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Corsair AX860 860W ATX 12V V2.31 80 Plus Platinum Modular Power Supply Active PFC 120mm Fan

Corsair AX860 860W ATX 12V V2.31 80 Plus Platinum Modular Power Supply Active PFC 120mm Fan - 1
Actual product may not be exactly as shown.
Corsair AX860 860W ATX 12V V2.31 80 Plus Platinum Modular Power Supply Active PFC 120mm Fan - 77641_l.jpg Corsair AX860 860W ATX 12V V2.31 80 Plus Platinum Modular Power Supply Active PFC 120mm Fan - 77641_1.jpg Corsair AX860 860W ATX 12V V2.31 80 Plus Platinum Modular Power Supply Active PFC 120mm Fan - 77641_2.jpg Corsair AX860 860W ATX 12V V2.31 80 Plus Platinum Modular Power Supply Active PFC 120mm Fan - 77641_3.jpg Corsair AX860 860W ATX 12V V2.31 80 Plus Platinum Modular Power Supply Active PFC 120mm Fan - 77641_4.jpg Customer Photos (0)

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Reg. Price: $269.98  CAD
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   Shipping Weight:   7.8 lbs
   Part #: CP-9020044-NA
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Features    [ Edit | History ]

AX Series PSUs offer world-class performance, with 80 PLUS Platinum-certified efficiency, low noise, fully modular cable sets, and high reliability for extreme performance systems.

Less heat generation and lower operating costs

Excess heat means wasted energy. 80 PLUS Platinum certified efficiency means less waste.

Zero RPM mode for silent operation at low loads

The fan doesn't even spin when your system is idle or doing basic work like surfing the web or running office applications.

Quick Specs:
Package Contents
  • AX860 ATX Power Supply - 860 Watt 80 PLUS Platinum Certified Fully-Modular PSU
  • Modular Cable Pack
  • Accessory Bag with Mounting Hardware, Cable Ties, and Case Badge
  • Installation Guide
Efficiency 92%
Input Voltage 110 V AC 220 V AC
Output Power 860 W
Limited Warranty 7 Year
Output Voltage 3.3 V DC @ 25 A 5 V DC @ 25 A 12 V DC @ 71.60 A -12 V DC @ 500 mA 5 V DC @ 3 A
Weight (Approximate) 7.25 lb
Form Factor Internal
Country of Origin China
Height 3.4"
Width 5.9"
Depth 6.3"
Number of Fans 1
Green Compliant Yes
Green Compliance Certificate/Authority 80 Plus Platinum
Number of +12V Rails 1
Modular Yes

Specifications    [ Edit | History ]
General Information  
     Brand Name: Corsair
     Manufacturer: Corsair
     Manufacturer Part Number: CP-9020044-NA
     Manufacturer Website Address:
     Product Model: AX860
     Product Name: AX860 ATX Power Supply - 860 Watt 80 PLUS Platinum Certified Fully-Modular PSU
     Product Series: AX
     Product Type: ATX12V & EPS12V Power Supply
     Plug/Connector: On/Off Switch
     Receptacles: 1 x 24-pin ATX Motherboard
2 x 8-pin EPS12V Motherboard
6 x PCI-E
12 x Serial ATA
8 x 4-pin LP4 Peripheral Device
2 x 4-pin SP4 Floppy Drive
     Country of Origin: China
     Green Compliance Certificate/Authority: 80 Plus Platinum
     Green Compliant: Yes
     Package Contents:
  • AX860 ATX Power Supply - 860 Watt 80 PLUS Platinum Certified Fully-Modular PSU
  • Modular Cable Pack
  • Accessory Bag with Mounting Hardware, Cable Ties, and Case Badge
  • Installation Guide

Physical Characteristics  
     Depth: 6.3" (160 mm)
     Form Factor: Internal
     Height: 3.4" (86.4 mm)
     Weight (Approximate): 3.29 kg
     Width: 5.9" (149.9 mm)
Power Description  
     Input Current: 12 A @ 110V
6 A @ 220V
     Input Voltage: 110 V AC
220 V AC
     Input Voltage Range: 90 V AC to 264 V AC
     Input Voltage Type: AC
     Number of +12V Rails: 1
     Output Power: 860 W
     Output Voltage: 3.3 V DC @ 25 A
5 V DC @ 25 A
12 V DC @ 71.60 A
-12 V DC @ 500 mA
5 V DC @ 3 A
     MTBF: 100000 Hour
Technical Information  
     Efficiency: 92%
     Modular: Yes
     Number of Fans: 1
     Power Factor Correction (PFC): Active
     Protection Type: Over Voltage
Under Voltage
Over Current
Short Circuit
     Limited Warranty: 7 Year

Corsair CP-9020044-NA Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Corsair CP-9020044-NA reviews.
Experience: 7 Days
 Verified Owner
Full modular
I changed my Corsair 750CM for this one.
I really loved how the modular is much better than the other version of Corsair i had.
The power supply is much silent too.

