SKU: 94340081893

SeaSonic 400W Active PFC F3 1U PSU (SS-400L1U)

$160.20 $178.00
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

SeaSonic 400W Active PFC F3 1U PSU (SS-400L1U)Switch Mode Power Supply Intel EPS 12V SS 400 500L1U Active PFC Features: Specification compliance: Intel EPS 12V DC to DC converter design High efficiency and reliability Low THD Low ripple & noise Super low noise fan control Short circuit protection on all outputs Over voltage protection Over power protection 100% hi pot test 100% burn in, high temperature cycled on off DC Outputs: Model: SS 400L1U Active PFC DC Outputs: +3. 3V +5V +12V(Combined)

Switch Mode Power Supply - Intel EPS 12V- SS-400/500L1U Active PFC

Features:

Specification compliance: Intel EPS 12V

DC to DC converter design

High efficiency and reliability

Low THD

Low ripple & noise

Super low noise fan control

Short circuit protection on all outputs

Over voltage protection

Over power protection

100% hi-pot test

100% burn in, high temperature cycled on/off

DC Outputs:

Model: SS-400L1U Active PFC

DC Outputs:

+3.3V

+5V

+12V(Combined)

-12V

+5Vsb

20A

20A

32A

0.3A

2.5A

80W*

384W

3.6W

12.5W
(Remarks: * Combined +3.3VDC & +5V DC maximum power)

Total Power: 400W

Input Type: Full range

Electrical Specifications:

Input frequency: 47/63 Hz

Inrush current, cold start: 100A max.

Efficiency, at normal input voltage: > 87%

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

Certifications:

Satety: CUL, UV, CB

EMC: CE, Fcc, C-Tick

Specifications:

Dimension: L235 x W100 x H40mm

Connectors: Customized modular cables

Package contents:

1x SeaSonic 400W Active PFC F3 1U PSU (SS-400L1U)

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: 94340081893

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4.4 ★★★★★
Based on 11 reviews
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Product Reviews
P
Verified Purchase
Phanessa Hernandez
Carnegie, US
★★★★★ 3
It’s alright.
Size: Queen, Number of Items: 2
Not bad pillows. They are comfortable but mine came with an odd odor, kind of mildewy smell to it. Had to spray it down to tolerate sleeping on it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
A
Verified Purchase
ALEXANDRA W.
Whiting, US
★★★★★ 5
Nice pillows
Size: Queen, Number of Items: 2
Have had these a few months and so far really like them! They don’t really feel very cooling, but I also run VERY HOT so it could just be me. The foam holds up well and hasn’t flattened like others I’ve tried. They come very compacted- I was shocked how much they expanded!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
B
Verified Purchase
Balous belote
Cuba, US
★★★★★ 5
Mr.b
Size: Standard, Number of Items: 2
The pillows are cool and comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
N
Verified Purchase
Nick
Birmingham, US
★★★★★ 5
Amazing - Stop Scrolling and Buy This Pillow
Size: Queen (Pack of 1), Color: White
I have been an Amazon customer ever since the very beginning, and this is my first review. Not because I haven’t purchased tons of amazing things (and a few bad ones), just never felt the need. However, I researched pillows for longer than I care to admit, and decided on this one. I’ve had it for about six months and absolutely love it. No lie, I genuinely look forward lying my big head on it after a long day. I am a side sleeper, but flip flop all around through the night and it’s great in every position. Pros: Stays nice and cool, which is soothing regardless of the time of year. Has a sort of quilted textured pattern on the zip up cover, gives it a luxury feel, that breaths nicely even when a pillow case is added. The fill is fully adjustable to your preference. I knew it came with extra filling but was worried it would not be enough. Wrong. It was very full and I ended up taking some out until it was perfect. It comes vacuum sealed and suggests it may take some time to fully take shape. However, I found it to be about 90% almost instantly and was sleeping on it a couple hours later. There was no unpleasant scent sometimes associated with memory foam items. The foam itself is very nice, a mix of what appears to be shredded and cotton candy cloud like. Very brilliant idea, as it is somehow supportive, soft and firm all at once. The affordability of this pillow compared to some of the others in this category can’t be overstated. Oh, and the packaging was very thoughtfully and securely done. If you are like me, an over thinker, I would suggest just taking this for a spin. It’s amazing. I’m not a bot, or working for the company. I’m just truly satisfied, love this pillow, and have been sleeping great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
K
Verified Purchase
k25
Carnegie, US
★★★★★ 5
It's the perfect pillow!
Size: Queen (Pack of 1), Color: White
I purchased this pillow specifically for its customizable fill feature, which allows you to add or remove stuffing to suit your personal comfort needs. Due to the unique curvature of my cervical spine—forward at the neck rather than backward—I require a soft, semi-flat pillow rather than one that is thick or firm. Additionally, I often experience ear discomfort by morning, so a gentler surface is essential. Upon adjusting the fill, I was pleasantly surprised by the generous amount of stuffing included. There was enough to fill an additional pillowcase, and I estimate it could easily create four to five more pillows. The ability to modify the pillow’s firmness at any time is an outstanding feature that makes it adaptable for a wide range of preferences and sleep styles. This pillow has exceeded my expectations in both comfort and versatility. I highly recommend it to anyone seeking a personalized sleep experience.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026

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