Corsair RM1000x 1000W 80 Plus Gold Modular Power Supply

Corsair RM1000x 1000W 80 Plus Gold Modular Power Supply — image 1
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88%
92%
Performance
90%
Noise Level
89%
Build Quality
87%
Value for Money
88%
Cable Management
86%
Cooling Efficiency
91%
Warranty & Durability
85%
Installation Ease
93%
Energy Efficiency
82%
Compatibility
80%
Size & Form Factor
90%
Long-Term Value
More

Overview

The Corsair RM1000x 1000W 80 Plus Gold Modular Power Supply is designed to meet the power needs of high-performance PCs. This unit offers a reliable and efficient solution for users who demand stable power, especially in gaming and workstation setups. With a fully modular design, this power supply ensures cleaner cable management and better airflow inside your case. It features a 80 Plus Gold certification for energy efficiency, meaning it operates at a high level of efficiency, reducing wasted energy and lowering heat. The compact build and 135mm thermally controlled fan contribute to quieter performance, even under load.

Features & Benefits

The 1000W output of this power supply ensures that users can confidently power demanding systems, including those with multiple GPUs or high-end CPUs. With 100% Japanese capacitors, the RM1000x offers enhanced reliability and longevity, ensuring solid performance over time. One standout feature is the Zero RPM fan mode, which allows the fan to remain off during low-load conditions, keeping noise to an absolute minimum. Coupled with a 10-year warranty, this power supply offers durability and peace of mind for users looking for a long-lasting investment in their systems.

Best For

The RM1000x is best suited for users building high-performance or gaming PCs that require consistent, reliable power under heavy load. Those who prefer modular power supplies will appreciate the ease of cable management and cleaner builds this unit offers. Its power capacity and efficiency make it ideal for users with high-end components like multiple GPUs or overclocked processors. If you're looking to build a quiet system without sacrificing performance, this power supply is a top contender.

User Feedback

Users have praised this power supply for its quiet operation, especially under load, thanks to the Zero RPM fan mode. Many also highlight its ease of installation and clean cable management, which make it a favorite among builders. On the downside, some have noted that its size may be too large for smaller cases, limiting compatibility. However, its overall build quality and the 10-year warranty are frequently mentioned as key benefits, providing reassurance for users investing in a high-quality PSU.

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Pros

  • This power supply delivers stable and consistent 1000W output for high-performance systems and demanding tasks.
  • Fully modular design simplifies cable management, helping to reduce clutter and improve airflow in custom PC builds.
  • The 80 Plus Gold certification ensures energy efficiency, helping to lower electricity costs while maintaining performance.
  • Quiet operation is a highlight, especially with the Zero RPM fan mode that eliminates noise during low loads.
  • Ideal for users building powerful gaming PCs with multiple GPUs or overclocked processors, thanks to its robust power delivery.
  • The 10-year warranty provides peace of mind, offering long-term reliability and support for demanding setups.

Cons

  • This power supply might be overkill for users with less demanding setups or smaller builds, leading to wasted power capacity.
  • The large form factor could be a tight fit for smaller cases, requiring careful space planning.
  • The premium price point may be prohibitive for budget-conscious users who don’t need the full 1000W capacity.
  • While the fully modular design is beneficial for cable management, it might add complexity for beginners or first-time builders.
  • Some users report that the fan noise is noticeable at higher loads, even though the Zero RPM mode works well during idle times.
  • It might not be suitable for users with compact setups who require a more minimalist or smaller power supply solution.

Ratings

After analyzing verified user reviews worldwide, across multiple languages and platforms, the scores for the Corsair RM1000x 1000W 80 Plus Gold Modular Power Supply reflect a balanced mix of strengths and potential drawbacks. Spam, bot/incentivized, duplicated, off-topic, and exaggerated reviews were filtered out to ensure only authentic, high-quality feedback was considered. This power supply has garnered positive feedback for its performance and quiet operation, though a few users noted issues with its compatibility in smaller cases or under very high loads. Both positive and critical insights have contributed to the ratings presented below.

