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SeaSonic USA > 
Item#: N82E16817151094

SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

  • ATX12V V2.3 / EPS 12V V2.91
  • 80 PLUS BRONZE Certified
  • 100 - 240 V 50/60 Hz
  • +3.3V@24A, +5V@24A, +12V@40A, -12V@0.8A, +5VSB@2.5A

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This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
IronEgg
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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  • Warranty & Returns
  • Reviews

Learn more about the SeaSonic USA S12II 520 Bronze

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Customer Reviews of the SeaSonic USA S12II 520 Bronze

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  • TATE H.
  • 8/26/2015 11:54:12 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsWorks great!

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Works perfectly and fit well in my mid atx case. Good quality power supply and works well with my gtx 960. Shipping was fast.

Cons: none as of now

Other Thoughts: wish it didnt have floppy drive power cables but oh well

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  • michael h.
  • 8/23/2015 2:19:38 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsA+

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: what is there to say? i ordered, it shipped, i received and i installed. it was easy to do.
i am not an "inside pc" computer person, but i have done all of my own work on them over the years. this was simple. unscrew the old, take out, screw in the new and power on.

great product so far.
bought november 2014 and running strong.

Cons: none so far. i hope like everyone that it holds up for a good while. i havent really used this pc much so even though it is close to a year old, it hasnt had much run time on it. but, i also don't run this pc hard, even though it is a gaming pc. im a light gamer basically.

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  • Vince M.
  • 8/12/2015 5:17:29 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsDOA

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: If not working out of the box is a pro

Cons: Dead on arrival. Will never order from seasonic again.

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

  • Anonymous
  • 7/28/2015 11:04:03 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNo Problems

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Nice PSU. As of this review it has run for six months 24/7, no problems. SeaSonic is on my short list of PSU brands worth looking at (and it is a very short list).

Cons: None

Other Thoughts: I did the math and the electricity savings of getting a higher efficiency PSU than this were perfectly matched by the price increase.

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  • Ken D.
  • 7/6/2015 8:29:43 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsInnitial Impression's

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Well I am glad it turned on and everything worked. I have a dvd burner, fan controller, ssd,and 3 hdd's. It is an fm2 micro-atx board with a 100 watt A10 5800k. Powers everything and could even power a gpu if I get one. Nice finish matte black, seems to be smaller or less depth into the case which is a nzxt tempest 210 Cables are clean black and they are easy to work with, no rainbow spaghetti. I used every cable but the pci-e. so no major deal not being modular.

Cons: Atx 4 pin would not reach behind mobo for connecting, had to leave it showing in front. Air from psu fan makes noise maybe slightly quieter than my old enermax naxn 450watt.

Other Thoughts: If you have a big case or mid tower case you may need an extender for your atx 12 volt 4 or 8 pin for a clean look. Since this is not modular a person wouldn't expect to have cable tidiness to a severe degree. I expected my system to be quieter, no such luck. All 7 fans in my system are geared to be quiet including the one in this psu, but together they all make some noise. I guess I'll live with it. Maybe next time buy a fanless psu and see if that helps.

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  • Brennan T.
  • 2/20/2015 6:14:48 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat little power supply

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Almost four years after buying this power supply and it's still going strong. I haven't really put too much strain on it over the years, though.

Cons: I could only say the Bronze certification and it being not modular, but you know that when you purchase it.

Other Thoughts: This power supply has been in two builds, my server when it could still fit in an ITX case and more recently an HTPC build. No hang ups so far! I expect it will last another four years.

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  • David G.
  • 1/29/2015 12:58:50 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsSeasonic Quality

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Proven Seasonic quality, excellent reviews, great price, nice and short (140mm). strong enough to run a mid-high-end graphics card (one 6-pin and one 8-pin PCIe leads).

Cons: None

Other Thoughts: Built to last, with premium capacitors, large wires and good connectors.

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  • Michael R.
  • 1/3/2015 4:58:37 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAwesome Power Supply

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Its very quiet, only time i hear it is when i'm booting up my computer.
Very lightweight.

Cons: Lots and lots of cables no so good for a medium tower but its nothing to bad cause i'm a function over form kinda guy.

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  • christopher b.
  • 1/1/2015 2:23:54 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGREAT PSU

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Runs Quietly, stays cool even while playing BF4, have not had ONE ISSUE with the PSU, before i ordered a used (yea lesson learned) Corsair GS700 from a mazon thru a third party and the fan wouldnt even come on, so it would get hot and shut down the pc.. I hadnt heard of Seasonic before, cause I have never actually upgraded a PSU before.. but after reading reviews i knew it would be a great decision.. so, im VERY happy with this power supply.. and would HIGHLY recommend it to you guys

Cons: not any that I have found yet

Other Thoughts: Im very happy with this PSU if your wondering if you should get this PSU, get it.. for the price I paid $60 u cant beat it, seriously.. i know i might sound like i work for SeaSonic at this point, but im just very excited cause the psu i had before Blew, and the replacements fan wouldnt even come on, so i was starting to think it was my board that was messed up.. this psu has ran like a dream

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  • Skyler H.
  • 11/30/2014 2:23:42 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsRELIABLE !

This review is from: SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: In almost every build I've done for others and all my own builds I use SeaSonic !
Never ever let me down !

Cons: NONE NADA NILL !

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Item#: N82E16817151094
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