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CORSAIR Professional Series Gold AX850 (CMPSU-850AX) 850W Power Supply

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Professional Series Gold AX850 80 PLUS Gold Certified Fully-Modular Power Suppy Professional Series Gold AX850 80 PLUS Gold Certified Fully-Modular Power Suppy $38.38 CAD Shop Now
CORSAIR Professional Series CMPSU-850AX/RF 850W ATX12V v2.31 / EPS12V v2.92 80 P CORSAIR Professional Series CMPSU-850AX/RF 850W ATX12V v2.31 / EPS12V v2.92 80 P $104.99 CAD Shop Now

Product Reviews

CORSAIR Professional Series Gold AX850 (CMPSU-850AX) 850W Power Supply
74%
Excellent
14%
Very Good
3%
Average
1%
Below Average
7%
Poor
Rating: 8.95/10
Chantal
Rating:

Review Date: 09/09/13
Comment:
This PSU is modular, meaning (for those who don't know) you choose which cables you need to have to connect to the PSU. Some PSUs have all cables attached by default, which makes them a lot messier and not as good-hunting.It has enough cables to hook up everything in your personal computer and more, and it comes with a wonderful cable carrying case. I have practically no complaints about this PSU. It operates extremely properly, and that's fantastic enough for me. None I had trouble realizing where the cables went into the PSU itself, but then I realized there are spots where the cables will only plug in. If you're obtaining the very same problems as I had, you'll figure it out. I promise it's a lot much less complicated than it appears.
Yanni
Rating:

Review Date: 08/21/13
Comment:
totally modular..-all black-quiet-well constructed-came with a carrying case, and components bag none so far upper echelon of power supplies
Templeton
Rating:

Review Date: 08/08/13
Comment:
quite low noiseoutstanding DC outputplenty of connectorsa 7 year warranty None No labels on the outputs? The AX1200 is labeled.
Masao
Rating:

Review Date: 08/06/13
Comment:
Silent, fan only comes on under heavy load and even then its barely noticeable. Modular cables are fantastic and the length of the cables is just fine. I have incredibly substantial case and had no troubles with length. Packaging is incredible; you can just inform that a lot of thought went into this solution. As lengthy as this power provide doesn't die prematurely I will in all probability only acquire Corsair energy provide's in the future; that is how significantly I am impressed by this item. None what so ever!
Telma
Rating:

Review Date: 07/18/13
Comment:
Looks nice I replaced a Corsair 450w in my Dell Studio 540. I went with Corsair since my 450w works wonderful. I have changed several PSU, so for installation I double and triple checked my connections. The LED on the front of my Computer changed to orange when I tried to fire it up. Fans come on, but Pc does not boot up. I then switched back to my old, and it was nonetheless orange lit and absolutely nothing booted up. I pulled the battery on my mobo, waited for the caps to decharge and bam. My old PSU fired my Pc up once more. The new PSU puts it back to orange when I tried it once again. I was fairly annoyed with this complete fiasco specially considering that this is my recording studio Computer. Now comes the procedure to return and wait. I spent the cash on a decent organization. Hopefully this will be rectified soon. I will change my post if so.
Sidney
Rating:

Review Date: 07/17/13
Comment:
Keeps temp good and LOW ! None! If your considering about it, then just purchase it!
Willoughby
Rating:

Review Date: 07/07/13
Comment:
Don't know, perhaps fancy packing? DOA, and it's not due to improper packing in shipping. For a PSU with such rave critiques and high value tag, DOA is just not acceptable. Now I require to shell out ฤ for return, and delay my builder....
Berit
Rating:

Review Date: 07/01/13
Comment:
Velvet bag, packaging, cable length, newegg shipping was quickly, I forgot I ordered the item and was pleasantly surprised to uncover the box when coming household from perform Doa, doa, doa, oh and doa. Study some very good reviews and felt confident in getting this item on one particular of neweggs weekend offers. Immediately after getting a doa item I've been on a number of forums that show many victims have bought this trap of a psu and other individuals that fell for the replacement gag as properly, I will just get my refund and shop for a far more dependable item. It's a trap!
Doug
Rating:

