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SeaSonic USA > 
Item#: N82E16817151130

SeaSonic SS-400L2U 400W Single 2U Server Power Supply - 80PLUS Gold - OEM

  • 400W Single
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Learn more about the SeaSonic USA SS-400L2U

Model

Brand
SeaSonic
Model
SS-400L2U

SPEC

Type
EPS12V
Single/Redundant
Single
Maximum Power
400W
Output
+3.3V@20A, +5V@20A, +12V@32A, -12V@0.3A, +5Vsb@2.5A
Input Frequency Range
47 - 63 Hz
MTBF
>100,000 Hours
Efficiency
> 87%
Protection
Short circuit protection on all outputs
Over voltage protection
Over power protection
Dimensions
L245 x W100 x H70mm (9.6" x 3.9" x 2.8")

Features

Features
Switch Mode Power Supply Intel EPS 12V

Connectors: Customized modular cables

Inrush current, cold start: 100A max.

Line regulation: +/-1% typical

Load regulation: +/-5% typical

Cross regulation: +/-5% typical

Ripple / noise: 1%

Power Factor Correction: Active PFC 99% typical

DC to DC converter design

High efficiency and reliability

Low THD

Low ripple & noise

Super low noise fan control

100% hi-pot test

100% burn in, high temperature cycled on/off.

Quick Info

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years


Customer Reviews of the SeaSonic USA SS-400L2U

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  • Joshua K.
  • 8/2/2014 12:07:55 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsSeaSonic SS-400L2U

Pros: Allows electrons to flow.

Cons: See "Other thoughts".

Other Thoughts: *The cooling fan is not the best by any means... I'd removed the bearing sticker and gave it a dusting of dry graphite... Things are much nicer now. If you can, replace the stock 60mm fan with a high end fan and you'll be happier.
*Cable harness to PSU connections are VERY tight. There were times I thought there was going to be damage plugging and unplugging connectors.
*Modular cable harness is nice and allowed for easier customization to suit my needs.

Did you find this review helpful? Yes No

  • Dae K.
  • 7/20/2014 8:04:43 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsTrue to Seasonic capabilities

Pros: Looks OEM
Lots of screws
Clear descriptions and manual
Practically a fanless PSU at low loads

Cons: PSU screw holes are not really standardized like the ATX power supplies with respective cases. Some holes exist, some holes don't; I guess one screw is all you need to secure the thing into place, but it feels uneasy not using all the screws the PSU includes in its materials.

Other Thoughts: The PSU fits nicely in Norco RPC-450. The frontal support bracket did not fit with this case, but PSU stays in place with only 2 screws in place. The modular plugs were confusing at first, but as long as the user plugs in all the modular cables on the PSU first (before plugging the 20-pin connector into the motherboard) everything should be OK.

Did you find this review helpful? Yes No

  • Eric N.
  • 3/24/2014 4:55:20 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat PSU

Pros: -Very efficient
-Fit perfectly in my Norco 2212 case
-Plenty of connectors (see other thoughts)
-It's Seasonic, so I know it'll last forever

Cons: Not really any

Other Thoughts: I looked and looked and looked for the connector count before purchasing this, and I could not find it anywhere. In case anybody else is interested, here it is:
1 24pin ATX connector
1 8pin EPS12V connector
1 4+4pin ATX12V/EPS12V connector
5 4pin molex HDD/ODD connectors
4 SATA connectors
1 4pin floppy connector
1 6pin PCI-E connector

3 out of 3 people found this review helpful. Did you? Yes No

  • James S.
  • 9/22/2013 8:45:39 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGood for 2U rack mount systems

Pros: Quiet
Gold
works great with the Norco RPC-2008
price

Cons: Would be nice if there was a platinum model

Other Thoughts: This works very well for any 2U rack unit. The wattage is perfect for 8 drives in my case and probably could power more. The only downside was that I wanted a platinum data center but have not been able to find any 2U power supplies for a reasonable price.

2 out of 2 people found this review helpful. Did you? Yes No

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Home > 
Computer Hardware > 
Servers & Workstations > 
Server Power Supplies > 
SeaSonic USA > 
Item#: N82E16817151130
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