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SeaSonic M12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 SLI Ready 80 PLUS BRONZE Certified Full Modular Active PFC Power Supply

Ships from United States.

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  • ATX12V V2.3 / EPS 12V V2.91
  • Full Modular
  • 80 PLUS BRONZE Certified
  • 100 - 240V 50/60 Hz
  • +3.3V@24A, +5V@24A, +12V@48A, -12V@0.8A, +5VSB@2.5A

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

SeaSonic Full Modular Active PFC Power Supply

SeaSonic Electronics launches the M12II "Bronze" Series, the new and upgraded version of the M12II Series in response to the growing demand and anticipation for more energy-efficient products. The M12II Bronze Series inherits the same output and Wattage options as well as the superb quality and ultimate silence from the M12II Series. The M12II Bronze Series, available in 520W and 620W, offers buyers with a mid-range power output solution with cable management to meet their exact system needs - cable management is now made easier than ever.


Features

SeaSonic Power Supply

The M12II Bronze Series achieves the 80 PLUS® Bronze standard of at least 82%, 85% and 82% efficiency under 20%, 50% and 100% operating loads respectively. Combined with Active Power Factor correction (Active PFC), the M12II Bronze reduces energy waste, boosts power efficiency and more importantly, helps the users to save energy and reduce electricity bill.


SeaSonic Power Supply

While upgrading in efficiency, the M12II Bronze Series maintains the advanced designs and quality components from the past M12II line. Such designs and components including Double Forward Converter design, Smart and Silent Fan Control and highly reliable Japanese brand capacitor also boost the overall performance in stability and silence. The M12II Bronze Series is available in standard ATX Form Factor and in Wattages that are beneficial for a PC system. With the all-in-one cabling design and EPS connectors, the M12II Bronze Series is geared to support IPC and server systems and as well, both 6P and 8P PCI-E connector for latest and high end dual graphic cards.


SeaSonic Power Supply

The M12II Bronze Series is made reliable by featuring safety regulations such as Over Voltage Protection (OVP), Short Circuit Protection (SCP), and Over Power Protection (OPP). Major safety and EMC directives and as well, the environmental certifications RoHS and WEEE increase safety and usage reliability for the users.


Specifications

  1. DC to DC Converter Design
  2. Highly Reliable 221°F (105°C) Aluminum Electrolytic Capacitors
  3. Ample +12V Outputs
  4. Active Power Factor Correction (up to 99%)
  5. Smart & Silent Fan Control (S²FC)
  6. 120mm Ball Bearing Cooling Fan
  7. Multi-GPU Technology Support
  8. Fully Modular Cables
  9. Universal AC Input (Full Range)
  10. Ultra Ventilation (Honeycomb Structure)
  11. Gold Plated High Current Terminals(MB, CPU, and PCle)
  12. 5-Year Warranty

What's in the Box

SeaSonic Power Supply

Learn more about the SeaSonic USA M12II 620 Bronze

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 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: 1 month to 1 year
Verified Owner
4/ 5
It works 2/1/2020 4:24:54 PM

Pros: Good price
full modular

Cons: Didn't like how the connector pins are arranged

Overall Review: Give it a shot

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Seasonic 10/10 12/21/2019 11:42:25 AM

Pros: -Great price point

-High Quality Cables

-Fantastic packaging

Overall Review: Seasonic really knows how to sell a PSU in style. I bought this for a budget build and when it came in I was blown away. I instantly knew I needed to switch my own PSU to Seasonic's 1000 Watt version in my personal rig.

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
works like a cadillac 12/19/2019 2:53:45 PM

Overall Review: great

0 out of 1 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Works as advertised 12/8/2019 4:45:27 PM

Pros: -100% modular
-Comes with all necessary cords (duh)

Cons: -Honestly would've liked some molex to 3/4 pin adapters for fans, but whatever
-Terrible alarm clock, runs too quietly

Overall Review: In all seriousness though, this thing is great. Best power supply for the cash I've had in years. Building with it was painless.

Did you find this review helpful?
Anonymous
Ownership: more than 1 year
Verified Owner
2/ 5
DOA 10/15/2019 8:44:55 AM

Overall Review: It arrived missing a wire from the 24-pin connector - completely missing from the ribbon entirely. This was, of course, difficult to notice until after everything was assembled.

I returned it to newegg. I had a pleasant experience with CS, and I'm sure mine was just a bad one.

0 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Hello,

Thank you for your comment and sorry for this issue. Please note that the ATX 24 pins cable, as per current ATX specifications got an empty pin. This is normal and it's an heritage from the past and the -5V rail that is not needed anymore. For compliances, the pin remains empty. So if the issue was only this, then most likely your PSU is in fact working properly. Please do not hesitate to contact us in the future if you need any assistance or have any questions: newegg@seasonic.com You can also refer to our FAQ: https://knowledge.seasonic.com/article/27-why-is-there-an-empty-pin-in-the-main-power-connector-of-the-power-supply

Once again, thank you for your comment !
Best Regards,
Ownership: more than 1 year
Verified Owner
5/ 5
Still going strong since 2013! 10/12/2019 11:24:14 AM

Pros: I have had no issues in 6 years! Transferred it over to my second build with a Ryzen 3700X and 1080ti. It was a smooth transition. The black cable sleeves are great!

Overall Review: 620W is more than enough. It's powering a 3700X, 1080ti, 2 SSDs, 1 mechanical hard drive, 6 fans, and even a blu-ray drive...yup I actually have a disc drive in my computer in 2019. Whatever...it comes in handy once a year :)

1 out of 1 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
4/ 5
Works As Advertised 10/5/2019 9:26:28 AM

Pros: Hasn't fried my PC. It can handle pretty high end performance stuff

Cons: I'm pretty sure it's drawing a ton of power from my house and is going to cost me some money in the form of utilities

Overall Review: Works, should be fine if you're getting a PSU on a budget

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
1/ 5
Never powered on 9/27/2019 1:00:38 AM

Pros: None

Cons: Didnt work..

Overall Review: First time seasonic, disappointing I knew I should have gone with EVGA or Corsair. Had to go through the trouble of returning it then buying another PSU which was an Evga one and those never disappoints. Don't buy this junk.

0 out of 2 people found this review helpful. Did you?
Manufacturer Response:
Hello Razia,

Thank you for your comment and sorry for this issue. We do our best to avoid such situation and we are deeply for the inconvenience you had with our product. It's not showing the overall quality of our products and we do hope that you will give us a second chance next time. Any question or assistance you may need, don't hesitate to contact us: newegg@seasonic.com

Thank you and sorry for the inconvenience.
Best Regards,
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