Corsair RM750x 750W Fully Modular ATX Power Supply

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89%
94%
Quiet Operation
91%
Build Quality
88%
Ease of Installation
96%
Energy Efficiency
89%
Cable Management
90%
Reliability and Longevity
85%
Compatibility
92%
Noise Levels under Load
87%
Performance under Stress
80%
Customer Support
90%
Long-Term Value
85%
Price-to-Performance Ratio
More

Overview

The Corsair RM750x 750W Fully Modular ATX Power Supply is designed for users seeking high efficiency and reliable power in their builds. Offering a 750W output, this modular PSU ensures that only the necessary cables are connected, reducing clutter and improving airflow. The 80 PLUS Gold certification guarantees excellent energy efficiency, while its zero RPM fan mode ensures near-silent operation at low to medium loads. Its compact design makes it ideal for easy installation in mid and full tower cases, providing versatility without compromising on power or performance.

Features & Benefits

With its 80 PLUS Gold rating, the RM750x delivers high energy efficiency, helping users save on electricity bills while ensuring stable power for demanding systems. The fully modular cable system enhances the cleanliness of your build, improving airflow and reducing cable clutter. Equipped with a 135mm fan and a specially optimized fan curve, this power supply operates quietly even under full load. Additionally, its Japanese 105°C capacitors offer long-term reliability, making the RM750x a durable solution for a wide range of builds.

Best For

This power supply is perfect for PC builders who demand a high-quality, quiet solution for gaming, creative workstations, or high-performance systems. Its stable, efficient power delivery suits users looking to build machines that handle intensive tasks without sacrificing reliability. Enthusiasts who prioritize clean cable management will also appreciate the fully modular design, which ensures a neat, organized interior. If you’re looking for a balance of performance, efficiency, and noise reduction, the RM750x is a great fit for your next PC build.

User Feedback

Users consistently praise the quiet operation of this power supply, even during high-demand tasks. Many have reported that it runs almost silently under light to moderate loads, making it an excellent choice for those sensitive to noise. The fully modular design also earns frequent compliments for simplifying cable management and keeping builds clean. Some users have noted that while the power supply is reliable, its price point may be a bit high for those on a budget. Overall, it’s recognized for its long-term stability and performance in various setups.

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Pros

  • Users appreciate the fully modular design, which makes cable management easier and improves airflow inside the case.
  • The Zero RPM fan mode ensures silent operation under low loads, making it perfect for quiet PC builds.
  • High energy efficiency thanks to the 80 PLUS Gold certification, helping to lower electricity bills over time.
  • Compact size fits easily into mid and full tower cases, offering versatility in system design.
  • The 135mm fan is specially designed to minimize noise, even during high and low load operations.
  • Reliable and stable power delivery, with no issues reported over long-term use, even in high-performance setups.

Cons

  • Some users found the cables to be slightly stiff, which can complicate installation in tight spaces.
  • The price may be higher than other power supplies with similar specs, which could be a downside for budget-conscious buyers.
  • The fully modular design may be less appealing for beginners who aren't familiar with cable management.
  • Under maximum load, a few users reported minor performance dips, which could be a concern for extreme overclockers.
  • Its compact size, while useful for space-saving, may lead to challenges in very small form factor cases.
  • A few users mentioned that the PSU lacks some advanced monitoring features found in premium models.

Ratings

After analyzing verified user reviews from multiple countries and platforms, we’ve compiled a comprehensive rating for the Corsair RM750x 750W Fully Modular ATX Power Supply. Our scores reflect the product's performance, user satisfaction, and reliability, with feedback from a wide range of genuine users across different languages. Both its strengths, like its quiet operation and efficient power delivery, and its occasional pain points are represented in the following ratings. We filtered out spam, bot-driven, or incentivized reviews to ensure only authentic feedback informs these results.

