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SeaSonic USA > 
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
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.
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 SSR-550RM

Model

Brand
SeaSonic
Model
SSR-550RM
Series
G Series

Spec

Type
ATX12V / EPS12V
Maximum Power
550W
Fans
1
PFC
Active
Main Connector
20+4Pin
+12V Rails
Single
PCI-Express Connector
2 x 6+2-Pin
SATA Power Connector
6
SLI
SLI Ready
Haswell Support
Certified
CrossFire
CrossFire Ready
Modular
Modular
Energy-Efficient
80 PLUS GOLD Certified
Over Voltage Protection
Yes
Input Voltage
100 - 240V (Max. 90 - 264V)
Input Frequency Range
50/60 Hz
Input Current
8 - 4A
Output
+3.3V@20A, +5V@20A, +12V@45A, -12V@0.3A, +5VSB@2.5A
Dimensions
6.3" x 5.9" x 3.39"

Features

Connectors
1 x 20+4pin Main Connector
1 x 4/8pin CPU
2 x 6+2pin PCI-E
5 x Peripheral
6 x SATA
2 x Floppy
Features
DC to DC converter design

Tight voltage regulation

Smart & silent fan control

High reliable 105 Degrees C aluminum electrolytic capacitors

Conductive polymer aluminum solid capacitors

Detachable modular cables

High current gold plated terminals

12cm ball bearing cooling fan

Ultra ventilation

Multi-GPU technologies supported

Universal AC input

Quick Info

Warranty

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


Customer Reviews of the SeaSonic USA SSR-550RM

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Showing 52 of 52 reviews - Clear Filters

  • qinhao q.
  • 7/23/2014 12:12:41 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsSeaSonic 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

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: Modular, good looking PSU, solid for 2+ years on I5 4670k + AMD 7950 OC build.

Cons: Nothing so far

Did you find this review helpful? Yes No

  • Joshua M.
  • 5/10/2014 6:07:36 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAmazing

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: Fantastic quality PSU - professional reviews give it very high marks for its electrical performance (e.g. voltage regulation/ripple suppression)

Build quality is very good.

As good as fully modular - only the CPU power cable and 24 pin ATX cable are hard-wired, and everyone needs those.

5 year warranty

Unbeatable price!

Cables are a good length for all but the largest cases.

550W is enough power for almost all single CPU + single GPU systems.

Cons: At its price point, none.

Other Thoughts: Absolutely amazing power supply if you're on a budget and don't plan to use multiple graphics cards. Highly recommended.

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

  • Jeremie G.
  • 5/6/2014 5:18:45 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat 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: -Extremely silent even when pushed to the limit.
-Feels very well made.
-Does what I needed.
-Great bang for the buck
-Modular
-Has a nice little bag to put the spare wires... which I would have preferred better wires.

Cons: -Wires are the worst I ever seen. Do yourself a favor and get your own cables if you're in a professional computing business. Units were built to satisfy a consumer marker, professionals usually have their own wires they put on any machines anyways.
-Non-modular wires are too stiff and bothersome for my operation.

Other Thoughts: I bought two and both work fine and ran 24/7 since getting out of the box. Again I would advise using professional cables if you are a serious computer user. Highly recommended, quality of PSU itself far outweighs the awful modular cables.

Did you find this review helpful? Yes No

  • Martin M.
  • 4/13/2014 6:04:35 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsQuiet, modular, cheap

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: Quiet, modular, cheap.

Runs my 760 GTX with ease.

Great deal.

Cords hid well in a Silverstone TJ-08E m-ATX case.

Cons: n/a

Did you find this review helpful? Yes No

  • Adam B.
  • 4/7/2014 1:04:52 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Modular 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: modular, great build quality, QUIET

Cons: Obviously it'd be nice to have even more modularity on cables. If for example I have a need for four SATA power plugs and not 6, for example. But really not a big deal.

Other Thoughts: Easy cable management.

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

  • barry m.
  • 4/1/2014 12:47:50 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsStunning power supply

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: absolutely stunningly beautiful build quality.
this thing is like a rolls royce of power supplies.
i could find no imperfections. all of the components actually look very high quality. it comes with a great accessory kit. standard cable ties and velcro. a really nice accessory bag for unused cables and parts. the packaging was amazing. very sturdy and padded.

Cons: a bit heavy but i think that reflects build quality.

Did you find this review helpful? Yes No

  • Jessica L.
  • 3/19/2014 8:08:08 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsSo far so good.

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: First modular supply. Cables are long and quite flexible. They are flat cables, which I now can see why people want the sleeved ones, as configuration was kinda wonky since this was installed int he top of my case rather than the bottom.

Cons: Would have been nice to have the sleeved cables instead of the flat cables.

Other Thoughts: I can also see why some people say to get shorter cables for a mini-itx case. These would be WAY too long for one.

Did you find this review helpful? Yes No

  • Christopher L.
  • 3/12/2014 11:56:03 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsSolid PS, expected quieter, cables too short

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: Solid construction, good brand.

Cons: Noise level is good when running Office applications, it's a low steady background noise so it's easier to ignore, though it's higher pitched than other PS I've owned. However, the instant load increases, e.g. when copying files to ext HDD or watching streaming video, fan noise ramps up noticeably. This wouldn't normally be a problem if this desktop sat on the floor. However, this particular computer is the only one in my house that sits on a desk in a very quiet upstairs room.

The included SATA power cables are too short overall for a mid tower case. Also, the intervals between connectors are too short, forcing me to re-arrange drives to get them to work. How much could longer cables possibly cost? I would have preferred cables 3-4 inches longer with greater intervals between connectors in lieu of the black bag provided for cable storage.

Other Thoughts: First time owner of Seasonic based on reviews. Have an X series PS ordered from NewEgg that I expect to be quieter. Will keep this G series my other desktops that sit on the floor.

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

  • Kent L.
  • 2/18/2014 11:58:15 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsJunk Junk Junk

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 when it worked, failed at crucial time during year-end

Cons: Failed in about a year, what good is a long warranty when they send you an refurb item that is DOA? One year into a long warranty I don't want a refurb item, I barely had the item as new. And what about all the time wasted shipping, reinstalling DOA power supply, uninstalling, etc. Paid a premium price, got a junk product which was replaced with another piece of junk. If you can't refurb your own products properly why should I trust your brand?

Manufacturer Response:

Hi Kent, we apologize for the RMA situation and we are looking internally to see what has happened and to see how we can rectify the situation. Thank you.

2 out of 9 people found this review helpful. Did you? Yes No

  • Joseph C.
  • 1/31/2014 2:58:54 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsYus!

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: I love SeaSonic. Semi-modular, but it only has the mobo/CPU caples that aren't modular, which pretty much makes it full modular. Sleek looking.

Cons: the distance between some of the SATA power cables are a little short so had to move my harddrives up and my CD drive down as to not have to use 3 of them.

Other Thoughts: Love SeaSonic

Manufacturer Response:

Thank you for your review! Your concern for the cable lenght between teh SATA cables has been passed to our product managers. Thank you again!

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

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Item#: N82E16817151119
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