Review Date: 06/26/13
Comment:
Virtually every thing about this energy supply is fantastic. The design is good, its efficiency has a Good bang-for-your-buck, the modular cables look excellent and are sleeved rather nicely, and the packaging itself is even one thing to be admired. The 4Ǟ-pin CPU cables. As well Quick!!! I've got my develop in a Corsair Graphite Series 600T case, which is pretty modest compared to some of the other giants out there, and these connectors had been still also quick to attain the energy connectors on my motherboard. Regardless of the fact that I'm hooking up both eight-pins into my motherboard, I didn't even have adequate length on either of the connectors to attain the closest available eight-pin socket on my motherboard devoid of getting to make the wire just go straight across the rest of the motherboard on the front of the case. I'm presently seeking to get two eight-pin energy cable extensions just simply because of this, which frankly I believe shouldn't be essential when paying for a prime-of-the-line product from Corsair. The truth that Corsair is the manufacturer of Both ends of the challenge is what's even additional... "disturbing" about this; you'd assume they'd make all of their items absolutely compatible with a single an additional, appropriate? If it weren't for these cables becoming too short, forcing me to go out and invest extra on extensions that likely won't even have the same colour scheme as the rest of the design and style, I would have given this five stars. This is just unacceptable for a solution from Corsair, specifically when placing this power provide in a Corsair case. I can't imagine someone making use of this in a 800D. Corsair 600T caseIntel i5 760EVGA P55 Classified 200 motherboardG.Ability Ripjaws DDR3 1600MHz RAM 2x2GBEVGA NVidia GTX 570 graphics cardCorsair AX850 "Professional Series Gold" Energy SupplyCorsair H70 CPU Cooler1TB WD Caviar BlackǗTB WD Caviar Black릌GB WD Caviar BlackSony Optiarc DVD/CD Burner
Nira
Rating:

Review Date: 06/02/13
Comment:
- 80 PLUS Gold certified -Single Sturdy იV Rail-120mm San Ace fan -Higher top quality Japanese capacitors -Totally modular cable program -7 year warranty-Low heat -Could be a little a lot more power effective -Price Operates great so far. Time will inform.
Wednesday
Rating:

Review Date: 05/22/13
Comment:
I anticipated some thing elite soon after reading all the testimonials. Packaging was fantastic. Unboxing was the highlight. I was so sad when it was nothing at all but a paperweight. The finish connectors felt quite cheaply made and have been really diffcult to connect collectively. I'm onto Antech.
Aaron_R@NCIX
Rating:

Review Date: 05/22/13
Cons: None

Pros: Quite Modular reliable
Comment:
Does exactly what it needs to. Comes with many cables for most types of connections the fan is not noticeable. Modular is the way to go for cable management.
Kella
Rating:

Review Date: 04/27/13
Comment:
I appreciate the corsair brand and this PSU seems to be no exception.Anything I was searching for, even produced by SeaSonic. The only cause I chose this more than an actual SeaSonic is that when facing down, this shows the good AX850 logo as an alternative of the tech specs, a minor factor but given that its essentially a SeaSonic, whatever.Completely Modular The 24pin on the psu side is a tiny funky the way the did it, and the indevidually "sleved" cables at the end are a tiny... scrambled, not as neat as i would have liked.The fan DOES NOT SPIN when you 1st boot and durring normal usage. This virtually produced me cr*p my pants, I thought it was broken and due to the fact I didnt notice it for a bit, was worried about harming my other goods. A straightforward google search identified this was regular, and component of their silent solution. I guess it doesnt want to be cooled all the time?Somebody correct me if im incorrect or if the span spins for you always. Would adore it if a Corsair Rep commented on this. For my new build:i7 2600k @ 4.5GHz (to start)ASRock Fatality P67 ProCorsair H60 Cooler (two CM Excalibur fans in push pullနGB of GSkill Sniper 1.25v RAM @ 1600MHzCrossfireX MSI 6950 (Reference models, shader unlocked to 1536, OCed to 900 - 1350)Corsair AX850 PSUWD 1TB Black SATA 6GBsall in a custom painted and modded white HAF 922.
Denzel
Rating:

