CORSAIR AX Series, AX860, 860 Watt, Fully Modular Power Supply, 80+ Platinum Certified

Name: CORSAIR AX Series, AX860, 860 Watt, Fully Modular Power Supply, 80+ Platinum Certified
Brand: Unbranded
SKU: B00A0HZMKG

Status: CORSAIR AX Series: Unavailable on Amazon as of 2026-10-06 22:25 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The CORSAIR AX Series: 80+ Platinum certified, over 92% efficiency at real-world loads; main trade-off: 860W ceiling limits high-end multi-GPU or 500W+ GPU rigs.

Unavailable on Amazon as of 2026-10-06 22:25 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-07

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 80+ Platinum certified, over 92% efficiency at real-world loads
✓ Zero-RPM fanless mode stays silent at low to moderate loads
✓ Fully modular cables for clean builds and better airflow
✓ Seven-year warranty plus lifetime Corsair tech support
✓ 100,000-hour MTBF, 105C capacitors rated to run at 50C

Cons

✗ 860W ceiling limits high-end multi-GPU or 500W+ GPU rigs
✗ Built to older ATX12V v2.31, predates the ATX 3.0 spec
✗ No native 12VHPWR connector for current-gen GPUs

Manufacturer description

The Corsair AX860 power supply runs quieter, generates minimal excess heat and it’s earned the 80 Plus Platinum seal of approval, your guarantee that you’re making the right choice for smart, efficient power delivery. Because the AX860 is so efficient it operates without the fan even spinning at low and moderate loads. 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. Built with High-quality 105C capacitors and upgraded components the AX860 is rated to run at 50°C and…

SpecPicks Verdict

SpecPicks scored CORSAIR AX Series using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Compare with similarly-priced alternatives in the power supplies category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

The latest ATX12V v2.31 and EPS 2.92 standards and it is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems
Silent at low to moderate load due to high efficiency and zero RPM fanless mode. Ultra quiet at high loads with 120mm dual-ball bearing fan.A Seven year warranty and lifetime access to Corsair’s legendary technical support and customer service
80PLUS Platinum certified, delivering over 92% energy efficiency at real world load conditions.
Active Power Factor Correction (PFC) with PF value of 0.99.Over-voltage and over-current protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components.Universal AC input from 90~264V
MTBF hours:100,000 hours

Full Specifications

Brand	Corsair
Wattage	860 watts
Fan Size	120 Millimeters
MTBF hours	100,000 hours
Model Name	ax series,ax860
Unit Count	1.0 Count
Form Factor	ATX12V / EPS12V
Model Number	CP-9020044-NA
Connector Type	atx,eps
Cooling Method	Air
Output Wattage	860 Watts
Item Dimensions	15.41 x 8.87 x 5.95 inches
Mfr Part Number	CP-9020044-NA
Compatible Devices	Personal Computer
Power Supply Design	Modular
Maximum Input Voltage	220 Volts
Minimum Input Voltage	110 Volts
Item dimensions L x W x H	15.41 x 8.87 x 5.95 inches
System Bus Connector Type	ATX, EPS
Connector Type Used on Cable	atx,eps

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