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In stock on December 6, 2020.
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Return policy: Returnable until Jan 31, 2021
For the 2020 holiday season, returnable items shipped between October 1 and December 31 can be returned until January 31, 2021.
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3 Year Office Equipment Protection Plan

from Asurion, LLC
  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Plan starts on the date of purchase. Malfunctions covered after the manufacturer's warranty. Power surges covered from day one.
  • EXPERT TECH HELP: Real experts available 24/7 to help with set-up, connectivity issues, troubleshooting and much more.
  • PRODUCT ELIGIBILITY: Plans cover products purchased in the last 30 days.
  • EASY CLAIMS PROCESS: File a claim anytime online or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.

Corsair AX Series, AX850, 850 Watt, 80+ Titanium Certified, Fully Modular Power Supply

4.7 out of 5 stars 1,836 ratings

List Price: $254.99
Price: $242.40 & FREE Shipping. Details & FREE Returns
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You Save: $12.59 (5%)
80+ Titanium
850 Watts
AX
Brand Corsair
Output Wattage 850 Watts
Wattage 850 Watts
Cooling Type Air
Power Supply Design Full Modular

About this item

    This fits your .
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  • 80+ Titanium Certified for the highest level of efficiency and performance
  • Zero RPM fan mode for near-silent operation at low to medium loads
  • World Class electrical performance for incredibly stable voltages and ultra-low ripple noise
  • 135mm cooling fan with true FDB Bearing delivers Low-Noise operation even at demanding loads
  • Three-color customizable magnetic side labels let you choose your PSU's style to match your build

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  • Corsair AX Series, AX850, 850 Watt, 80+ Titanium Certified, Fully Modular Power Supply
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From the manufacturer

AX850

World Class Electrical Performance

Superior voltage regulation and minimal ripple/noise ensures the highest quality and most consistent power for your PC, keeping your system stable and unlocking your motherboard’s true potential for overclocking.

AX850

80 Plus Titanium Certified

The AX850 delivers power at up to 94% efficiency, lowering energy consumption, noise, temperatures, and your power bill.

Certification ID: 5290

AX850

100% Japanese 105°c Capacitors

By using high-end electrolytic capacitors, AX Series power supplies offer the unwavering power and long-term reliability you demand from CORSAIR.

AX850

Zero RPM Fan Mode

The AX Series’ cooling fan doesn’t spin until you need it, for near-silent operation at low and medium loads.

AX850

135mm Cooling Fan

Immensely powerful airflow, low noise operation and longer life thanks to a true Fluid Dynamic Bearing (FDB) fan.

AX850

Fully Modular Cables

Use only the cables you need for quick and easy installation, with stylish sleeving to simplify routing and cable management. Store your unused cables in the included cable bag.

AX850

Customizable Magnetic Side Labels

Customize your PSU to match your system’s style with three included magnetic side labels in red, white or blue.

Learn How To Install


Fully modular power supplies by CORSAIR make installation quick and easy. Decreasing the time it takes to build by only using the cables you need for your system and increasing the degree of customization in your system with a wide variety of different cable colors options.

Product description

Color:80+ Titanium  |  Size:850 Watts  |  Style:AX

CORSAIR ax series fully modular power supplies deliver 80+ Titanium efficient power and ultra-low-noise operation to complete your most ambitious builds The highest quality internal components and all-Japanese 105 Degree rated capacitors provide the tightest voltage regulation and lowest ripple noise delivering only the highest quality power to your PC A 135mm fluid-dynamic bearing fan with Zero RPM mode only turns on when needed ensuring virtually silent operation at low and medium loads Fully modular flattened cables make building or upgrading your PC easy as you only need to install the cables your systems requires With the strength of 80+ Titanium efficiency and the subtlety of near-silent operation the CORSAIR ax series is ready to power the world's best PCs for years to come Tech support 1-888-222-4346 opt 1


Product information

Color:80+ Titanium  |  Size:850 Watts  |  Style:AX

Technical Details

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
1,836 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on September 1, 2017
Color: 80+ PlatinumSize: 750 WattsStyle: HXVerified Purchase
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123 people found this helpful
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Reviewed in the United States on November 26, 2017
Color: 80 PLUS PlatinumSize: 1000 WattsStyle: HXiVerified Purchase
121 people found this helpful
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Reviewed in the United States on April 18, 2018
Color: 80 PLUS PlatinumSize: 1000 WattsStyle: HXiVerified Purchase
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33 people found this helpful
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Reviewed in the United States on May 30, 2020
Color: 80 PLUS PlatinumSize: 1000 WattsStyle: HXiVerified Purchase
10 people found this helpful
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Reviewed in the United States on November 30, 2018
Color: 80 PLUS PlatinumSize: 1200 WattsStyle: HXiVerified Purchase
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17 people found this helpful
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Top reviews from other countries

R. Bourne
3.0 out of 5 stars Not happy!!
Reviewed in Canada on February 27, 2020
Color: 80 PLUS PlatinumSize: 1200 WattsStyle: HXiVerified Purchase
7 people found this helpful
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J M B.
3.0 out of 5 stars Good brand but cables could and should be better...
Reviewed in Canada on August 3, 2018
Color: 80 PLUS PlatinumSize: 850 WattsStyle: HXiVerified Purchase
5 people found this helpful
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Sam
1.0 out of 5 stars Capacity quickly diminishing. Shutting down by itself with less than 42 percent load.
Reviewed in Canada on December 17, 2017
Color: 80 PLUS PlatinumSize: 1200 WattsStyle: HXiVerified Purchase
8 people found this helpful
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roopster
5.0 out of 5 stars Packaging a mess, but product survived!
Reviewed in Canada on May 16, 2020
Color: 80 PLUS PlatinumSize: 750 WattsStyle: HXiVerified Purchase
One person found this helpful
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Rickyrick32
5.0 out of 5 stars If you need a high power PSU this is a no brainer
Reviewed in Canada on May 17, 2018
Color: 80 PLUS PlatinumSize: 1200 WattsStyle: HXiVerified Purchase
2 people found this helpful
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