Review Date: 04/26/13
Comment:
This is by far, the ideal energy supply I have ever noticed or utilised. It was just a pleasure to install and performs fantastic. I simply adore it. Lots of energy, lots of connections, and it looks fantastic also. Extremely lengthy cables to fit my Thermaltake Armor + Case. None Buy one particular, it's worth it. Perfectly stable
Kiri
Rating:

Review Date: 04/07/13
Comment:
OK. So now I am going to get on my soap box. This is the first assessment I have written. And it's because I am so impressed. Every thing about this unit is initially class. There are no extra wires hanging everywhere, due to the fact you only use exactly what you will need. I had a 430 watt. And think me there is a distinction. I imply come on guys...we spend 踰 on a dang video card and believe nothing about it. I guarantee you that you will not be disapointed with this unit. Well the wiring is heavy...nearly like it is created to last or something. I run a mid tower with eight gig ram. Yea...lean and mean. But seriously, the con is you can not throw the added wires away. Which is what I often do. I hate clutter. But I know I will by no means uncover any other harness like what comes with this unit. Just a single. I'd really like to personal this business. They take pride in their work and it shows.
Roz
Rating:

Review Date: 03/20/13
Comment:
Quiet. Performs Awesome. Fantastic packaging with a lot of cabling.Very good overall good quality. The ATX power cable integrated with the energy supply is a tiny brief. I could barely get it from the leading of my mid tower case to the bottom.
Schuyler
Rating:

Review Date: 03/02/13
Comment:
Silent, Modular, sexy, trustworthy, packaging looks and tastes great...i imply looks great lol. Corsair knows how its carried out. It doesn't say qualified series for practically nothing. Beginners will have a really hard time working with this out of the box for the cables are unlabled except for the PCI-E and also quite unfriendly. They're sharp edges cut me while removing 1 of them. And the instruction booklet is pretty fundamental talking to you as if you already know what it says. Don't let a small difficultly keep you from what is genuinely a excellent energy supply. It's all part of what it requires to be a Computer Builder.
Christian_M@NCIX
Rating:

Review Date: 02/28/13
Cons: - A little bit on the pricey side, but for what you get, it's worth it!

Pros: - Fully modular- Clean cable sleeves- You can buy individual sleeved cables in different colors off the Corsair website!- Fan only goes on when needed
Comment:
Had this for 6 months running an i7 3770k overclocked to 4.5Ghz and running 2 GTX 660s in SLI. It's still pumping juice into my rig very well and doesn't waste power by having the fan on un-necessarily. Great PSU!
Philomena
Rating:

Review Date: 02/25/13
Comment:
entirely modular850wgold certifiedexcellent brandsmaller for what you get..although it was going to be largerhigh amp single rail 12 volt only thing i could believe of would be to decrease the cost by generating the packaging not as Fantastic as it is. they coulda packaged a complete crate of eggs and they wouldn't have broken! purchased this on on eof the every day offers...choked down the cost, but am I so thankful I did! Amazing energy supply! just slapped a new program with each other and fired it up...no problems!Q8200Asus p5p43td/usb3g.skill 2x2gig ddr3evga gts 450 super clocked 1g ddr52x dvd burner500gb WD hddcooler master elite case
Axelle
Rating:

Review Date: 02/24/13
Comment:
Great Energy Supply came with all the cables required even for the Rampage III Extreme and nevertheless had cables left more than to do far more things with! Really Rather as well! Bought 2 and will buy more Expert Series when needed! None Best Energy Provide I purchased yet.
Jalia
Rating:

Review Date: 02/04/13
Comment:
Effortless to operate with, pretty and handles almost everything I can throw at it....Corsair is the only energy provide I have ever employed and they have in no way let me down..... none I would purchase again
Mitch_S@NCIX
Rating:

Review Date: 01/19/13
Cons: none

Pros: Quiet, reliable, affordable
Comment:
Awesome PSU. Very easy to install and easy to keep things looking neat and tidy. Plenty of power for everything and then some, it's definitely the best 850w power supply in my experience. It's quiet and runs perfectly well, would definitely recommend.
Trevor_H@NCIX
Rating:

Review Date: 01/10/13
Cons: none

Pros: Awesome PSU, over two years of use and still going strong!!
Comment:
Killer PSU. I have put this modular power supply through a lot of abuse and use and it is still kicking strong!! Probably the best power supply I have ever purchased. Thanks NCIX!
Jimmy_C@NCIX
Rating:

Review Date: 01/07/13
Cons: Connecting cables can be confusing at first.