Quiet Operation
94%
Many users praise this power supply for its exceptionally quiet operation, especially under low and medium loads. The Zero RPM fan mode ensures the unit runs silently when the system isn't under heavy stress, making it ideal for quiet PC builds, such as those used for office work or media centers.
However, a few users reported that the fan can still be somewhat audible during intense gaming or stress tests, especially when the load increases. Some buyers expected complete silence during high usage, which was not always achieved.
Build Quality
91%
The build quality of this Corsair PSU is highly regarded by users. The use of high-quality Japanese capacitors and a solid construction ensures long-lasting performance. Buyers often mention the sturdy feel and reliability, indicating that this is a well-designed unit that can endure heavy usage over time.
On the downside, a small number of users mentioned that the PSU's compact design might not suit all cases, particularly smaller or more cramped builds. Some also found the power cables to be slightly stiff, which can make cable management a bit trickier.
Ease of Installation
88%
Many users found the fully modular design incredibly helpful for clean cable management and making the installation process smoother. The compact form factor fits well into both mid and full tower cases, allowing users to easily manage cables and avoid clutter, especially in high-performance setups.
However, some users noted that the modular cables, while helpful, can feel a bit stiff, and the cable lengths may not be ideal for every case. Some complained that a few of the cables were a bit too short for larger builds, requiring additional extensions.
Energy Efficiency
96%
This power supply is equipped with an 80 PLUS Gold certification, which translates to high energy efficiency and lower electricity costs for users. Many reviewers appreciate how it helps reduce their power consumption without compromising performance, making it an excellent choice for those looking to keep their energy bills in check.
While the energy efficiency is generally praised, a few users felt that the cost of the unit could be seen as a bit high when compared to lower-efficiency options. However, most acknowledged the value it provides through long-term savings on energy.
Cable Management
89%
The fully modular cables receive widespread praise for simplifying cable management and improving airflow inside the case. This makes it easier for users to build clean and organized setups, especially in larger, more complex PC builds where managing cables can be a hassle.
On the flip side, some users found the modular cables to be a bit too stiff, which can make installation a little challenging in tighter spaces. A few buyers also mentioned that the cable connectors felt somewhat bulky in certain builds.
Reliability and Longevity
90%
With the use of Japanese 105°C capacitors, this power supply is designed to last. Many users highlighted the long-term reliability of the unit, with several reviews noting that it continues to perform flawlessly after extended use, even under high load conditions.
A minor drawback noted by a few users was that while the PSU remains reliable, the cooling fan might show signs of wear over several years of heavy use, leading to slight noise during high-load conditions. However, this was rare and did not affect the overall functionality of the unit.
Compatibility
85%
The unit offers broad compatibility with most modern systems, supporting both ATX12V v2.4 and EPS 2.92 standards. Users appreciate its versatility and ability to work with both gaming PCs and high-performance workstations without any issues.
A small number of users with very specific setups (e.g., small form factor cases or unique motherboards) reported compatibility challenges. Some felt that the power cables didn’t fit as easily in tighter spaces or smaller builds.
Noise Levels under Load
92%
The noise reduction offered by the Zero RPM fan mode is one of the standout features, especially under light load. Even under full load, many users report that this unit stays relatively quiet compared to other PSUs in the same category.
However, when stressed for extended periods, a few users mentioned that the fan became more noticeable, especially during long gaming sessions or heavy tasks. While not a dealbreaker, it was a concern for some who preferred complete silence even at maximum load.
Performance under Stress
87%
This unit delivers solid and consistent power under stress, with many users reporting that it maintains stable performance during heavy gaming or intensive tasks. It has been praised for its smooth power delivery without any noticeable drops or instability.
Despite its generally reliable performance, a few users found that the PSU struggled a bit with extreme overclocking setups, where they experienced slight dips in voltage under heavy, sustained loads. However, these instances were rare and mostly related to more extreme use cases.
Customer Support
80%
20%
Corsair has a strong reputation for customer support, with many users reporting positive experiences when they needed assistance. The company’s responsiveness and helpfulness in addressing warranty or product issues was generally well-received.
However, some buyers reported slow response times during peak periods. A few users also mentioned that resolving more complex issues, such as defective units, required multiple interactions, leading to some frustration.
Long-Term Value
90%
Given its robust construction, energy efficiency, and reliable performance, many users feel this PSU offers long-term value for the price. It’s seen as a good investment, especially considering its durability and ability to support high-performance systems over the long haul.
However, a few users felt that the initial cost was somewhat high compared to other PSUs with similar specifications, which made them hesitant to purchase. For those on a tight budget, there are more affordable options available.
Price-to-Performance Ratio
85%
Users generally agree that the price-to-performance ratio of this power supply is strong. The 80 PLUS Gold certification and long-term reliability make it a valuable choice for those seeking a balance between cost and performance.
On the downside, a few users feel that while the unit is solid, the price tag might be slightly high for casual users who don’t need all of its advanced features. For basic systems, cheaper alternatives could provide similar value.

Suitable for:

The Corsair RM750x 750W Fully Modular ATX Power Supply is ideal for users who prioritize <b>clean builds</b> and quiet performance in high-performance PCs. It is particularly well-suited for PC builders looking to build a <b>gaming rig</b> or workstation setup where energy efficiency is a key concern, thanks to its <b>80 PLUS Gold certification</b>. The fully modular design is appreciated by enthusiasts who want to manage cables easily, improving airflow inside the case. Users looking for <b>silent operation</b> will also benefit from the Zero RPM fan mode, which allows the power supply to operate quietly under low loads, making it a great option for home or office environments.

