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SeaSonic S12-600 600W ATX12V / EPS12V SLI Certified CrossFire Ready Active PFC Power Supply

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  • ATX12V / EPS12V
  • 100 - 240 V 50/60 Hz
  • +3.3V@30A, +5V@30A, +12V1@18A, +12V2@18A, -12V@0.8A, +5VSB@2A

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Developed for high-end dual GPU systems, the NVIDIA SLI and CrossFire ready SeaSonic S12-600 600W Power Supply delivers super high efficiency, meaning minimal waste heat. Cooling is provided by a 120 mm, ball-bearing fan that also features Smart & Silent fan control to balance noise and cooling. The Active PFC design increases efficiency and reduces power consumption, while ultra ventilation doubles the airflow and increases the lifespan, with half the RPM and noise. Use of high reliability Aluminum Electrolytic Capacitors and Forward Converter Circuit Design let the SeaSonic S12-600 provide stable output, reliability and efficiency. This enables you to run the power supply for extended durations, without worrying about cooling and performance.

There is nothing on the power supply that does not add functionality. No flashing LEDs, no unnecessary switches, nor glow when powered on. This is strictly an all-business PSU, designed to deliver maximum stable power across rock solid rails across the board. With its Universal AC Input, you can safely use it anywhere in the world. It comes with one Main connector (20 + 4 pin), one 12V (P4), one 12V (8pin), nine peripherals, six SATA, two Floppy, and two PCI-E connectors. It also sports two +12V rails (12V1, 12V2), which allow support for the most high-end of PC systems. This PSU offers remarkable performance in rail strength, efficiency and quietness, and will keep you powered up long past your own ability to stay awake!

  • newegg ATX12V Compatible Compatible with the ATX12V standard, the SeaSonic S12-600 power supply provides enhanced power stability to feed the latest generation of Intel and AMD processors as well as other system components.
  • newegg 600W Maximum Power A maximum power of 600W delivers safe, reliable output for high-end computer systems.
  • newegg Highly Efficient Delivering up to 85% efficiency, the SeaSonic S12-600 power supply saves energy and may reduce your monthly electric bill too!
  • newegg Black Cable Sleeving This PSU's power connector cables are wrapped in black sleeves to minimize clutter and optimize air flow inside your computer case.
  • newegg NVIDIA SLI Certified The SeaSonic S12-600 power supply has gone through a series of rigorous NVIDIA SLI certification tests for maximum system stability when building NVIDIA SLI PCs.

Learn more about the SeaSonic USA S12-600

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 0 day
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: more than 1 year
5/ 5

Pros: I've been running this Power Supply since 2005, and never had an issue. It's been running my system 24/7 since then, with maybe four days of total down time. SeaSonic will forever been my choice in PSU brands due to their longivity, durability, and stability under load.

I built my system to last, and to be near silent, and this PSU is surpassing my expectations. I honestly expected it to last maybe 5 years, but it's getting close to a decade now and it hasn't skipped a beat!

Cons: No modular design, but with stability, silence, and the quality/durability of this unit, who would want modular?

Other Thoughts: After purchasing it I started to find modular PSUs, but nothing with good reviews or feedback from others in the tech communities, SeaSonic's 600W S12 seemed to fit into my system plans of a long lasting and quiet PC build, even if it didn't offer the modular design. I'm glad I didn't get a modular PSU now, since it's going on 8 years 24 hours a day 7 days a week!

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5/ 5
Excellent
Did you find this review helpful?
Ownership: more than 1 year
5/ 5
Still going strong

Pros: Bought this in Sep. '05 and it's still going like the day I got it. I just blow the dust out from time to time.

Cons: There are no cons in Seasonic

Other Thoughts: I hope to come back in a few years and post another updated review.

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Ownership: less than 1 day
Verified Owner
1/ 5
Almost Worked!

Pros: Worked great for the whole 10 minutes it actually worked.

Cons: Failed in under 10 minutes.

Other Thoughts: This thing blasted out smoke and filled my whole room up with smoke before I was able to turn it off. Insane.

2 out of 4 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Works like a charm

Pros: Powers everything in my case flawlessly. Extremely quiet... I can't hear it at all over the other 9 fans in my case lol.

Cons: Not modular. Probably not enough power to SLI two 8800 GTX's.

Other Thoughts: eVGA 680i MoBo, 1x eVGA 8800 GTX, Core 2 Duo E6700, Soundblaster Audigy 2 ZS, 1 optical drive, 1 floppy drive, 4 HDD's, 5 case fans. Plenty of power.

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Ownership: more than 1 year
Verified Owner
5/ 5
update

Pros: Efficient, cool running and powerful. Trouble-free.

Cons: None.

Other Thoughts: Just an update. I've had my S12 up and running 24/7 for the last 14 months now. I've had absolutely ZERO problems since day one. I blow the dust out every once in a while but since the fans hardly have to work to keep it cool there's hardly any dust accumulation anyways. This really is an amazing power supply. It's totally worth the price to have this kind of piece of mind. As always Newegg is the best.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Best PS Ever!

Pros: Plenty of power, very quiet, plenty of connectors available

Cons: None.

Other Thoughts: I have AMD X2-4400+ system with 4x 320GB Seagate Hard Drives, 2x 7800GT on SLI, 1x sound card, 1x Wireless card, 2x DVD drives, 1x 3.5" Floppy drive and my system runs nice and stable with this power supply. Going to buy Seasonic power supply in the future...

1 out of 1 people found this review helpful. Did you?
Ownership: 1 month to 1 year
5/ 5
Great PSU

Pros: Great looking PSU. Lots of connectors neatly wrapped to make them easy to route through the case. Very quiet and cool.

Cons: Only thing I would add is a cable to plug into a motherboard fan slot so that the PSU fan speed could be monitored.

Other Thoughts: Newegg as usual shipped fast.

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