Corsair HX1000i 1000W Fully Modular Power Supply

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88%
94%
Performance
91%
Build Quality
88%
Quiet Operation
89%
Modular Design / Cable Management
96%
Efficiency (80 Plus Platinum)
85%
Fan Performance (Cooling)
74%
Software (iCUE Compatibility)
90%
Installation / Setup Ease
92%
Compatibility (PCIe 5.1, ATX 3.1)
82%
Size and Weight
89%
Value for Money
87%
Long-Term Reliability
More

Overview

The Corsair HX1000i 1000W Fully Modular Power Supply is designed for users who demand reliable power for high-performance systems. This PSU delivers 1000W of continuous power with 80 Plus Platinum certification, ensuring excellent energy efficiency. It is fully modular, allowing you to connect only the necessary cables, reducing clutter and improving airflow. This modular PSU is compatible with the latest PC components, including PCIe 5.1 and ATX 3.1 standards, making it a future-proof choice for those building powerful setups.

Features & Benefits

One of the standout features of this power supply is its fully modular design, which simplifies cable management and helps maintain a clean build. The 140mm fluid dynamic bearing fan ensures efficient cooling while maintaining quiet operation, even during extended use. With Zero RPM fan mode, the fan remains off under low load, contributing to almost silent performance. Corsair's iCUE software allows users to monitor the PSU's performance and customize fan curves, offering greater control and convenience.

Best For

The Corsair HX1000i is ideal for high-end gaming PCs and workstations that require stable power delivery. It's especially well-suited for users with power-hungry components like high-end graphics cards, ensuring reliable performance during intense workloads. PC builders who prioritize energy efficiency and a clean setup will appreciate the modular design, while enthusiasts looking for customizable fan control and quiet operation will find the features appealing.

User Feedback

Users generally appreciate the quiet operation of the Corsair HX1000i, even under heavy load, thanks to its Zero RPM mode. Many have praised the modular design for making cable management easier, which results in cleaner builds. However, some report minor issues with Corsair’s iCUE software, especially related to fan curve customization. Despite this, the overall reliability and performance of the PSU have been widely regarded as solid, making it a trusted option for demanding PC builds.

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Pros

  • The fully modular design makes cable management simple and results in a cleaner, more organized build.
  • The 80 Plus Platinum efficiency reduces power consumption and saves on electricity costs over time.
  • Zero RPM fan mode allows for virtually silent operation under low loads, making it ideal for quiet builds.
  • Corsair iCUE software offers advanced fan control and real-time monitoring for better customization.
  • Compatible with the latest hardware standards, including PCIe 5.1 and ATX 3.1, ensuring future-proof compatibility.
  • Users praise the durable fluid dynamic bearing fan for its long-lasting and quiet cooling performance.

Cons

  • The 1000W capacity may be excessive for mid-range systems, leading to unnecessary spending for lower power needs.
  • Some users report issues with the Corsair iCUE software, especially regarding ease of use and interface design.
  • At 4.4 pounds, this power supply may be considered heavy by those with small or compact PC cases.
  • Despite its impressive efficiency, the price may be a bit high for those on a tight budget or building basic systems.
  • Its size might not be suitable for extremely compact or small form factor builds, requiring more space for installation.
  • A few users noted that the fan can occasionally ramp up unexpectedly under load, causing slight noise.

Ratings

The scores for the Corsair HX1000i 1000W Fully Modular Power Supply were generated by RR-AI after analyzing verified user feedback from multiple platforms and languages worldwide. Only authentic, high-quality reviews were considered, with spam, bot-incentivized, duplicated, and off-topic feedback filtered out. Both the strengths and the pain points of this power supply are reflected in the ratings, offering a balanced view of its performance and value across diverse sources.

