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Item#: N82E16817151088

SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

  • ATX12V V2.3/EPS 12V V2.91
  • 80 PLUS GOLD Certified
  • Sanyo Denki San Ace PWM Silent Fan
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 X650 Gold ((SS-650KM Active PFC F3))

Model

Brand
SeaSonic
Model
X650 Gold ((SS-650KM Active PFC F3))
Series
X Series

Spec

Type
ATX12V V2.3/EPS 12V V2.91
Maximum Power
650W
Fans
1 x Sanyo Denki San Ace PWM Silent Fan
PFC
Active
Main Connector
20+4Pin
+12V Rails
Single
PCI-Express Connector
4 x 6+2-Pin
SATA Power Connector
8
SLI
SLI Ready
Haswell Support
Certified
CrossFire
CrossFire Ready
Modular
Full Modular
Efficiency
> 87%
Energy-Efficient
80 PLUS GOLD Certified
Input Voltage
100 - 240 V
Input Frequency Range
50/60 Hz
Output
+3.3V@25A, +5V@25A, +12V@54A, -12V@1A, +5VSB@3.0A
Dimensions
6.3" x 5.9" x 3.4"

Features

Connectors
1 x Main connector (20+4Pin)
1 x 4 Pin ATX12V
2 x 8 Pin EPS12V
8 x Peripheral
8 x SATA
2 x Floppy
4 x PCI-E
Features
DC Connector Module with Integrated VRM [Voltage Regulator Module]

DC to DC Converter Design

Hybrid Silent Fan Control

Sanyo Denki San Ace PWM Silent Fan

Conductive Polymer Aluminum Solid Capacitors

Highly Reliable 105 degrees C Japanese Brand Capacitors

Tight Voltage Regulation [+/-3%]

Active Power Factor Correction [99% PF Typical]

Ample +12V Output

Dual Sided PCB Layout

Ultra Ventilation [Honeycomb Structure]

Full Modular Cabling Design

Multi-GPU Technologies Supported

All-in-One DC Cabling Design

Easy Swap Connector

Universal AC Input [Full Range]

Quick Info

Warranty

  • Limited Warranty period (parts): 7 years
  • Limited Warranty period (labor): 7 years


Customer Reviews of the SeaSonic USA X650 Gold ((SS-650KM Active PFC F3))

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Showing 645 of 645 reviews - Clear Filters

  • tomak
  • 12/7/2014 5:26:04 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsSo far so good, but still hearing coil whine, noise

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Good design
Modular
Stable

Cons: Having coil whine while playing games(loading scene in Far Cry 4) and running some programs

Other Thoughts: Mine was badly damaged at the corner of the PSU box. All components inside are ok but it made me feel I bought a cheap, used PSU
The newegg box which was covered outside PSU box still good so I think this is not Purolator's fault

Manufacturer Response:

Hi MY H.
For coil whine if you have the issue during gaming, this can very well be due to the VGA card's dymanic load not in compliance to Intel specification and this can cause the PSU to emit coil whine. Possible solution is to use ferrite cores on the VGA power cables. As well, if your unit was received with damage, you should contawct NewEgg for RMA and if that is not possible, then please send an e-mail to me at: newegg@seasonicus.com Please contact me if you have further issues with your power supply. Thank you.

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

  • Aeon
  • 12/1/2014 9:05:08 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsOld reliable

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: + Steady, reliable.
+ It is modular.
+ It has extra modular cables.

Cons: - None

Other Thoughts: Newegg tells me I got my first one of these in 2010. Can it really have been so long ago? That one worked so well I couldn't pass up another one during the winter sales. These X-series do well in reviews, and my two are doing just fine.

The secret to buying PSU's is to anticipate about when you will be building a new rig, then looking for sales, pulling the trigger when you see the right price. It's also a good idea to have a spare PSU if you can afford one.

You can buy almost any other part off the shelf from a local retailer, or wait a few days for Newegg. If you do that for a sudden right-now need for a PSU, you're likely to pay more than you wanted to pay.

Did you find this review helpful? Yes No

  • Grey
  • 11/24/2014 2:49:09 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsRock Solid

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: This PS has been running my computer nearly 24/7 for 11+mo's with an overclocked cpu/gpu without a single hiccup. The reviews on known repeatable PS reviewers are great. read the jonnyguru review and try not to buy it. The 0db fan is pretty amazing, I've almost never seen it go on, and it's unbearable over the gpu when it does.

Cons: The over-the-top felt "crown royal" style bag it comes in doesn't seem to make my friends laugh the way it does me.

