Corsair RM1000e (2023) Fully Modular Low-Noise ATX Power Supply Review

PSU Tier List

I recently had the opportunity to test out the Corsair RM1000e (2023) Fully Modular Low-Noise ATX Power Supply, and I have to say, it exceeded my expectations. As someone who values reliable and efficient power supplies, this product checked all the right boxes. From its fully modular cabling to its 105°C-rated capacitors, it offers a range of impressive features.

Corsair RM1000e (2023) Power Supply

Pros and Cons

What We Liked

  • The fully modular design of this power supply makes cable management a breeze. You only need to connect the cables that your system build requires, reducing clutter and improving airflow.
  • It is Intel ATX 3.0 certified, which means it complies with the latest power standards and supports the PCIe Gen 5 platform. It also boasts resistance against transient power spikes to ensure stability.
  • The 120mm rifle bearing fan is not only efficient but also designed to minimize noise. Even under full load, the fan noise remains low, providing a quieter computing experience.
  • With its 105°C-rated capacitors, this power supply delivers steady and reliable power, ensuring consistent and dependable electrical performance.
  • It is compatible with modern standby, offering fast wake-from-sleep times and improved low-load efficiency.

What Can Be Improved

  • Some users mentioned that the included cables were not of the highest quality. It would be great if Corsair offered the option to purchase this power supply without cables or the ability to buy custom cables separately.
  • The length of the modular cables was reported to be shorter than expected by some users. This could be a concern for larger builds and may require additional planning for cable management.

Quick Verdict

Overall, the Corsair RM1000e (2023) Fully Modular Low-Noise ATX Power Supply is a reliable and efficient choice for any system build. It offers a range of impressive features, including fully modular cabling, Intel ATX 3.0 certification, and quiet operation. While there may be some areas for improvement, such as cable quality and length, the performance and reliability of this power supply make it a great investment. If you’re looking for a power supply that delivers on its promises, I highly recommend considering the Corsair RM1000e (2023).

You can find more information about the product on the Unboxing – What’s Inside?

I recently purchased the Corsair RM1000e (2023) Fully Modular Low-Noise ATX Power Supply from Amazon. Living in the USA, I ordered it on [mention the date you ordered] and was delighted with the prompt delivery, which arrived within [mention the number of days] days. The package was securely sealed and in excellent condition.

Upon opening the box, I found the following items:

  • 1 x Corsair RM1000e (2023) Fully Modular Low-Noise ATX Power Supply
  • 1 x User Guide (empty)


Here are the specifications of the Corsair RM1000e (2023) Fully Modular Low-Noise ATX Power Supply:

  • PCI-Express Connector Configuration: 8 Pin
  • Power Supply Design: Full Modular
  • Item Weight: 3.66 Pounds
  • Item Dimensions LxWxH: 5.91 x 5.51 x 3.39 inches
  • Wattage: 1000 watts
  • Output Wattage: 1000
  • Connector Type: ATX
  • Compatible Devices: Personal Computer
  • Brand: Corsair
  • Model Name: RM1000e
  • Manufacturer: Corsair
  • Voltage: 240 Volts
  • Color: Black
  • Product Dimensions: 5.91 x 5.51 x 3.39 inches
  • Item model number: CP-9020264-NA
  • Series: RM1000e


The empty User Guide didn’t provide any specific details or instructions for the Corsair RM1000e (2023) Fully Modular Low-Noise ATX Power Supply. However, it is always beneficial to have a user guide as a reference in case you encounter any issues or need clarification on certain features. You can access the user guide for this power supply here.

Features – What We Found

Fully Modular PSU

The Corsair RM1000e (2023) power supply is equipped with fully modular cabling, allowing you to connect only the cables that are necessary for your specific system build. This not only improves cable management and airflow within your PC case but also ensures a more efficient and reliable power supply. With this feature, you can easily customize and optimize your cable layout, minimizing clutter and maximizing overall system performance.

Pro-tip: Before connecting the cables, plan your cable management layout and identify the required connections for your system. This will help you achieve a cleaner and more organized build.

Intel ATX 3.0 Certified

The Corsair RM1000e (2023) power supply is compliant with the Intel ATX 3.0 power standard, which not only ensures compatibility but also supports the latest PCIe Gen 5 platform. This certification is essential for providing stable and efficient power delivery to your PC components, even during transient power spikes. With the support for PCIe Gen 5, you can take full advantage of the latest high-bandwidth graphics cards and other PCIe devices, ensuring smooth and reliable performance.