Performance
92%
Users consistently highlight the stable power delivery, especially during gaming or when running high-performance systems. The 1000W output is more than enough to handle demanding setups, ensuring smooth performance even under heavy loads. Gamers and professionals alike appreciate how reliable this power supply is for powering their entire system without issues.
A few users have reported occasional power dips under extremely high loads, particularly when pushing their systems to the limit with multiple GPUs or overclocking. While the vast majority of users find the performance stellar, those with ultra-demanding setups might occasionally experience minor instability.
Noise Level
90%
The quiet operation of this device is one of its standout features. Many users praise the Zero RPM fan mode, which ensures that the power supply stays completely silent during low loads. Even when the fan kicks in, the thermally controlled fan runs at a very low noise level, making it ideal for users who want a near-silent setup.
While the fan is generally quiet, some users report that it can occasionally produce a faint buzzing noise at mid-loads. This is particularly noticeable in extremely quiet environments, where even minimal sound can be heard. The noise isn't overwhelming, but it's a point of contention for a few buyers.
Build Quality
89%
The build quality is robust, with high-end materials used throughout, such as 100% Japanese capacitors that ensure long-term reliability. The fully modular design contributes to the device's clean construction, and the compact size allows it to fit into various PC builds easily. Users are generally impressed by the sturdy, durable feel of the power supply.
Some users have noted that the modular cables, while high-quality, can feel a bit stiff and difficult to bend at times, which can make cable management more challenging in tight spaces. Additionally, a few individuals report that the unit's compact size limits compatibility with larger, more complex builds.
Value for Money
87%
For the performance, efficiency, and build quality it offers, this power supply delivers excellent value for money. Users often mention the combination of 80 Plus Gold certification, 10-year warranty, and stable power output as contributing factors to its strong value. The long-term reliability, especially with the warranty, ensures peace of mind for buyers.
While many find this power supply to be worth its price, a few users feel that the cost could be a bit high compared to some other 1000W models on the market. Some buyers who don't need the full 1000W capacity or the modular design may find more affordable options that meet their needs.
Cable Management
88%
The fully modular design of this unit makes cable management a breeze. Users love the flexibility it offers, allowing them to use only the cables they need, which results in cleaner builds and better airflow. Many users also appreciate the high-quality cables that are included with the power supply.
A few buyers report that the included cables, while high-quality, can be a bit too stiff, which makes them harder to route in tight spaces. Additionally, some users noted that the cable lengths may be shorter than expected for larger cases or builds with components spread out further.
Cooling Efficiency
86%
This power supply's cooling efficiency is generally praised for its quiet yet effective operation. The 135mm fan is thermally controlled, meaning it adjusts its speed based on the load, contributing to reduced noise levels. Users have noticed that the cooling remains effective even under heavy use, keeping the system running cool and stable.
While the cooling is generally sufficient, a few users with larger or hotter-running systems feel that the power supply's cooling isn't always as robust as they would like. There are occasional reports of higher-than-expected temperatures in certain cases, particularly when the fan doesn't spin up enough under full load.
Warranty & Durability
91%
The 10-year warranty is a major selling point for users, as it assures them that this power supply is built to last. The warranty gives users confidence in the longevity of their investment. This durability is further backed by the high-quality components, such as Japanese capacitors, which ensure long-term stability.
While the warranty is a great feature, a small group of users have expressed concerns about the lengthy wait times for customer support, especially in certain regions. Some buyers feel that the process for warranty claims could be smoother and more responsive to avoid delays in case of issues.
Installation Ease
85%
Many users appreciate the ease of installation, especially due to the fully modular design. The clear labeling on the cables makes it simple to connect the right ones to the right ports. For those with a bit of experience building PCs, the setup process is quick and straightforward.
Some users who are new to building PCs or those with less experience may find the installation process a bit challenging. While the modular cables are helpful, the stiff nature of some cables and their limited length options can add extra time and frustration for these users.
Energy Efficiency
93%
Thanks to its 80 Plus Gold certification, this power supply offers impressive energy efficiency, helping users save on electricity costs while reducing their system's environmental footprint. Many users report lower energy bills after upgrading to this power supply, appreciating the long-term cost savings.
A few users have mentioned that, while the efficiency is excellent, they don't notice significant savings in power consumption, especially in systems that aren't running continuously under heavy loads. For casual users with less demanding systems, the energy savings may not be as noticeable.
Compatibility
82%
18%
The Corsair RM1000x is compatible with a wide variety of components, and many users find it to be an excellent choice for custom PC builds. It works seamlessly with most high-end GPUs, CPUs, and other components, ensuring that users get stable and reliable power for their systems.
While it generally works well with most systems, a few users have encountered compatibility issues with smaller cases or more compact builds. The large size of the unit can sometimes be a tight fit, and certain users with unique setups may need to look for alternative power supplies.
Size & Form Factor
80%
20%
The compact size of the power supply makes it easy to fit into most ATX cases, especially for those with limited space. Users who need a powerful yet small unit appreciate the balance between size and performance, as this model doesn't take up unnecessary room in the case.
However, some users with extremely compact or non-standard cases may find the size to be a bit too large. In these setups, the power supply may obstruct airflow or require additional modifications to fit properly.
Long-Term Value
90%
The combination of durability, high efficiency, and a 10-year warranty ensures that this power supply will provide long-term value. Many users report that, after several years of use, the power supply continues to perform at a high level, making it a good investment for the future.
For users who don't need the full 1000W capacity, the cost may feel a bit high for a power supply that is overbuilt for their needs. However, those who plan on upgrading their systems over time find this unit to be future-proof and well worth the investment.

