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Corsair CP-9020044-UK Professional Series AX860 ATX/EPS Fully Modular 80 PLUS Platinum Power Supply Unit, 860 W

4.4 out of 5 stars 216 customer reviews
| 42 answered questions

RRP: £209.99
Price: £175.14
You Save: £34.85 (17%)
Only 6 left in stock.
Dispatched and sold by Scan Computers Intl Ltd in certified Frustration-Free Packaging.
16 new from £173.87 3 used from £126.93
860W
Standard
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  • Dedicated single +12V rail
  • Active Power Factor Correction (PFC) with PF value of 0.99
  • Universal AC input from 90~264V
This item’s packaging will indicate what is inside and cannot be hidden.

Frequently Bought Together

  • Corsair CP-9020044-UK Professional Series AX860 ATX/EPS Fully Modular 80 PLUS Platinum Power Supply Unit, 860 W
  • +
  • Intel Core i7 6700K Processor (4 GHz, 4 Core, 8 Threads, 8 MB cache, LGA1151 Socket Box)
Total price: £496.49
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Product Information

Size: 860W | Style: Standard
Technical Details
BrandCorsair
Item Weight3.5 Kg
Product Dimensions16 x 15 x 8.6 cm
Item model numberCP-9020044-UK
SeriesAX860
ColorBlack
Form FactorATX
Wattage860 watts
Power SourceAC/DC
  
Additional Information
ASINB00AO0YRMI
Best Sellers Rank 8,822 in Computers (See top 100)
Shipping Weight3.5 Kg
Date First Available14 Dec. 2012
  
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Product Description

Size Name:860W  |  Style Name:Standard

Product Description

The fully modular cable set lets you use only the cables you need. You can install the AX Series first and then add cables one-by-one without having to deal with the dreaded “cable octopus“

AX860 delivers up to 92% energey efficiency under real-world load conditions. Better efficiency means lower energy usage, less excess heat, and lower operating costs. Since less heat is generated, the fan doesn’t have to work as hard, so there’s less noise, too. It’s a great choice for smart, efficient power delivery.

All of the power cables have connectors on both ends, with nothing hard-wired to the PSU. This makes for easier installs (you don’t need to deal with an octopus of cables while you’re putting in the power supply), and you can add cables one-by-one, using only the cables you need. The result is a cleaner-looking build, with better airflow.

High-quality capacitors, a dedicated single +12V rail and a PF value of 0.99 give you reliable power output with extremely low ripple and noise. • Over-voltage, under-voltage, over-current, and short circuit protection provide maximum safety for your critical system components. And, AX860 is engineered to meet maximum power output at a server-grade 50° C temperature rating. Compatible with 4th generation Intel® Core™ series processors

Box Contains

1 x Corsair CP-9020044-UK AX860 860W 80+ Platinum Certified Modular PSU


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 760WStyle: Standard Verified Purchase
Sure it was a lot of money (I paid £133) but for the 92% efficiency it provides, the 7 year warranty and connections / power available to hook up 3 graphics cards + 12 sata hard drives, it's a bargain.

I currently have it in an i5 2500k, AMD 7970 3GB rig with 4 HD's and on idle, this PSU draws between 115-120w.

Gaming wise, the average is 150-180w, the most i could get it to consume was 290w playing Metro 2033 at maximum direct x 11 settings.

Considering the fan on this doesn't turn on until you hit the 380w mark, this PSU should stay silent for any single graphics card setup.

With the wattage i'm consuming, i could easily have 2 decent graphics cards in my rig and this PSU wouldn't break a sweat.

Bargain!
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Size: 760WStyle: Digital Verified Purchase
This is a great PSU. I bought this for a small server and it is extremely efficient and silent.

The "i" model comes with a USB dongle to allow monitoring of the PSU. It connects between a special socket on the PSU and an internal USB header on the motherboard. Software then provides real-time info on the PSU performance.

The problem? Well the software constantly polls the hard drives and this prevents them from spinning down. For a very energy efficient system as is possible with this PSU, this is an unforgivable oversight. I ended up by uninstalling the software and disconnecting the dongle. The PSU works fine without it.

I would recommend purchasing the Corsair AX760 PSU instead of the AX760i. It's the same power supply but without the dongle connection and problem software. You also save about 30 pounds, get a quieter system and save even more electricity.
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Size: 860WStyle: Digital
i think i may have a dud psu here, but read on if you may have the same problems as me.

its not great when you build a pc and go to turn it on and you get nothing, just a click and straight back off, i'm quite an experienced builder and immediately tried an old spare psu, to ensure it wasn't the other components and they're all fine, and the pc was on like a charm, the self test button is a little pointless as it doesn't tell me anything i don't already know,(in that it doesn't really work either) the psu will click and the component fans and motherboard light up (very briefly) as if its connected but something is not quite right inside. the packaging was amazing so it can't be from the courier, and although the cables state 1200i only! corsair inform me they are universal, let me know if thats not right!? corsair tech support and rma are usually top notch and this has a 7 year guarantee so i'm expecting it to get fixed or swapped pretty soon as its driving me up the wall, will check my review and revise if indeed my opinion changes.

I was expecting so much quality, as with all my other corsair components, vengeance ram, h100, force3 120gb ssd, air force fans.

update

after a couple of weeks and sending the unit back to the netherlands! (at my expense) ~£30 which i did manage to wrangle out of the seller who sold me the item in the first place, to which i commend them! as if i would have returned it to them they would have only been in the same situation, it was replaced by corsair and the new unit works as promised, however i should have got the 760i as the 860i is a bit overpowered! i thought my system would use much more power but its around 300w!
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Size: 860WStyle: Standard Verified Purchase
I bought this for a future build and didn't test it on arrival. My mistake, because it is defective and will not fully power on. It just power cycles over and over, or barely comes on and supplies less voltage than my motherboard needs. Can't even provide enough energy to POST.

This one is going back like several other reviewers mentioned, and I am definitely not impressed. If you buy one of these do make sure you test it immediately on arrival, as the quality control on these is poor. Corsair is shipping faulty devices so watch out.

UPDATE: Huge thanks to Amazon who made an exception and exchanged the defective item, however the replacement was also defective and powered up once then died within minutes. It too is going back and I'll try a different brand. (also, the automated bot posting the reply below with a USA telephone number on the UK Amazon website looks silly. Quality control issues from top to bottom over there at Corsair lately...)
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Size: 860WStyle: Standard Verified Purchase
What can i say i was very uneasy buying this power supply as lot of cosair power supply's have had a bad coil whine. I have looked on other sites and it seems to be an issue for all companies. So i must say the delivery on this was on the mark and better thank you>
As soon as i got this i thought wow its small, i have an old coolermaster 1000w psu and that was 1/4 bigger.
I just had to plug it in and swopped my old psu for this one. My specs are 2600k 4.6 ghz watercooled ssd drive + 2x wd black drives and a gtx680 not to mention all the fans and other stuff.
I started the pc and for a second i thought it haddent sarted as it was so quiet and strange that the fan never started on the power supply.
When it booted to descktop i just had to overclock up my card for a quick benchmark i got the card to 1200 on the gpu and some on the memory with out any problmes and the fan still never kicked in on the powersupply i flicked the switch to normal mode to make sure the fan did work.I must say it was spinning but i still couldnt hear anything.
It looked like the company that i bought it from had tested the powersupply and then re-sealed it very carefully for which i am very greatfull becuase there is nothing worse than getting a dead powersupply and having to send it back. My only gripe with this one is that the sata power cables are very stiff to put in the hadrives.
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