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Item#: N82E16817151119

SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

  • ATX12V / EPS12V
  • Modular
  • 80 PLUS GOLD Certified
  • 100 - 240V (Max. 90 - 264V) 50/60 Hz
  • +3.3V@20A, +5V@20A, +12V@45A, -12V@0.3A, +5VSB@2.5A

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the SeaSonic USA SSR-550RM

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 SSR-550RM

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Showing 81 of 81 reviews - Clear Filters

  • Joel H.
  • 5/3/2016 10:22:27 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGreat price for a good PSU

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Came with all the cables that I needed

Cons: I had to flip my sata power connectors to plug them into my cd drive and hdd. Bit annoying but no big deal.

Did you find this review helpful? Yes No

  • Anonymous
  • 3/25/2016 7:43:21 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat PSU, go for GOLD

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Lots of cables and options.
No problems with length.
Installed quickly and easily.

Cons: None

Did you find this review helpful? Yes No

  • Kevin P.
  • 2/28/2016 12:36:23 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat so far

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Clean power on tap

Cons: Cables are kind of short when trying to do proper cable management in a PS07B, but it's a pretty big micro atx case so no big deal.

Did you find this review helpful? Yes No

  • Andrew M.
  • 2/16/2016 9:24:36 AM

5 out of 5 eggsGood for Gaming PC + 5-Year Warranty

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Newegg states that it's a 1-year warranty, but Seasonic website product page clearly says it's a 5-year warranty! Maybe Newegg could correct this, please?
Delivers stable, ripple-free power at high efficiency.
Nice and quiet. In fact, not sure i've ever heard the fan running. For everyday computing this psu is silent (computer sits right beside desk). Probably the fan is running during intense gaming sessions but the video card fan noise is the main thing you can hear.
Modular cables are flexible to make for easy routing.
Efficiency remains high even during very low power draw like you might require with a home theater PC or an always-on system that idles a lot or is frequently used for simple tasks such as email or internet. Yet, it can deliver plenty of watts with even higher efficiency when the system demands it.

Cons: Cable lengths may be a bit short if mounting in a really tall tower case.

Other Thoughts: The PC consists of a Core i5-4590 cpu, ASRock Z97 Extreme4 motherboard, 2x4GB G-Skill DDR3-2400, GTX760 video card, 1xSSD, 2xHDD and 1xDVD burner. The Seasonic 550-watt psu handles everything smoothly with no glitches or limitations. It's been in use every day for about 18 months now, and i couldn't be happier.

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  • Anthony M.
  • 1/13/2016 2:40:04 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsworks great but not enough Sata power

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: The modular connectors were great for keeping things clean. Its gold rated and super quite. Overall I am satisfied with the power supply itself but not the connectors.

Cons: Unfortunately SeaSonic seems to think people are using molex connectors still and includes a ton of them for the modular connectors, which in turn means we only get 2 runs of Sata power which is not enough. I knew this when buying the product but was under the impression I could buy more sata connector runs. Alas they do not sell anything of the sort. I had to buy molex to sata connectors for the install.
Also, the sata connectors were spread too far apart to provide any benefit whatsoever as hard drives are generally stacked on top of each other.

Other Thoughts: If SeaSonic would include decent modular wires this would be an amazing product. I would probably suggest looking elsewhere for your power supply if you are looking to power more than 1 or 2 hard drives and do not have sata power connectors all in the same place.

Manufacturer Response:

Hi Anthony,

Thank you for your feedback about our product. It is always difficult to satisfy everyone with connectors, especially when we are talking about SATA and Molex. But I will forward your feedback about this because this is very important for us to know what end users are thinking. Also, I may suggest you to contact our support team to see if they can't provide you some extra cables. Send an email at: support@seasonicusa.com

Thank you and have a nice day.

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

  • Jelisa B.
  • 12/18/2015 4:34:41 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsDOA. Quality Control anyone?

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Structural build quality and presentation seemed good.

Cons: Arrived DOA. Clear lack of quality control. Returned to Newegg.

Manufacturer Response:

Hi Jelisa,

I am really sorry for your experience with our product. We always do our best to avoid any DOA product. Anyway, it seems you could send it back for exchange to Newegg. If you still have some problem with our product, kindly send an email to: newegg@seasonicus.com
Thank you.

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

  • N/A
  • 12/4/2015 11:25:01 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: does the job! great build quality! i can seriously tell a diff!

Cons: none...it works.

Other Thoughts: Super build quality!

Did you find this review helpful? Yes No

  • N/A
  • 11/12/2015 7:05:56 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood PSU

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Work well

Cons: A little noise from the fan for person like me that had very good ear.

Other Thoughts: Good PSU, but the fan make a little noise for me, probably at the end of the warranty I will change the fan for a Noctua.

Did you find this review helpful? Yes No

  • N/A
  • 9/21/2015 5:50:32 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs2 years and going strong

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Great reliability and is modular where you need it. Runs super quiet and provides the power required in my build. Love the modular cables and ability to choose which cables you need.

Cons: Not really a con but the cables are a bit long for a mini PC build, had to fold them like an accordion to make them fit. Pretty sure this would be the same for any PSU as most are made for full/mini towers. Could be a Pro as these cables should reach anywhere in a full sized tower.

Other Thoughts: In the market for a new PSU for a friend and SeaSonic has always been my goto. I currently have 3 of these running in the home on computers that run 24/7 for years and never had a lick of trouble (oldest being 5 years).

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

  • N/A
  • 8/26/2015 10:47:08 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsLove it.

This review is from: SeaSonic G Series SSR-550RM 550W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Reliable, sturdy, durable.

Cons: None.

Other Thoughts: Put this in a i5 hackintosh build 2 years ago and it's going great. Love this brand, as they make many power supplies for other manufacturers. Wait for a good price and buy it. Highly recommended.

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

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Item#: N82E16817151119
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