Key Highlights
1200W Power
High-capacity continuous output for compatible enthusiast gaming PCs and demanding workstation configurations.
Platinum Efficiency
80 PLUS Platinum and Cybenetics Platinum efficiency certifications.
Dual GPU Power Cables
Includes two PCIe 5.1 12V-2x6 GPU power cables for compatible modern graphics cards.
Digital iCUE Control
Monitor PSU performance, adjust fan behaviour and switch between single-rail and multi-rail modes.
Introduction
The Corsair HX1200i is a high-performance 1200W power supply from Corsair's HXi Series, designed for demanding gaming systems, enthusiast PC builds and compatible workstation configurations. It combines 80 PLUS Platinum efficiency, Cybenetics Platinum certification and formal Intel ATX 3.1 compliance in a fully modular ATX design.
Its two included PCIe 5.1 12V-2x6 GPU power cables provide connectivity for compatible next-generation graphics cards. A fluid dynamic bearing fan with Zero RPM mode helps reduce fan noise at low to medium loads, while Corsair iCUE enables digital monitoring and selected PSU controls.
The HX1200i also features 100% Japanese industrial-grade electrolytic capacitors rated for 105°C and comes with a manufacturer-listed 10-year warranty. Product model: CP-9020307-IN.
Features
1200W Continuous Power
Delivers up to 1200W of continuous rated output, including up to 1200W on the +12V rail, for suitable high-performance systems.
80 PLUS Platinum Efficiency
The PSU carries 80 PLUS Platinum and Cybenetics Platinum efficiency certifications for efficient power conversion.
ATX 3.1 and PCIe 5.1
Formally certified for Intel ATX 3.1 compliance and supplied with two PCIe 5.1 12V-2x6 GPU power cables.
Fully Modular Cabling
Connect only the power cables your configuration needs, helping simplify cable routing and reduce unused cables inside the case.
Zero RPM Fan Mode
The 140mm fluid dynamic bearing fan can stop at low to medium loads to eliminate fan noise when Zero RPM mode is active.
Corsair iCUE Monitoring
Compatible Corsair iCUE software provides PSU performance monitoring, fan control and single-rail or multi-rail selection.
Technology and Design
Intel ATX 3.1 Compliance
The HX1200i is formally certified for ATX 3.1 compliance. This modern power platform is designed for compatible systems with demanding graphics cards and processors. Always check the complete system's power requirements before choosing a PSU.
Dual PCIe 5.1 12V-2x6 Connections
Two dedicated 12V-2x6 GPU power cables are included, each listed at 650mm. Their dual-colour connectors provide a visual aid for checking connection insertion. Follow the graphics card manufacturer's installation and cable-clearance guidance.
Digital Monitoring with Corsair iCUE
The compatible iCUE software allows users to monitor PSU performance, control fan speed and select single-rail or multi-rail operation. The PSU also includes an internal USB cable for connecting to a compatible motherboard USB header.
Quiet Cooling and Premium Capacitors
A 140mm fluid dynamic bearing fan with Zero RPM mode helps reduce fan noise at lower loads. Corsair specifies 100% Japanese industrial-grade electrolytic capacitors rated for 105°C and a continuous output rating at 50°C.
Technical Specifications
Recommended Use Cases
High-End Gaming PCs
A suitable option for compatible high-performance gaming builds with demanding modern GPUs and CPUs.
Enthusiast PC Builds
1200W capacity and fully modular cabling support carefully planned enthusiast configurations.
Workstations
Can suit compatible workstation systems that require substantial power and the appropriate CPU, GPU and peripheral connectors.
Quiet PC Configurations
Zero RPM mode can stop the PSU fan at low to medium loads, helping reduce system noise.
Before You Build
- Check the total power requirements of your CPU, graphics card, storage, cooling and other components before selecting a 1200W PSU.
- Verify that your graphics card supports the included 12V-2x6 cables and check its manufacturer-recommended PSU wattage.
- Fully insert each GPU power connector and follow the GPU manufacturer's cable-bending and clearance instructions.
- Use only the original Corsair cables supplied with, or explicitly approved for, this PSU. Modular PSU cables are not universally interchangeable.
- Confirm that your cabinet supports the PSU's ATX form factor and allows adequate space for the modular cables. Check the official product documentation for the exact chassis dimensions.
- For iCUE monitoring and controls, connect the included internal USB cable to a compatible motherboard USB header and install the compatible software.
- Check the motherboard's EPS requirements, particularly on workstation platforms with multiple CPU power connectors.
- Confirm the regional warranty terms and supplied power cord for the exact CP-9020307-IN unit before purchase.
Frequently Asked Questions
1. What is the rated wattage of the Corsair HX1200i?
The Corsair HX1200i has a continuous rated output of 1200W, with up to 1200W available on its +12V rail.
2. Is the Corsair HX1200i 80 PLUS Platinum certified?
Yes. It has 80 PLUS Platinum certification and a Cybenetics Platinum efficiency rating.
3. Does this PSU support ATX 3.1 and PCIe 5.1?
Yes. Corsair lists formal Intel ATX 3.1 certification and PCIe 5.1 compatibility for this model.
4. How many 12V-2x6 GPU power cables are included?
Two PCIe 5.1 12V-2x6 GPU power cables are included. Each cable is listed at 650mm. Check your graphics card's power requirements and installation instructions before connecting it.
5. Does the Corsair HX1200i support iCUE?
Yes. Compatible Corsair iCUE software can monitor PSU performance, control fan speed and switch between single-rail and multi-rail modes.
6. Does the fan stop when the PSU is under low load?
The PSU supports Zero RPM mode, which can stop the fan at low to medium loads to eliminate fan noise. Fan behaviour depends on operating conditions and settings.
7. How many SATA and PCIe 6+2-pin connectors are available?
The official cable listing specifies eight SATA connectors, five PCIe 6+2-pin connectors, six PATA peripheral connectors, two EPS 4+4-pin connectors and one 24-pin motherboard cable.
8. What is the warranty period for the Corsair HX1200i?
Corsair lists a 10-year warranty. Confirm the applicable regional terms, exclusions and service conditions for the exact product purchased.
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