Corsair
AX860 ATX Power Supply
Best high-efficiency power supply for demanding, quiet-focused gaming PC builds.
The Corsair AX860 is an 860-watt ATX power supply unit designed for high-performance systems. It boasts 80 PLUS Platinum-certified efficiency, ensuring less energy waste and lower operating costs. For quiet operation, it features a Zero RPM mode that stops the fan at low loads. This fully modular PSU offers a clean build with its low-profile, all-black cables and comes with a 7-year warranty for reliability. Its compact dimensions make it suitable for various PC builds.
$194.99
Owner Satisfaction
4.5
/ 5
Category Rank
321
/ 1062
#321 in Computer Power Supplies
Price vs Category Average
-79%
Below average
EPS Connector
2
Who it's for
- Eco-conscious users seeking lower energy costs and reduced system heat
- System builders prioritizing clean aesthetics and streamlined cable management
- Reliability-focused enthusiasts demanding long-term component stability and durability
Who should skip it
- Budget-conscious shoppers looking for more affordable power supply options
- Casual users with standard builds that do not require high wattage
- Compact PC builders restricted by limited internal chassis space
Performance breakdown
Energy Efficiency
Platinum certification ensures minimal power waste during high-intensity computing tasks.
Acoustic Performance
Zero RPM mode keeps your workspace silent during light desktop usage.
Cable Management
Fully modular design simplifies installation and keeps internal airflow completely unobstructed.
Build Durability
Dual ball bearing fan and high MTBF rating ensure long-term reliability.
System Compatibility
Standard ATX form factor fits seamlessly into most modern gaming chassis.
Multi-GPU Support
Ample PCIe connectors easily handle demanding dual-graphics card configurations.
Key Specs
EPS Connector
2
SATA Connector
12
Fan Bearing Technology
Dual Ball Bearing
Dimensions
150mm x 86mm x 160mm
Modular
Fully
PSU Compatibility
ATX12V v2.4 and EPS12V 2.92 standards
Cable Type
Low-Profile, All Black
Floppy Connector
2
Features
- 80 PLUS Platinum certified efficiency for reduced energy waste and lower costs.
- Zero RPM mode for silent operation at low system loads.
- Fully modular design with low-profile, all-black cables for clean builds.
- High reliability with a 100,000-hour MTBF rating.
- Dual Ball Bearing fan for enhanced durability and performance.
What customers say
Customers consistently praise the Corsair AX860 ATX Power Supply for its exceptional reliability and remarkably quiet operation. Many users highlight its consistent, stable power delivery, making it a dependable foundation for high performance systems. The fan often remains silent under typical loads, contributing significantly to a peaceful computing environment. Its robust build quality further reinforces a sense of long term durability, ensuring peace of mind for consumers seeking a premium power solution. This unit is frequently lauded for its steadfast performance and unobtrusive presence.
Know before you buy
The 80 PLUS Platinum certification indicates that this power supply is highly efficient, meaning it wastes less energy as heat compared to lower-rated units. Over time, this efficiency can lead to lower electricity costs and cooler operation for your system.
The Zero RPM mode allows the 140mm fan to remain completely stationary during low-to-medium system loads. This ensures silent operation when you are performing light tasks, with the fan only spinning up once the power supply reaches a specific temperature or load threshold.
Yes, the AX860 is multi-GPU ready and includes six PCIe connectors to support high-performance graphics configurations. With 860 watts of continuous power, it provides ample headroom for demanding builds.
A fully modular design allows you to connect only the cables you actually need for your specific components. This reduces cable clutter inside your case, which improves airflow and makes for a much cleaner, professional-looking build.
Yes, the AX860 follows the standard ATX form factor with dimensions of 150mm x 86mm x 160mm. It is compatible with most mid-tower and full-tower cases that support standard ATX power supplies.
The unit features a dual ball bearing fan, which is engineered for high durability and a longer lifespan compared to standard sleeve bearing fans. Combined with a 100,000-hour MTBF rating, this PSU is built for long-term, consistent performance.
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$195