Corsair
HX1200i
Best high-wattage power supply for enthusiast-grade, next-generation gaming builds.
Experience peak performance with the Corsair HX1200i, a fully modular ATX power supply designed for high-end PCs. Its Ultra-Low Noise Platinum efficiency ensures quiet operation and optimal power delivery. Built with 105°C Japanese capacitors and a Fluid Dynamic Bearing fan with Zero RPM mode, it offers exceptional durability and silence. Fully compatible with the latest NVIDIA 4000 series and AMD Ryzen 7000 series GPUs, and ATX 3.1 & PCIe 5.1 certified, this PSU is ready for next-generation hardware. Enjoy integrated system control with iCUE compatibility and peace of mind with a 10-year warranty.
$319.99
Owner Satisfaction
4.7
/ 5
Category Rank
28
/ 1062
#28 in Computer Power Supplies
Price vs Category Average
-66%
Below average
Wattage
1200
/ Watts
Who it's for
- Power users running high-end workstations or overclocked gaming rigs
- Data-driven enthusiasts who enjoy monitoring system performance in real time
- Quiet-computing fans who prioritize silence during light desktop tasks
Who should skip it
- Budget-focused builders looking to maximize their component spending
- Mainstream gamers with standard hardware that requires less wattage
- Small-form-factor enthusiasts restricted by limited chassis space
Performance breakdown
Power Capacity
Massive 1200W output handles the most demanding enthusiast-grade hardware configurations.
Acoustic Performance
Zero RPM mode ensures near-silent operation during light to moderate workloads.
Build Reliability
Japanese capacitors and a decade-long warranty guarantee long-term system stability.
Future Readiness
ATX 3.1 and PCIe 5.1 certification supports the latest high-end GPUs.
Cable Management
Fully modular design allows for clean, clutter-free builds in any chassis.
System Monitoring
iCUE integration provides precise, real-time control over power delivery and thermals.
Key Specs
Wattage
1200 Watts
Efficiency Rating
80 Plus Platinum
Fan Bearing Type
Fluid Dynamic Bearing
Zero RPM Mode
Yes
Capacitors
105°C rated 100% Japanese electrolytic capacitors
Warranty
10 year
Certifications
ATX 3.1 & PCIe 5.1 certified
Modularity
Fully Modular
Features
- Supports latest NVIDIA 4000 & AMD Ryzen 7000 GPUs
- Ultra-quiet operation with Zero RPM fan mode
- Premium Japanese capacitors for longevity
- ATX 3.1 and PCIe 5.1 certified
- Fully modular for clean builds
- iCUE enabled for system control
- Exceptional 1200 Watt power output
- 10-year warranty for reliability
What customers say
Customers consistently praise the Corsair HX1200i for its exceptional reliability and robust build quality. Users frequently highlight its stable power delivery, ensuring peace of mind for high performance systems. The fully modular design also contributes to an easy and clean installation experience, further enhancing its appeal. Many appreciate the quiet operation, even under significant load, underscoring its premium construction. While a significant investment, its long term performance and durability are often cited as key justifications, making it a trusted choice for demanding PC builds.
Know before you buy
Yes. It is fully ATX 3.1 and PCIe 5.1 certified, meaning it is specifically engineered to handle the power requirements of modern hardware like the NVIDIA 4000 series and AMD Ryzen 7000 series GPUs.
The Zero RPM mode allows the power supply fan to remain completely stationary during low to medium loads. This ensures silent operation for tasks like web browsing or light office work, only spinning up when the system temperature increases.
A fully modular design allows you to connect only the cables your system actually needs. This significantly reduces cable clutter inside your case, which improves airflow and makes your build look much cleaner.
Yes, the HX1200i is iCUE enabled. By connecting it to your motherboard, you can use Corsair’s iCUE software to monitor real-time power delivery, efficiency, and fan speeds directly from your desktop.
The unit is built with 100% Japanese 105°C electrolytic capacitors, which are industry-standard for high durability and thermal stability. This build quality is backed by a 10-year warranty, ensuring long-term reliability for your system.
1200 Watts is generally intended for high-end workstations or extreme gaming rigs with multiple GPUs or power-hungry processors. If you are running a mid-range system, you may not need this much overhead, but it does provide excellent efficiency and future-proofing for major hardware upgrades.
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