Other Thoughts: Some reviews and videos note a 3 year warranty, at the time I bought mine, it was 5 years.
Some review I saw showed ugly unfinished braided cables, these appear to have been early or prototype review units, the model i received had full black cables (no colored ends)

Did you find this review helpful? Yes No

  • YourAverageShopper
  • 11/16/2014 3:55:37 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsRandom shutdown

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Packaging was good. Came with a bag for the cables as well. Pretty quiet when it worked.

Cons: The unit would randomly shut down my computer. The power would just turn off instantly at times when the computer was at idle or if a youtube video was playing or gaming. It can shut down at any time. Sometimes it wouldn't shut down for a week and other times I could experience this 3 times a day. It is absolutely random and I've RMA'd the power supply once already. The replacement did not fix it. I've also RMA'd my motherboard tried different GPU's thinking those were potential issues. In the end, I used a spare PSU and that one worked with no problem for the whole month that I had it.

Other Thoughts: There's something wrong with this unit and it seems other people are reporting the same issue as well. Maybe it is with a particular configuration.

Manufacturer Response:

Hi Chris,

Random shut down can be attributed to a variety of issues and even possibly software (virus) related. The replacements we provide are all tested to Intel and Seasonic specifications and to have 2 untis exhibit the same behavior can potentially mean the problem's root cause is not necessarily the power supply. If you have further comments or concerns in this regard, please contact me at newegg@seasonicus.com Thank You Very Much.

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

  • N/A
  • 11/16/2014 1:55:48 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSecond X-Series and still super !

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Bundle is excellent, quality too so buy it with your eyes closed !

Cons: None

Did you find this review helpful? Yes No

  • NeweggShopper
  • 11/15/2014 11:30:53 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsHorrible reliability

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: It's fairly quiet. Packaging looks good.

Cons: Randomly shuts down my computer. RMA'd it once and it still does the same thing. Tried a different PSU and that one was fine. I'm not even running anything too power intensive. A 4770K at stock and a R9 290 at stock.

Other Thoughts: I see others reporting the same thing. There hasn't been a fix that I am aware. Seasonic RMA process was fairly quick though.

Manufacturer Response:

Hi Chris, I see this is a repeat post. Again, if you have any concerns or comments, please write to me at: newegg@seasonicus.com Thank you

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

  • woodyfly
  • 11/5/2014 5:47:06 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsSo far so good, no coil whine or noise

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: 1. Great packaging / organization
2. Modular
3. No noise

Cons: 1. You might have possible coil whine due to hardware compability issues. It's not an issue of the PSU, getting a replacement will yield the same problem

Other Thoughts: i5 3570k
MSI p67-g45 b3
sapphire 7850

I was torn between getting a fanless 500w power supply or this x-650. The only thing keeping me from buying this power supply was the complaints of 'coil whine'. Luckily for me, there is no coil whine audible farther than an inch. If I put my ear right next to it, yes there's a slight noise but that's normal and definitely not audible from a distance at all. So far, 10/10. It is pretty much silent. We'll see how long it lasts before it goes kaboom! :)

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

  • Bill
  • 11/1/2014 11:47:43 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsBad news

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Works fine in Seasonic fasion for six months. The packaging is a thing of beauty. Most cables from older Seasonic PSUs work fine with the newer supplies.

Cons: The power supply completely failed after six months. Not a good showing!
I confirmed the failure by replacing the PSU with a Seasonic 460W X series fanless.

Manufacturer Response:

Hi Willliam, I am sorry for the inconvenience of the RMA. Please contact our USA office to start the RMA processing. If you have any questions or issues please contact me anytime at newegg@seasonicus.com Thank you.

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

  • N/A
  • 11/1/2014 10:28:30 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggs

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: The modular design keeps the case clean, and it's quiet.

Cons: It failed twice over the course of 2.5 years. It's now in the trash can.

Manufacturer Response:

Hi Mike, Sorry for any inconvenience caused by the RMA. Can you please let us know how the unit failed twice. Normally when the power supply fails, it will not boot up again. Please contact our USA office for RMA and I am sure they will gladly take care of it for you. If you have any quesitons or issues, please contact me at newegg@seasonicus.com Thank you.

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

  • Dr. Loomis
  • 10/26/2014 2:21:18 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs2011 and Beyond

This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready

Pros: Reliable

From a 2500k in 2011 and its going in my new Haswell build next week. Overly thrilled with its reliability and power output.

Cons: See other thoughts

Other Thoughts: Note: During the time this was the norm but todays standards have gone in the direction of separate sleeving. I would like to see more PSU distributors incorporate that feature.

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

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