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SeaSonic USA > 
Item#: N82E16817151074

SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

  • ATX12V V2.3/EPS12V
  • 80 PLUS BRONZE Certified
  • 100 - 240 V
  • +3.3V@20A, +5V@20A, +12V1@17A, +12V2@17A, -12V@0.8A, +5VSB@2.5A
BUY WITH CONFIDENCE
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.
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 S12II 430B

Model

Brand
SeaSonic
Model
S12II 430B

Spec

Type
ATX12V V2.3/EPS12V
Maximum Power
430W
Fans
1
PFC
Active
Main Connector
20+4Pin
+12V Rails
2
PCI-Express Connector
1 x 6-Pin, 1 x 6+2-Pin
SATA Power Connector
6
Haswell Support
No
Energy-Efficient
80 PLUS BRONZE Certified
Over Voltage Protection
Yes
Input Voltage
100 - 240 V
Output
+3.3V@20A, +5V@20A, +12V1@17A, +12V2@17A, -12V@0.8A, +5VSB@2.5A
MTBF
>100,000 Hours
Dimensions
5.9" x 5.5" x 3.4"

Features

Features
Over Power Protection (OPP)
Short Circuit Protection (SCP)

Manufacturer Warranty

Parts
5 years limited
Labor
5 years limited

Quick Info

Warranty

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


Customer Reviews of the SeaSonic USA S12II 430B

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Showing 55 of 55 reviews - Clear Filters

  • Christopher P.
  • 8/26/2014 7:15:44 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggs2 failures inside of 2 weeks

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Sturdy. Looks nice.

Cons: Had 2 of them fail inside of 2 days -- the second one didn't last 2 hours. Brand new PSUs powering brand new hardware. And it was Ivy-bridge, not Haswell.

Other Thoughts: Seasonic is a renowned brand in the PSU industry that are recognized as being head-and-shoulders above their similarly priced competitors. I've gone through 12-15 SS-300/350/400ET for all of the new systems and PSU replacements here at my office. Not a single failure -- some are still going strong after years. Really not sure why these 2 particular units failed, they were both S12II 430Bs b/c Newegg didn't have the SS-300ETs in stock at the time.

They were powering a fairly typical run-of-the-mill business system(s) (19 systems like this total):
ASUS P8H77-M/CSM or P8Q77-M/CSM
Intel Core-i5 3570K
8GB (2x4) Corsair Dominator Platinum 1600 1.5V
Samsung 840PRO 128GB
Western DIgital Black 500GB
Plextor PX-891SAW or PX-L890SA
Fractal Design Core 1000

Did you find this review helpful? Yes No

  • Anonymous
  • 6/27/2014 12:28:14 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

4 out of 5 eggs

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: -decent sleeving
-great performance
-most power cables are nice and long

Cons: -short 8-pin connector (and 4 pin if you use that instead)
-non-modular (you should know this going into the purchase)

Other Thoughts: Great power supply to work with. Sleeving wasn't extremely stiff so it was easy to get cables to bend to your will. The 8-pin and 4-pin CPU cables are fairly short, unfortunately. I was doing a build in my friend's Phantom 410 and it can barely reach the 8-pin on the AsRock Z97 Pro4 (8-pin on this is right above the top left LGA1150 heatsink mounting hole). Also doesn't come with zip ties but that's not really something to complain about.

Did you find this review helpful? Yes No

  • Caleb V.
  • 9/17/2013 5:01:17 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsNot what I was hoping for.

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Looked nice, had good reviews.

Cons: Failed after two months

Manufacturer Response:

Hi, very sorry for the failed unit, have you contacted Seasonic USA for RMA service? Is everything now ok? Please send mail to newegg@seasonicus.com thank you.

2 out of 5 people found this review helpful. Did you? Yes No

  • JACOB D.
  • 8/6/2013 12:25:22 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsBest PSU Ever!

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Very low "Ripple" rate, excellent A\C - D\C conversion.

Extremely tight regulation on the 12V - rails

Cons: Fan is not the best in the market, like Sanyko Denki

The fan Makes a "Tapping" noise much like a person's finger-nail tapping a wooden desk

I would attribute this to the possibility of a poor and inadequate lubrication of the ball bearings with-in the fan.