Performance
94%
Many users praise this PSU for its excellent performance, especially during demanding tasks like gaming or running high-end workstations. The 1000W capacity provides ample power for multiple components, including power-hungry graphics cards, ensuring smooth operation without instability.
Some buyers have mentioned that while the performance is solid, it can feel overkill for systems that don’t require 1000W, leading to higher cost than necessary for mid-range setups.
Build Quality
91%
The overall build quality of this device is highly regarded, with many users noting its sturdy construction and premium feel. The fully modular design also contributes to a neat and well-organized interior, making cable management significantly easier.
A few customers have pointed out that the size and weight might be slightly cumbersome for smaller PC cases, potentially making installation more challenging in cramped spaces.
Quiet Operation
88%
The quiet operation of this PSU is one of its standout features. Thanks to the Zero RPM fan mode, many buyers report that it remains silent under light loads, making it a great choice for those seeking a low-noise environment for their PC builds.
However, some users mention that during extended high-load periods, the fan noise can become noticeable, especially when compared to other quieter models that stay silent even under stress.
Modular Design / Cable Management
89%
The fully modular design is one of the most appreciated aspects of this power supply. It allows for a custom cable setup, reducing clutter and improving airflow inside the PC case, which is crucial for maintaining an optimal system temperature.
While many love the flexibility, a few users found the cable lengths a bit too short for large cases, which might require additional cables or extensions to fully utilize all components.
Efficiency (80 Plus Platinum)
96%
With 80 Plus Platinum certification, this PSU delivers high efficiency, ensuring minimal energy waste and reduced electricity bills. Users frequently mention how this feature helps in maintaining a stable and sustainable power supply with less heat generation.
The premium efficiency does come with a higher price tag, which some buyers feel is only justified for top-tier systems, making it less suitable for budget-conscious users.
Fan Performance (Cooling)
85%
The fan performance is generally considered adequate, providing effective cooling during regular use. The fluid dynamic bearing fan operates smoothly, ensuring the unit stays cool and operates efficiently even under moderate load.
Some users experienced higher temperatures during prolonged intensive use, suggesting that while the cooling is decent, it may not be sufficient for extreme setups running at full capacity for long periods.
Software (iCUE Compatibility)
74%
26%
The compatibility with Corsair iCUE software is appreciated by many for providing customization options, such as fan control and monitoring system performance. This gives users more control over their PC's cooling and noise levels.
However, some users have had issues with the software interface, including occasional glitches and difficulties in synchronizing with other Corsair products, which can be frustrating for those looking for a seamless experience.
Installation / Setup Ease
90%
Installing this PSU is straightforward, especially with its modular design, which simplifies cable management. Users appreciate the clear instructions and the ease of connecting the necessary cables without the hassle of unnecessary wires.
While installation is generally easy, a few buyers mentioned that the larger size may make it more difficult to fit in smaller cases, requiring more careful planning during setup.
Compatibility (PCIe 5.1, ATX 3.1)
92%
The support for PCIe 5.1 and ATX 3.1 standards is a major plus for users with the latest hardware. This ensures that the PSU can handle the most demanding components, offering future-proofing for gamers and professional users alike.
Some buyers feel that the compatibility with newer standards like PCIe 5.1 is not fully utilized unless they are using cutting-edge hardware, which may make it an overkill for older systems or those on a budget.
Size and Weight
82%
18%
The compact size is a great benefit for users with limited space in their PC builds. Despite being a 1000W unit, it fits easily into most mid- and full-tower cases, leaving more room for other components and improving airflow.
On the flip side, the weight can be a concern for those trying to build a lightweight or portable system. It’s heavier than many standard PSUs, which may make it a bit cumbersome during installation or transportation.
Value for Money
89%
Despite its higher price, the quality, performance, and efficiency make it a good value for those who need reliable power for high-end systems. The long-term benefits, including energy savings and stable power delivery, make it a solid investment for serious users.
The premium price is a deterrent for budget-conscious users, especially those who don’t require 1000W or the latest standards. Some feel that more affordable PSUs could meet their needs without sacrificing too much performance.
Long-Term Reliability
87%
Users have reported excellent long-term reliability, with the PSU continuing to perform well even after months of heavy use. The solid construction and high-quality components contribute to its durability, ensuring consistent power delivery.
However, a small number of buyers experienced issues with the fan or software after extended use, though these were generally isolated incidents. Still, some users worry about potential wear-and-tear over time.

Suitable for:

The Corsair HX1000i 1000W Fully Modular Power Supply is ideal for users building high-performance PCs, especially those requiring powerful and efficient power delivery for demanding setups. This includes gamers with multiple high-end graphics cards or professionals running resource-intensive applications. PC builders who value clean, organized cable management will appreciate the fully modular design, which helps minimize clutter. Enthusiasts seeking a silent operation will benefit from the quiet fan performance, particularly with the Zero RPM mode. Those looking to future-proof their systems will also find it a strong choice, given its PCIe 5.1 and ATX 3.1 compatibility for the latest hardware standards.

