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CORSAIR HX series HX650 650W ATX12V v2.2 / EPS12V 2.91 SLI Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply

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  • ATX12V v2.2 / EPS12V 2.91
  • Modular
  • 80 PLUS GOLD Certified
  • 100 - 240 V 50/60 Hz
  • +3.3V@20A, +5V@20A, +12V@54A, -12V@0.3A, +5VSB@2.5A

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews

Legendary performance and reliability.

Quiet operation at low loads, modular cabling and 80 PLUS Gold efficiency makes HX Series PSUs a great choice for high-performance PCs. HX Series power supplies generate less heat, so they require less cooling, and the thermally controlled fan only spins when it’s needed. The modular cable set allows you to use only the cables you need for your particular set of components to improve your system heat dissipation and ensure a neat inner look. 80 PLUS Gold certified, the CORSAIR HX650 delivers up to 90% energy efficiency under real-world load conditions to keep your PC cool and quiet, and your power bill down.

  • newegg 80 PLUS GOLD CERTIFIED The 80 PLUS Gold certified power supply provides high power efficiency of at least 87% at any load between 20% and 100%, saving you money on your electrical bill, reducing heat in your computer's system and prolonging its life.
  • newegg 650W continuous power output with strong single +12V rail The Corsair HX650 power supply provides a maximum power of 650W at a server-grade 50°C temperature rating to deliver safe, reliable output for high-end computer systems. A strong +12V single rail ensures the maximum provision of 12V power to energy-hungry components such as CPU and VGA card, minimizing the likelihood of overload shut down.
  • newegg MODULAR CABLE DESIGN The modular cable design makes installation a breeze and allows use of only the cables you need resulting in improved internal airflow and reduced system clutter.
  • newegg Two PCI-E connectors With two 6+2-pin PCI-E connectors, the Corsair HX650 is ideal for high end graphics card.
  • newegg Quiet cooling An ultra-quiet, 140mm double ball-bearing fan delivers excellent airflow with exceptionally low noise levels by varying fan speed in response to temperature.

Learn more about the Corsair HX650

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 7 years
  • Limited Warranty period (labor): 7 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
3/ 5
Works great, but doesn't support Maxwell NVidia GPUs 3/12/2017 7:09:42 PM

Pros: - Easy to install, had it since March of 2013
- Stable, keeps cables well managed and hasn't had any issues with functionality
- Affordable price,

Cons: - Tried to install NVidia GTX 970 video card with two molex connectors, computer would not turn on, despite more than meeting the 500 W requirement for the video card. I find this absolutely disappointing, do not go with this brand if you want to use newer GPUs.

Overall Review: - I recommend to those who have older video cards, but for anything newer, avoid like the plague; and get a device with well-made Japanese parts and not Chinese parts.

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Ownership: more than 1 year
Verified Owner
5/ 5
Approaching year three, still going strong 12/31/2016 11:02:16 AM

Pros: - Make cable management a breeze
- Turns on when you want it to
- Doesn't turn off unless you want it to
- More than enough capacity for my single GPU desktop

Cons: - The 24 pin isn't modular. (Had to scrape the bottom of the barrel for a con)

Overall Review: Reliable, solid unit. The kind of PSU you can use forever.

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Ownership: more than 1 year
Verified Owner
5/ 5
No Complaints and a Solid Quiet Performer 2/24/2016 8:24:30 AM

Pros: It's very quiet and meets the needs for my backup computer.

Cons: None

Overall Review: It's been in use for over a year & I hope it goes the distance. I am now protecting all my PC's with Series Mode power filters that should help out a lot.

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Ownership: more than 1 year
Verified Owner
3/ 5
corsair 1/2/2016 6:41:28 AM

Pros: its a corsair. its super quiet, even under load. all the cables are very long (which was actually an issue in my itx case, but for most of you the longer cables are probably a plus). reviews ive seen of this unit show it can output way more than its rated 650 watt without breaking a sweat (just buy a bigger supply if you need more power though, seriously). modular cables are nice.

Cons: the first unit i got had a bad fan on it. i understand that this fan doesn't operate at low loads, but my first unit overheated because even under extreme load the fan never spun up. newegg replaced it immediately, no questions asked. even with the best there's bound to be some duds out there, so its no big deal really.

UPDATE: its been about a year now and the replacement power supply is having fan noise as well. first off, even at idle, the fan doesn't really turn off. it cycles continuously. 10 seconds on, 10 seconds off, over and over. its not due to heat. my whole system is water cooled and stays very cool at idle. ambient temps are very low as well. I've run it both with the case open, and closed. its not due to power consumption. my kill-o-watt meter shows my system drawing 38 watts from the wall at idle. the computer is in a very clean room, and there is no visible dust on the machine. when the fan is cycling on at its minimum operating speed, it has a mild squeal, which is very annoying in a quiet room.

Overall Review: it came with floppy connectors. i find that to be hilarious. i nearly forgot what decade i was living in.

the cables are a bit stiff. it makes them a tad hard to manage if you're a stickler about cable management like I am, but with some patience and some effort they will conform to whatever shape you need. once you've got it all set they'll stay put pretty well, even without zip ties.

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Ownership: more than 1 year
Verified Owner
5/ 5
Still running strong! 12/28/2015 4:39:38 PM

Pros: Running an ATI 4850, then 4870, then AMD 7950 all flawlessly with a 7750BE to 965BE and then a FX8300. Modular works great, It is running strong since 2010, and still under warranty! Gotta love that!

Cons: fan makes more noise now than it used to, possibly from increased load over the years to a more powerful computer. Might have to look into cleaning it in a high dust environment as long as I can do so without voiding my warranty.

Overall Review: would recommend these old corsair power supplies in a heart beat, with excellent reliability and being able to cope with an increasing work load throughout its lifetime this thing was the best computer purchase I've made and is the lifeline of my gaming computer. I corsair used to partner with seasonic, the most reputable psu makers in the industry. I'm not sure what they are using now, but these older ones were the cream of the crop and the talk of the town. Remember when corsair just made RAM?

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Ownership: more than 1 year
Verified Owner
2/ 5
2 RMAS in two years 11/30/2015 7:58:31 AM

Pros: Pros.. well it works for a year at an time I guess. It is quiet

Cons: first RMA was few months after getting it. There was a weird chirping sound and they replaced it with a new one. A year later it just died, did a paper clip test and the fan does not even spin.

Setting up RMA for second problem right now. I dont think I can recommend this power supply or Corsair for now. Even if they send a new one back again I will likely go buy a new pus from another brand.

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Ownership: more than 1 year
Verified Owner
1/ 5
DOA 11/11/2015 5:38:01 AM

Pros: A great power supply, when it works.

Cons: The original supply I received was dead. This was confirmed with Corsair's "paper clip test" (aka shorting two contacts on the power connector by jamming a paper clip into it) as described on their website. They accepted my RMA claim, but I was responsible for return shipping. Considering the cost of the supply, the time wasted troubleshooting it, the cost to ship it back to Corsair, and the time waiting for a new supply to return, I wish I had just spent more and bought a more reliable product.

Overall Review: Corsair should invest in a QA/QC department and use better manufacturing processes.

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Ownership: more than 1 year
Verified Owner
5/ 5
Powerful 9/12/2015 9:15:25 AM

Pros: I really like Corsair's packaging, I guess, because I liked how it was boxed.

it works perfectly, no issues. easy installation, trust it to keep going.

price point was something I had to be flexible with. I was advised that this would be really great especially if I plan on upgrading or expanding in the future (which I eventually do)

Cons: price maybe? who knew that power could be so costly?

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