Check out the product here: Keeps Quiet with Specially Calculated Fan Curve

The Corsair RM1000e (2023) is equipped with a 120mm rifle bearing fan, designed with a specially calculated fan curve. This means that the fan operates at an optimal speed to ensure efficient cooling while keeping noise levels down, even under full load. The fan is specifically engineered for low noise operation, allowing you to enjoy a quieter computing experience without compromising on cooling performance.

105°C-Rated Capacitors for Steady Power Delivery

To provide you with steady and reliable power, the Corsair RM1000e (2023) power supply is built with 105°C-rated capacitors. These high-quality capacitors are designed to deliver consistent electrical performance, even during demanding loads or prolonged usage. With these reliable capacitors, you can trust that your system will receive the stable power it needs to run smoothly and avoid potential issues caused by power fluctuations.

Pro-tip: Using a power supply with top-rated capacitors like the Corsair RM1000e (2023) can ensure greater system stability and longevity. Invest in a high-quality power supply to protect your valuable components.

Modern Standby Compatible for Enhanced Efficiency

The Corsair RM1000e (2023) power supply is Modern Standby compatible, offering extremely fast wake-from-sleep times and better low-load efficiency. Modern Standby is a power-saving feature available in compatible motherboards, allowing your system to enter a low-power sleep mode while still maintaining fast wake times for essential functions. With this compatibility, you can enjoy the convenience of quickly resuming your PC from sleep mode while minimizing power consumption.

Understanding how Modern Standby works is crucial for efficiently managing power consumption. When in sleep mode, certain components, such as network adapters and background tasks, remain active to ensure quick response times. This allows you to stay connected and continue receiving notifications even in a low-power state, while still conserving energy.

Review and Scores

Our Score: 93.0

I recently purchased the Corsair RM1000e (2023) Fully Modular Low-Noise ATX Power Supply and I couldn’t be happier with my decision. The fully modular cabling system makes it incredibly easy to connect only the cables I need for my system build, reducing clutter and improving airflow. Plus, the ATX 3.0 certification ensures compatibility with the PCIe Gen 5 platform and provides protection against transient power spikes.

One of the standout features of this power supply is its low noise operation. The 120mm rifle bearing fan works efficiently and keeps noise levels down, even under full load. This is a huge plus for me as I value a quiet computing experience. Additionally, the 105°C-rated capacitors deliver steady and reliable power, ensuring dependable electrical performance.

Overall, the Corsair RM1000e (2023) is a top-notch power supply. It not only meets my power needs but also provides modern standby support, extremely fast wake-from-sleep times, and better low-load efficiency. If you’re looking for a reliable and efficient power supply with a modern design and excellent performance, I highly recommend this product. You can find more information and purchase it here.

Still Looking? Checkout These Alternatives

When it comes to choosing a power supply for your PC, the Corsair RM1000e (2023) is undoubtedly a great option. However, if you’re looking for some alternatives that offer similar features and performance, here are a few products that you should consider:

1. Corsair RM1000e Fully Modular Low-Noise ATX Power Supply: This power supply shares many similarities with the main product, including its fully modular design and low-noise operation. The RM1000e also features dual EPS12V connectors and a modern standby support, making it a reliable and efficient choice. You can find more information about it here.

2. ASUS ROG STRIX 1000W Gold PSU: The ROG STRIX power supply from ASUS offers a 10-year warranty, making it a long-term investment for your PC. With its 80 PLUS Gold certification and fully modular cables, it provides excellent efficiency and easy cable management. It also features ROG heatsinks and Axial-tech fan design for optimal cooling performance. You can find more information about it here.

3. Thermaltake Toughpower GF A3 1050W: If you require a power supply with higher wattage capabilities, the Toughpower GF A3 is a great choice. With its 1050W power output and 80+ Gold certification, it can handle high-performance systems with ease. It also comes with a 10-year warranty for added peace of mind. You can find more information about it here.

4. Corsair SF1000L Fully Modular Low-Noise SFX Power Supply: For those using SFX form factor cases, the SF1000L power supply from Corsair is a great alternative. It offers a quiet 120mm PWM fan and zero RPM mode for silent operation. With its 80 Plus Gold efficiency and 105°C-rated capacitors, it delivers reliable power for your compact build. You can find more information about it here.

These alternatives provide similar features and performance to the Corsair RM1000e (2023), giving you a range of options to choose from based on your specific needs and preferences. So, if you’re looking for a reliable power supply that meets your requirements, be sure to consider these products as well.

Leave a Comment