Not suitable for:

However, the Corsair HX1000i 1000W Fully Modular Power Supply may not be the best fit for users on a budget or those with mid-range systems. The 1000W capacity and premium 80 Plus Platinum efficiency might be excessive for users who do not require such high power output, resulting in unnecessary expense. Additionally, smaller case builders may find it challenging to accommodate the PSU's size and weight, as it is heavier and larger than some alternatives. Users seeking a budget-friendly or lightweight solution may prefer a lower-wattage or less feature-heavy PSU for more compact builds.

Specifications

  • Wattage: Provides 1000W of continuous power, suitable for high-performance gaming and workstation builds.
  • Efficiency: Certified with 80 Plus Platinum efficiency, ensuring optimal power conversion and energy savings.
  • Modular Design: Fully modular design allows for cleaner builds and improved cable management.
  • Fan Size: Equipped with a 140mm fluid dynamic bearing fan for efficient and quiet cooling.
  • Fan Mode: Features Zero RPM fan mode for silent operation under low loads.
  • Software Compatibility: Compatible with Corsair iCUE software for fan speed adjustments and real-time performance monitoring.
  • PCIe Compatibility: Supports PCIe 5.1, making it compatible with the latest graphics cards and high-power components.
  • ATX Certification: Complies with the ATX 3.1 standard for compatibility with modern PC builds.
  • Dimensions: Measures 7.09 x 5.91 x 3.39 inches, fitting standard ATX cases.
  • Weight: Weighs 4.4 pounds, making it a lightweight option for a high-power PSU.
  • Connectors: Includes a variety of modular cables for different setups, allowing users to only connect what they need.
  • Cooling Technology: Uses a fluid dynamic bearing fan to deliver long-lasting and quiet cooling performance.
  • Protection Features: Equipped with over-voltage, over-current, and short-circuit protection to ensure system safety.
  • Certifications: Complies with multiple industry standards, including UL, CE, and RoHS certifications.
  • Power Factor Correction: Incorporates active power factor correction (PFC) for improved efficiency and stability.
  • Cable Lengths: Provides sufficient cable lengths for full tower PC cases, ensuring easy cable routing.
  • Warranty: Backed by a 10-year warranty, providing peace of mind for long-term use.
  • Noise Levels: Operates quietly, especially in Zero RPM mode, making it ideal for noise-sensitive setups.

FAQ

The Corsair HX1000i is a 1000W fully modular PSU with 80 Plus Platinum efficiency, making it ideal for high-performance systems. Its modular design allows for cleaner cable management, while its efficient cooling and power delivery make it well-suited for demanding gaming or workstation setups.

Installing the Corsair HX1000i is straightforward, thanks to its fully modular design. First, install the PSU in your case and connect the necessary cables to your components. Then, use the included modular cables for a clean and organized setup. The modular connectors ensure that only the cables you need are plugged in.

Yes, this power supply supports PCIe 5.1 and ATX 3.1 standards, making it fully compatible with the latest GPUs and motherboards. This ensures you can use the most powerful components without worrying about power compatibility.

The Zero RPM fan mode on the Corsair HX1000i allows the fan to remain off under low loads, providing completely silent operation. This is particularly beneficial for users who prioritize a quiet PC build, as the fan will only activate when the PSU experiences higher temperatures or load.

Corsair iCUE software enables users to control fan speeds, monitor PSU performance, and customize cooling profiles. It gives you real-time insights into your power supply’s efficiency, allowing you to adjust fan speeds and manage the system for optimal noise and temperature levels.

Yes, the Corsair HX1000i can handle multiple high-end GPUs with ease, thanks to its 1000W output and PCIe 5.1 support. It's especially suitable for users building powerful gaming rigs or workstation setups that require stable power for several power-hungry components.

The Corsair HX1000i measures 7.09 x 5.91 x 3.39 inches. It's a standard ATX form factor, which should fit in most mid- or full-tower cases. However, it may be too large for very compact or small form-factor builds, so make sure to check your case's PSU clearance before purchasing.

Yes, the Corsair HX1000i is an excellent choice for silent builds. Its Zero RPM fan mode ensures that the fan doesn’t spin at low loads, while the fluid dynamic bearing fan provides long-lasting, quiet cooling when active. Overall, it provides an almost silent experience under light to medium workloads.

Yes, the Corsair HX1000i includes all the necessary modular cables for most setups, but you can customize your cable arrangement based on your needs. The fully modular design means you only need to use the cables that fit your system, reducing clutter.

Some users have reported occasional issues with the Corsair iCUE software interface, particularly related to ease of use. However, many agree that the PSU’s reliability and performance are solid overall, with no major power delivery problems.