Pros: Very quietGood qualityFully modular7 year warranty
Comment:
Awesome power supply. Thanks NCIX!
Pabla
Rating:

Review Date: 01/01/13
Comment:
Updated when I went to a 980x processor to be certain I had a energy provide that would function properly with it. None Really quiet fan.
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Product Features

80 Plus Gold 800Watts Plus
120mm Fan Active PFC

Corsair CMPSU-850AX AX850 Power Supply

The Corsair CMPSU-850AX AX850 Power Supply pushes the state of the art for reliable delivery of clean power under imperfect conditions. If you require mission-critical stability or you simply want one of the best power supplies available, the Corsair CMPSU-850AX AX850 Power Supply is for you. All cables detach from the power supply. During installation, this gives you the flexibility of using only the cables you need for a clean system build with optimal airflow. And, when it's time to replace or upgrade your power supply, it can be removed from your system without interfering with your cabling ? the cables stay in place and connect to your new fully-modular Corsair power supply.

 

With 90% efficiency at 50% load, the Corsair Professional Series Gold power supply runs quieter, generates minimal excess heat, and saves you money every month. The Corsair CMPSU-850AX AX850 Power Supply earned the 80 Plus Gold seal of approval, your guarantee that you're making the right choice for smart, efficient power delivery.

What It Is And Why You Need It:

  • A dedicated single +12V rail offers maximum compatibility with the latest components
  • High-quality Japanese capacitors provide uncompromised performance and reliability
  • Completely modular cable system allows you to use only the cables you need
  • Power supply upgrade and replacement is easy, as the cables only need to be disconnected at the power supply
  • Low-profile, flat cable design reduces air friction and helps maximize airflow through your computer's chassis
  • A seven year warranty and lifetime access to Corsair's legendary technical support and customer service
  • Over-voltage and over-current protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components

 

 

 

A Closer Look

 

Product Specifications

Model
Brand CORSAIR
Model AX850
Series Professional Series
Spec
Type ATX12V v2.31 / EPS12V v2.92
Maximum Power 850W
Fans 1 x 120mm double ball-bearing fan
PFC Active
Main Connector 20+4Pin
+12V Rails Single
PCI-Express Connector 4 x 6+2-Pin
SATA Power Connector 12
Modular Yes
Efficiency >90%
Energy-Efficient 80 PLUS GOLD Certified
Over Voltage Protection Yes
Input Voltage 90 - 264 V
Output +3.3V@25A, +5V@25A, +12V1@70A, -12V@0.5A, +5VSB@3A
MTBF >100,000 Hours
Approvals UL, CUL, CE, CB, FCC Class B, TUV, CCC, -tick.
Dimensions 5.9" x 3.4" x 6.3"
Features
Connectors 1 x Main connector (20+4Pin)
2 x 4+4-Pin ATX/EPS 12V
8 x Peripheral
12 x SATA
2 x Floppy
4 x PCI-E
Features Supports the latest ATX12V v2.31 and EPS 2.92 standards and is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems
An ultra-quiet 120mm double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature
80 Plus Gold certified to deliver at least 90% efficiency at 50% load
Active Power Factor Correction (PFC) with PF value of 0.99
Universal AC input from 90~264V: No more hassle of flipping that tiny red switch to select the voltage input!
A dedicated single +12V rail offers maximum compatibility with the latest components
Over-voltage and over-current protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components
High-quality Japanese capacitors provide uncompromised performance and reliability
Completely modular cable system allows you to use only the cables you need: Power supply upgrade and replacement is easy, as the cables only need to be disconnected at the power supply
Low-profile, flat cable design reduces air friction and helps maximize airflow through your computer's chassis
A seven year warranty and lifetime access to Corsair's legendary technical support and customer service
Manufacturer Warranty
Parts 7 years limited
Labor 7 years limited
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