a year now. Zero issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
C
Verified Purchase
Clint
Charlottesville, US
★★★★★ 5
Good brand
Size: 300A Fuse Holder
Good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025

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