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Item#: N82E16817139007

CORSAIR HX Series CMPSU-1000HX 1000W ATX12V 2.2 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS Certified Modular Active PFC Compatible with Core i7 Power Supply

  • ATX12V 2.2 / EPS12V 2.91
  • Modular
  • 80 PLUS Certified
  • +3.3V@30A, +5V30A, +12V1@40A, +12V2@40A, -12V@0.8A, +5VSB@3.5A
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If you're looking for a power supply to feed your hungry system, look no further. The new HX1000 PSU from Corsair puts out an impressive 1000 watts of power and supports the latest ATX12V v2.2 standards as well as EPS12V 2.91 standards. The unit is 80 PLUS certified and has a 99% Active Power Factor Correction to ensure maximum efficiency.

The cables are extra long to work in the largest tower. They are fully sleeved for easy routing and bundling. There are six 8-pin PCIe power connectors so you can build up a CrossFire or SLI system using today’s high end video cards. There are also 12 SATA and 12 Molex connectors so you can connect multiple drives and peripherals.

Keeping it all cool is a temperature-controlled 140mm fan. Air is vented through the hexagon mesh back panel. The universal input accepts voltages from 90V to 264V so you no longer have to worry if the switch was in the right position.

  • newegg ATX12V and EPS12V Compatible Compatible with the ATX12V v2.2 and EPS12V v2.91 standards, the Corsair CMPSU-1000HX provides maximum power stability to drive the latest Intel and AMD processors as well as other components for desktop and server computer systems.
  • newegg 1000W Continuous Power A continuous power of 1000W delivers safe, reliable output for even the most extreme computer systems. Dual industry-leading independent +12v rails are provided for more stable and safer power output.
  • newegg 80 PLUSCertified The 80 PLUS certified power supply provides high power efficiency of at least 80% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
  • newegg Six PCI-E Connectors With six 6+2-pin PCI-E connectors, the Corsair CMPSU-1000HX is ideal for building up a SLI or CrossFire gaming system.
  • newegg 140mm Silent Cooling Fan The Corsair CMPSU-1000HX features a 140mm thermally controlled fan for increased overall airflow and heat dissipation in the power supply enclosure.

Learn more about the Corsair CMPSU-1000HX

Quick Info


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

Customer Reviews of the Corsair CMPSU-1000HX

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  • Alexander F.
  • 12/10/2014 2:54:30 AM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggs*STILL PERFECT* as of December 10, 2014

Pros: 1000W
Thousands upon thousands of reliability hours
Can handle 2 way SLI like a dream, even modern GPUs
Cheaper than dirt when I bought it

Cons: Discontinued. Seriously, what a STEAL this was!
Newegg won't let me overclock the multiplier on their rating system :)

Other Thoughts: Specs:
i7 4790K
Noctua DH-14
Asus Z-97 Pro-A
G.Skill Ares DDR3 32GB 2133mhz
Samsung 840 EVO 500GB

Absolutely insane. I can't believe this thing is still working after all these years. Bought it in '08 and it STILL works!! Run the gamut of nearly 6 years, having used it in MANY AMD and Intel rigs. My setup has ranged from GPUs in SLI or Crossfire, multiple RAM burnouts, motherboard RMAs, and still chugging along as if I just opened it. from the early i5/AM2 era to now. I can't believe how much money's worth I got out of this. I'm never buying a non-Corsair power supply again.

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  • Miguel N.
  • 4/20/2014 12:29:18 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggs3 Years and Dead!

Pros: disappointed!

Cons: Died on me 4/18/2014, so far I'm very surprised and very disappointed with Corsair product dying on me within 2-3 years as this is a second Corsair product!

Other Thoughts: I just hope that this Corsair 1000HX I purchase is a bad one and not a "refurbish"

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  • Joseph R.
  • 1/20/2014 1:42:13 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsGood PSU for the money

Pros: The efficiency is a huge plus when you are using a lot of power, and you don't want to shell out a lot on your energy bills. At the time (when I did my first build with this in 2011), this was a great PSU that could handle everything you could throw at it. The modularity was also a big plus.

Cons: Died after three years of service. It was fine one minute, and the next it was dead. I came back from the store, and noticed the PC was off. I reset the PSU, and turned it on. No post with CPU_LED lit. I finally troubleshooted it to the PSU. The PSU no longer supplied power to my CPU.

Other Thoughts: I bought a HX1050 while my HX1000 is being RMA'd, and I must say I am impressed with their improvements. It is smaller, doesn't need the fan at loads less than 40%, and has a cool retro look to it.