This only occurred after 48 hours of constant use of the PC.

Specifications:

i5 3470-S

Saber-tooth Z77

Corsair Venegance 1600MHZ DDR-3 memory/ram

Asus Nvidia 520 GT "Silent" GPU (uses passive heat-sink)

Other Thoughts: An over all decently performing PSU, compared to the competition!

Perhaps even more so, than the supposed "OEM" market that *MOST* OEM'ed branded companies use sea-sonic components with i.e. (corsair, silver-stone, etc)

Think of it like having an Jaguar,Porsche or any other "hot-rod super-car" engine, licensed to be made in other cars, only with those specific vendors making their own tweaks and modifications done by slightly less brilliant engineers .

meaning that it will work, and *MOST* End-users won't see any difference , except for the most seasoned Enthusiast who brings out their equipment , not just volt-o-meters/kill-a-watt's but sine wave frequency monitors/other snazzy equipement as well

it's basically like the difference between using a "stock" cpu cooler and using a water-block.

Get's the job done, but has no fancy bells or whistles and also, *Theoretically* your computer may last a bit longer if both a "sea-sonic" PSU and a water-block was used in your system, specifically for the reasons of cleaner electric current/conversion (PSU) and cooler Temperatures (Water-block)

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

  • John D.
  • 7/27/2013 9:42:15 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Quality. Whisper Quiet

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Heavy, Long cables, Whisper Quiet, has all the connections, 120mm fan. Excellent voltage and amperage, clean power.

Cons: None

Other Thoughts: Great power supply for non gaming rig. I suppose it could handle an entry level to mid level card. I use this in all my business pc's because of the stability, reliability, and silence. The ladies really appreciate no annoying humming or buzzing sounds. They think I am a magician. I use them in the real dirty environments as well and they just keep on going.

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

  • Russ N.
  • 5/5/2013 4:26:14 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Powered my Zambezi build without issue

Cons: None

Other Thoughts: Used this PSU in a build for a recording studio. Tested out fine and works great. Fans are quiet.

Did you find this review helpful? Yes No

  • Jason M.
  • 2/26/2013 9:49:20 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsBad PSU

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Cheap

Cons: Broke after 3 days of use, just after the RMA period since PC was built for someone else.

Did you find this review helpful? Yes No

  • James N.
  • 2/19/2013 3:27:50 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsBest a guy could ask for!

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: quiet as a mouse, nice looking PSU with all cords wrapped with a heat resistant sleeving.

Cons: ...it wasnt free??

Other Thoughts: my first PSU change went as easily as i could have hoped. fit perfectly as it should have, and replaced a brand new OEM HP PSU that was noisy and didnt give me the power i needed for my HD7770. This baby can handle all that and more and i haven't even heard a peep from it. very excited to see this PC coming together so nicely. all the positive reviews are not unfounded. fast shipping great product +++!
My PC specs:
Jasmine MSI MS-7778
AMD A10-5700 Quad core
10 GB DDR3 ram
ATI Radeon HD7770
2TB HDD
Seasonic 430W S12 II Bronze

Did you find this review helpful? Yes No

  • Francis L.
  • 1/7/2013 11:40:32 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat buy!

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Price and reputation.

Cons: None so far.

Other Thoughts: I bought this SeaSonic to support a video card upgrade with Windows 7. Four months later, all is well. Extremely quiet; and without power issues.
I'm not a gamer, but the few games that I enjoy, function as well as I could want.

Newegg's selection, service and shipping has been better than most. A wise consumer might ponder what they are buying and make allowances prior to shipping.
I would suggest that Newegg get real about "protective shipping". Free shipping on some items is of no benefit if the item arrives damaged. I remain a Newegg customer regardless; but I am willing to pay for my items to arrive safely.

Did you find this review helpful? Yes No

  • James T.
  • 1/4/2013 1:07:33 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsFailed

This review is from: SeaSonic S12II 430B 430W ATX12V V2.3/EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply

Pros: Looks nice in the box.

Cons: Failed, very poor RMA procedure

Other Thoughts: This unit failed after 90days of use, the online RMA form does not allow RMA of all products. Multiple phone calls/emails to this point have been ignored. Perhaps it's due to the holidays, regardless unacceptable. Back to Antec we go.

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

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