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SeaSonic USA > 
Item#: N82E16817151136

SeaSonic S12G S12G-550 550W ATX12V / EPS12V 80 PLUS GOLD Certified Active PFC Power Supply

  • ATX12V / EPS12V
  • 80 PLUS GOLD Certified
  • 100 - 240 V 50/60 Hz
  • +3.3V@20A, +5V@20A, +12V@45A, -12V@0.3A, +5Vsb@2.5A
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BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the SeaSonic USA S12G-550

Quick Info

Warranty

  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years


Customer Reviews of the SeaSonic USA S12G-550

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Showing 3 of 3 reviews - Clear Filters

  • Louis D.
  • 7/7/2014 3:39:38 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsExcellent power supply.

This review is from: SeaSonic S12G S12G-550 550W ATX12V / EPS12V 80 PLUS GOLD Certified Active PFC Power Supply

Pros: Good price, works well, and quite. I have no problems at all.

Cons: None I love it!

Other Thoughts: If I need another power supply I will make sure it is a SeaSonic. I am very impressed with this product. I would recommend it to everyone.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 12/28/2013 12:44:55 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsNot impressed

This review is from: SeaSonic S12G S12G-550 550W ATX12V / EPS12V 80 PLUS GOLD Certified Active PFC Power Supply

Pros: Efficient

Not deep

Cons: Loud. The fan, even at idle, makes a scratchy/buzzy noise that can be heard across the room

The flat cables are difficult to route, and difficult to rotate

Other Thoughts: Based on reviews, the fan doesn't even kick up to 500RPM until there is a hefty load on it, but it is much louder than my last several PSUs, all of which have been either S12, S12II, or rebranded S12II platform PSUs. For the cost, I expected much better noise characteristics, and not to have a nightmare of cable routing..

Manufacturer Response:

Hi, I am sorry to read about your experience with the fan noise. Please note the S12G series have a more conservative fan curve meaning it will be kick in earlier to keep the PSU cool. If you wish to have less noise from the fan, then please have a look at our X or P series where the fan control curve is more aggressive.

As for the cabling, it is possible the cables when cold, will be stiffer. Please use a hair dryer and warm up the cables before the installation process. This should help your system build process. Thank you.

4 out of 6 people found this review helpful. Did you? Yes No

  • Danny L.
  • 10/26/2013 2:56:31 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGood

This review is from: SeaSonic S12G S12G-550 550W ATX12V / EPS12V 80 PLUS GOLD Certified Active PFC Power Supply

Pros: -Just the right amount of cables that I need for my rig. More Sata connectors than molex, unlike the traditional PSU.
-Quiet. No loud startup noise unlike the AX860i, which I switched over from.

Cons: -The fan kicked in and was quite audible when I was running the Heaven GPU benchmark. But at least know it works; I couldn't hear it any other time unless I put my ear right next to it.

Other Thoughts: I normally don't buy non modular PSU's but I studied the connectors before I purchased it and concluded there would be minimal excess cabling, less than or equal to what I would have had with a modular PSU. Notice that there are extra cables for the 650w and above versions of this PSU.

4 out of 4 people found this review helpful. Did you? Yes No

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Home > 
Computer Hardware > 
Power Supplies > 
Power Supplies > 
SeaSonic USA > 
Item#: N82E16817151136
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