The single 1050 12v rail is a bonus too.

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  • Zacharie P.
  • 5/24/2013 9:33:26 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsAmasing

Pros: It lasted me about 8 years, no regrets, getting another Corsair PSU

Cons: When it died the smell was scary.

Other Thoughts: I got this for my first ever PC build, it's gone through 3 motherboards and CPUs, 2 Cases and like 4 GPUs

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

  • Gilberto L.
  • 2/11/2013 10:49:08 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsI cannot believe this happened!

Pros: None That I can think of... I am surprised this PSU was dead on arrival.
I have a couple more and they are working fine.

Cons: I purchased one of this for my son, he saved for almost 2 years to build a powerful gaming PC, so after he was able to purchase all of the components, we assembled the PC and the PSU was dead, yes we did all the trouble shooting, (I am a Telecommunications and Electronics Engineer) but I guess I'll be testing everything in advance from now on, lesson learned.

Other Thoughts: Contacted Corsair Technical Service, they granted a quick RMA with expedite replacement and a prepaid UPS label for returning the bad unit.
I believe Corsair's customer support is A+.
I never had the experience of receiving something defective in the past, especially from a reputable brand. My advice, test your equipment in advance if possible.
Thank you and please forgive my poor English.

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

  • John G.
  • 12/22/2012 10:47:36 PM
  • Tech Level: Low
  • Ownership: less than 1 day

1 out of 5 eggsBad out of the box!

Pros: I found it for half price at a local store.

Cons: Out of the box I noticed what smelled like something had been burned, but I wrote it off and put this in my case (after having to tear out my old unit and it was zip tied for cable management, so that sucked) as I was installing the 24 pin connector I saw BURN MARKS on the +5 (yellow) wire! I pulled the thing out and have started the RMA process with Corsair. This is DOA and I won't risk running it in that state in my computer!
Shame on you, Corsair! QC needs to wake up and pay closer attention!

Other Thoughts: Seems good, if not a little old design. If mine didn't have this problem I would have given it 5.

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

  • Michael B.
  • 11/12/2012 9:25:07 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsPure Clean Power

Pros: Power, Clean Power, 3 years and still going strong

Cons: None

Other Thoughts: Best darn PSU i have ever owned

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

  • David P.
  • 9/10/2012 6:24:06 AM
  • Tech Level: High
  • Ownership: more than 1 year

1 out of 5 eggsGood RMA, Bad product

Pros: RMA is straight forward & they should stick to making mid-tier memory.

Cons: 2010-07 Purchase PSU.

2011-05 Goes up in smoke in. Don't ask why, I don't know. Glad I was around to unplug and avoid an electrical fire. 1st RMA. 60$ shipping to California. Things happen, no biggie, must be unlucky I guess.

2011-06 2nd PSU received.

2012-05 2nd PSU starts failing progressively. I notice the more I tax it, the more it fails. I run setup below, it shouldnt have a problem powering it. First rail can barely power my CPU, periodically decides to run a single 6950, if I am lucky.

2012-07 Condition worsens, PSU never runs anything beyond post, sometimes doesn't have power for MB. 2nd RMA. 60$ shipping to California. Irritated. PSU cost me 420$ by now. Corsair unwilling to pay shipping both ways. I tell them they should have sent me a working unit to avoid this . Will not stand behind their products & customers.

2012-08 3rd PSU received from RMA. Powers setup like it should. Has loud whine from the get go. 3rd RMA started. 60$ more shipping to California?

Other Thoughts: (continued)

2012-08 PSU will have cost me 480$ by now. Enermax, PC Power and Cooling and Kingwin sell 1500W PSUs for less than this. This could be a simple manufacturing defect, I understand. Regardless, this will be the last PSU I purchase from Corsair.

Core i7 920 @ 4ghz
6gb @ 1500mhz cl7
2x 6950 1gb

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

  • Alina C.
  • 5/11/2012 2:33:21 PM
  • Tech Level: Average
  • Ownership: more than 1 year

5 out of 5 eggs1000watt Champ

Pros: Modular and reliable

Cons: Fan made a noise almost from the beginning, replaced it with another fan and its been silent for the last 3 years.

Other Thoughts: I gotta give corsair props on this PSU over 3 years of continuous use and its still solid as a rock .

I think its laughing at my i5 setup

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

  • Anonymous
  • 4/9/2012 3:29:27 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsCORSAIR HX1000

Pros: Corsair has proven once again that they are one of the powerhouses in the power supply industry!

Cons: None so far!

Did you find this review helpful? Yes No

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