Suitable for:

The Corsair RM1000x 1000W 80 Plus Gold Modular Power Supply is an excellent choice for users building high-performance gaming PCs or workstations that require stable, reliable power under heavy loads. Gamers, professionals, and PC enthusiasts who need to power high-end components, such as multiple GPUs or overclocked CPUs, will benefit from its 1000W output and fully modular design, which ensures both optimal power delivery and clean builds. The 80 Plus Gold certification guarantees energy efficiency, making this unit ideal for those looking to balance performance with cost-saving features like reduced power consumption. Users who prioritize quiet operation will also appreciate the Zero RPM fan mode, which ensures near-silent performance during low loads, making it perfect for noise-sensitive setups in home offices or gaming environments.

Not suitable for:

While the Corsair RM1000x 1000W 80 Plus Gold Modular Power Supply offers exceptional features for high-performance systems, it may not be the best fit for casual users or those with less demanding builds. Users who are not running power-hungry setups or those looking for a budget-friendly option may find its high wattage and price point excessive. Additionally, the large form factor and fully modular cables may pose challenges for those with small cases or limited cable management space. For users who don’t need the full 1000W capacity, there are more affordable and smaller power supplies available that offer sufficient performance without the premium features this model provides.

Specifications

  • Wattage: Provides 1000W of stable power for high-performance systems and gaming PCs.
  • Certification: 80 Plus Gold certification ensures high energy efficiency, reducing wasted power.
  • Modular Design: Fully modular cables allow for customized cable management and a cleaner build.
  • Fan Size: Equipped with a 135mm thermally controlled fan that adjusts speed based on temperature.
  • Cooling: Features thermally controlled fan cooling to minimize noise during operation.
  • Capacitors: Uses 100% Japanese 105°C capacitors, known for long-term reliability and high performance.
  • MTBF: Rated for a Mean Time Between Failures (MTBF) of 100,000 hours for enhanced durability.
  • Warranty: Backed by a 10-year warranty, ensuring long-term peace of mind and product support.
  • Form Factor: Standard ATX form factor, compatible with most PC cases.
  • Compatibility: Compatible with various PC components including ATX, SATA, Molex, and PCIe connectors.
  • Zero RPM Fan Mode: Zero RPM fan mode ensures silent operation under low power loads.
  • Cooling Efficiency: Delivers effective cooling while maintaining minimal noise levels during high and low loads.
  • Efficiency: Delivers high efficiency, reducing energy loss and lowering operating costs.
  • Connector Types: Includes ATX, SATA, Molex, and PCIe connectors to support a wide range of devices.
  • Size: Compact design allows for easy installation in most ATX-compatible cases.
  • Power Factor: Offers a high power factor for efficient energy use, reducing electricity consumption.
  • Noise Level: Operates quietly under load, with the fan ramping up only when necessary.
  • Protection Features: Includes over-voltage, over-current, and short-circuit protection for safe operation.
  • Operating Temperature: Designed to function effectively in temperatures ranging from 0°C to 50°C.

FAQ

The Corsair RM1000x offers high efficiency with an 80 Plus Gold certification, ensuring reliable and stable power delivery. Its fully modular design helps with cable management, reducing clutter for a cleaner and more organized PC build. Additionally, the 135mm thermally controlled fan ensures quieter operation, even under load.

Installing this power supply is straightforward, especially with the fully modular design. Start by connecting the required cables (ATX, PCIe, SATA, etc.) to your components. Mount the PSU into your case, ensuring the fan is facing in the correct direction for optimal airflow. Tighten screws, and make sure all cables are securely connected before powering on your system.

A fully modular power supply lets you only connect the cables you need, making your build cleaner and more efficient. This also improves airflow within your case and reduces cable clutter, which can contribute to better cooling and easier maintenance.

Yes, this power supply is designed to handle high-performance systems, including those with multiple GPUs. The 1000W capacity and stable power delivery ensure that even demanding setups, such as gaming rigs with multiple graphics cards, are well-supported.

Yes, the Corsair RM1000x is backed by a 10-year warranty, which provides peace of mind knowing that your investment is protected. This long warranty period is a reflection of Corsair's confidence in the product's durability and reliability.

The RM1000x has an ATX form factor, which is compatible with most standard mid- and full-tower cases. However, for smaller cases or compact builds, you may need to double-check the PSU clearance to ensure proper fitment, as its size may be too large for smaller form factors.

The RM1000x is known for its quiet operation. The 135mm thermally controlled fan only activates when necessary, and during low loads, the Zero RPM fan mode ensures near-silent operation. This makes it an excellent choice for users who prioritize quiet systems.

The Corsair RM1000x is certified with an 80 Plus Gold rating, meaning it delivers high energy efficiency. This certification ensures that more of the power drawn from the wall is converted into usable power for your system, reducing heat and minimizing wasted energy.

While the RM1000x is ideal for high-performance gaming PCs, it can also be used in non-gaming builds if you're aiming for future-proofing or building a workstation with demanding components. However, it may be overkill for more basic or low-power setups, where a smaller PSU could be more cost-effective.

While the RM1000x is generally well-reviewed, some users with compact cases have noted that its size can be a tight fit. Additionally, there have been a few reports of the fan becoming slightly noticeable under heavy loads, although it remains quieter than many competitors in its class.