Not suitable for:

While the Corsair RM750x offers excellent efficiency and performance, it may not be the best choice for users on a tight budget. Those looking for a more affordable power supply could find the price of this unit relatively high compared to other options with similar specs. Additionally, users with <b>small form factor</b> cases may face challenges with cable management due to the slightly stiff cables, and the compact design, while convenient, may not fit in extremely tight spaces. Furthermore, extreme overclockers pushing their systems to the limit might find that the PSU struggles slightly under maximum loads, with minor dips in performance reported during stress tests.

Specifications

  • Power Output: 750W of power delivery, suitable for most high-performance gaming and workstation setups.
  • Efficiency: 80 PLUS Gold certification ensures high energy efficiency, reducing electricity costs and minimizing heat generation.
  • Form Factor: ATX form factor, compatible with a wide range of mid and full tower PC cases.
  • Cooling: Equipped with a 135mm fan designed for quiet operation and optimized airflow.
  • Fan Mode: Zero RPM fan mode allows the fan to remain off during low to medium loads for silent operation.
  • Modularity: Fully modular cable design helps reduce cable clutter and improves case airflow.
  • Capacitors: Uses high-quality Japanese 105°C capacitors for improved durability and stable power delivery.
  • Cooling Fan Design: The fan features a specially designed curve to minimize noise during operation, ensuring quieter performance.
  • Dimensions: Measures 6.3 x 5.91 x 3.39 inches, making it compact enough for various case configurations.
  • Compatibility: Compliant with ATX12V v2.4 and EPS 2.92 standards for broad motherboard compatibility.
  • Weight: Weighs 3.7 lbs, offering a balanced and manageable weight for easy installation.
  • Cable Length: Includes long enough cables to support a variety of setups, even in larger cases.
  • Operating Temperature: Operates efficiently within a temperature range up to 50°C for reliable performance in different environments.
  • Warranty: Comes with a 10-year warranty, providing long-term peace of mind and reliability.
  • Input Voltage: Supports wide input voltage range from 100V to 240V, suitable for use in various regions globally.

FAQ

The Corsair RM750x offers several advantages, including its 80 PLUS Gold certification for high energy efficiency, quiet operation due to its Zero RPM fan mode, and fully modular design for easy cable management. It's ideal for gamers or professionals looking for a reliable, stable, and efficient power supply.

Installing this power supply is straightforward. Simply mount it into your case using the standard ATX form factor and connect the appropriate modular cables to your components. Make sure to use the fully modular cables for a clean build and better airflow. You should also connect the main 24-pin ATX cable, the 8-pin CPU power cable, and GPU cables depending on your system's needs.

Zero RPM fan mode means that the fan of the power supply only activates when the load reaches a certain temperature, usually under higher power consumption. During low to medium loads, the fan remains off, ensuring near-silent operation. This feature is especially beneficial for those building quiet PCs for gaming or work.

The 80 PLUS Gold certification ensures that the power supply operates with at least 87% efficiency at 20% load, 90% at 50% load, and 87% at 100% load. This high efficiency translates to less wasted energy, meaning lower electricity bills and less heat produced in your system.

The RM750x features a 135mm fan designed for both quiet operation and effective cooling. The fan is optimized to reduce noise during low and high load periods, and its specialized design helps maintain good airflow to ensure the power supply runs at an optimal temperature without excessive noise.

The RM750x is an ATX power supply, which is compatible with most mid and full tower PC cases. However, it's always a good idea to double-check the specifications of your case to ensure that it supports the standard ATX size (6.3 x 5.91 x 3.39 inches).

Yes, the Corsair RM750x is an excellent choice for high-performance gaming PCs. Its 750W power output provides enough headroom for most gaming setups, including high-end GPUs and CPUs. With its stable power delivery and efficient design, it ensures your system runs smoothly during intensive gaming or rendering tasks.

The cables included with the RM750x are fully modular, which allows you to use only the cables you need for a cleaner, more efficient build. While the cables are high-quality, some users have mentioned that they can be a little stiff, which may make installation in tight spaces more challenging. However, proper cable management can help mitigate this.

The RM750x is designed for long-term reliability, thanks to its high-quality Japanese 105°C capacitors, which help ensure stable power delivery over time. Users have reported consistent performance and no issues with long-term use, making it a durable choice for a high-performance build.

If you experience unusual noise or if the power supply stops working, first check if all cables are properly connected and if there are any dust blockages. If the noise persists, it may be due to a faulty fan or internal issue. It's recommended to contact Corsair’s customer support or consider warranty services if the power supply is malfunctioning.