Corsair HX1500i Fully Modular ATX PSU
Overview
Unleash Your System's Potential with the Corsair HX1500i
The Corsair HX1500i is a flagship power supply engineered for enthusiasts, content creators, and gamers who demand uncompromising performance and reliability. With a massive 1500W continuous output on a single +12V rail, this ATX PSU provides abundant headroom for the most power-hungry CPUs, GPUs, and overclocking configurations. Whether you're building a multi-GPU workstation or a top-tier gaming rig, the HX1500i ensures stable, clean power delivery under any load.
Key Features
- 80 PLUS Platinum Efficiency: Achieves up to 92% efficiency at 115VAC and 94% at 230VAC, reducing heat and energy waste.
- Fully Modular Design: Connect only the cables you need for a clean, clutter-free build with easy cable management.
- 140mm Fluid Dynamic Bearing Fan: Whisper-quiet operation with Zero RPM Mode, keeping the fan completely silent during low to medium loads.
- Comprehensive Protections: Hardware-based OVP, UVP, OPP, OCP, OTP, and SCP safeguards your valuable components.
- Versatile Connectivity: Includes 1x 24-pin ATX, 2x 8-pin EPS12V, 8x 6+2-pin PCIe, 16x SATA, 5x Molex, and 1x floppy adapter for extensive compatibility.
Performance and Reliability
The HX1500i uses high-quality Japanese capacitors and a robust DC-DC conversion design to deliver tight voltage regulation and low ripple. Its single +12V rail provides up to 1500W of power, ensuring stable performance even during transient spikes from modern GPUs. The Zero RPM fan mode keeps the PSU silent when idle, and the fan only spins up under heavy load, balancing acoustics and thermals perfectly.
Who Is It For?
This PSU is ideal for power users running multiple high-end graphics cards, overclocked CPUs, or professional workstations that require sustained, reliable power. It's also a future-proof investment for upcoming hardware generations, offering ample headroom for years to come.
Build Quality and Aesthetics
The HX1500i features a sleek black finish, a compact 180mm length that fits most ATX cases, and fully modular cables with a flat design for easy routing. The included Corsair Link (or iCUE) compatibility allows digital monitoring of power delivery and efficiency via software, giving you real-time insights into your system's power usage.
In summary, the Corsair HX1500i combines cutting-edge efficiency, silent operation, and robust build quality, making it the ultimate choice for those who settle for nothing less than the best.
Key Specifications
Detailed Parameters
- Rated Power Output in Watts:
- 1500
- Form Factor:
- ATX, EPS
Pros
- High 1500W capacity with single +12V rail
- 80 PLUS Platinum efficiency for lower heat and energy savings
- Fully modular design simplifies cable management
- Zero RPM fan mode ensures silent operation at low loads
- Comprehensive protections safeguard components
Cons
- Large physical size may not fit compact cases
- Premium price point compared to lower-wattage PSUs
- Cables are not individually sleeved (flat ribbon style)