Experience: 2 Months
 Verified Owner
Braided cables,
Fully Modular,
Certified Platinum,
860 Watts,
It does the job as it should!

Experience: 1 Years
Fully Modular
80+ Platinum Certified
The braided cables are a nice touch. This PSU is very efficient (80+ Platinum rating). A fully modular PSU is useful for cases with less room, it also creates less clutter and makes a computer build look better. This PSU has performed without a hitch for a year, and comes highly recommended.

Experience: 4 Days
 Verified Owner
nice finished
bit too much expensive
got this to replace my antec bronz 620w

Experience: 2 Weeks
-size (great for mATX)
-cables could be longer if you were using a big case
This is a pretty nice power supply.

I bought it because it seemed to be the highest quality power supply that was in stock, and would fit comfortably in a Prodigy M case. After installing this power supply, I think I could have actually gone a bit larger - but I may have had to remove the optical drive bay.

I have not had any real issues with this PSU, the cables were plenty long for this case (but might be too short for a full-sized case), and the packaging was pretty nice. Not quite up there with some 1200w PSU's I have used, but still good.

The only weird issue I had was that the Prodigy M's power pass-through cable would not fit in the power socket on this PSU, so I had to shave it down a bit with an exacto knife. Not totally sure if that's the Prodigy's fault, or this PSU's, but either way it's working now.

Would buy again.

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Experience: 3 Weeks
 Verified Owner
Alot of connectivity
none for the moment
I got this for a asus Z97-Deluxe / 16 gb of ram / 1 ssd and few hdd.

Corsair PSU are awesome. Built well, strengh and silent.
Don't forget to pricematch

Experience: 5 Days
 Verified Owner
Fully modular looks great.
I got this for an Air540 case it works great lots of options for cables. 860w should do me until I'm gone LOL

Experience: 3 Days
 Verified Owner
Quite and Efficient
You pretty much paying for what you get. At idle there is zero fan noise, and even when running extremely. Outstanding quality overall, highly recommend.

Experience: 8 Months
 Verified Owner
Quiet (sort of - see cons)
Looks great
Fully Modular
Power delivery is consistent
Compatible with Corsair's sleeved cables (expensive, but a nice option)
Coil whine is atrocious on an unacceptable number of units.
The AX860 I have in my system is dead quiet. The fan makes not a noise, and there is no coil whine whatsoever. I'm completely satisfied with this unit. I'm also using the compatible Corsair sleeved cables, which are beautiful and save me the hassle of sleeving my own cables.
However, it's the third one I've tried. That's right, I had to RMA two units before this one. The first had sickeningly bad coil whine as soon as I plugged it in. The second, though not as bad, was still audible from outside my office (and was worse when the computer was powered down).
To make matters worse, Corsair's RMA process requires you to ship the product back to California. These things aren't light - it wasn't cheap. Fortunately, Corsair covered the second unit's shipping costs because of the issues I had.
So - in summary, this is a unit that is potentially excellent. When you get a good unit, it's top notch - everything you could want in a psu (except maybe price). However, the problem rate is just too high (just google AX860 coil whine) for a power supply of this caliber. I can't recommend this unit until Corsair (or Seasonic - the manfufacturer) gives evidence that they've solved this issue.

Experience: 3 Days
 Verified Owner
Great quality build, fully modular, nice black sleeved cables, only 160mm in length, platinum rating.
The coil whine in this psu is horrible. For the past 3 days the sound has been slowly frying my brain and it's turned to mush and now dripping out my ears as I type this. It is not just my unit either, after a quick google search I've found this is a widespread problem with the AX860. Do not buy this power supply unless you enjoy being tortured by a high frequency sound similar to what the KGB used to torture their captives.

2 star rating (ncix will not let me rate less than 3)

This review was modfied by poster @ 04-21-13 11:10 PM

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Messages about Corsair AX860 860W ATX 12V V2.31 80 Plus Platinum Modular Power Supply Active PFC 120mm Fan

AX860 strange ticking (Cannabinoid- Jan 17, 14, 6 Replies) Read this message
ETA on new shipment? (Skyviper- Dec 12, 13, 0 Replies) Read this message
I do not see this PSU on the MIR list (Coach_Z- May 26, 13, 3 Replies) Read this message

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Product Warranty
First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

Corsair's DRAM memory modules all carry a lifetime warranty. The Flash Voyager, Flash ReadOut, TurboFlash, Flash Survivor and Mini Flash products all have a warranty for the expected normal life of the product (10 years). The Flash Padlock has a warranty of 3 years. The HX, TX, and VX Series of Power Supplies have a 5 year warranty, and Liquid Cooling products carry a one year warranty. In general, this means Corsair products are guaranteed to operate, as specified by their datasheet, and in the operating environment for which they were intended, for the life of the product or the extent of the warranty.

For additional information and technical assitance, please visit Corsair Memory's support site at:

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Phone:  1-800-205-7657

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