Best Power Supply For Server

Exploring The 6 Best Power Supply Units For Server

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In the pulsating realm of server technology, where reliability and efficiency reign supreme, the unsung hero powering it all is the server’s heartbeat – the power supply. Choosing the best power supply for server is not merely a technical decision; it’s a strategic investment in the uninterrupted flow of digital life. A power supply that seamlessly marries brawny output with surgical precision, ensuring your servers not only survive but thrive in the dynamic landscapes of modern computing.

As we embark on this journey through the technological power corridors, we’ll unveil the top contenders vying for the coveted title of the “best power supply for servers.” Brace yourself for a discourse on power, efficiency, redundancy, and a symphony of features that transform these electronic powerhouses into indispensable guardians of your server infrastructure. Welcome to the world of server power supplies, where the best isn’t just a necessity; it’s a strategic imperative.

Choosing the Best Power Supply for Your Server:

Selecting the right power supply is akin to choosing the beating heart of your server infrastructure. It’s not just about providing energy; it’s about reliability, efficiency, and compatibility. Let’s dive into the top contenders that have earned their stripes in the server power supply arena.

1. Corsair HX1200i Best Power Supply For Server

Power Output: 1200W
Efficiency: 80 PLUS Platinum certified

Best Power Supply For Server

The Corsair HX1200i stands as a stalwart in the realm of power supplies, offering a compelling blend of raw power and efficiency. With a robust power output of 1200 watts, it caters to the energy demands of high-performance servers with ease. What sets it apart is its 80 PLUS Platinum certification, signifying an exceptionally high level of energy efficiency.

The HX1200i doesn’t merely stop at providing ample power; it embraces modularity, allowing users to connect only the necessary cables, reducing clutter, and improving airflow within the server chassis. This attention to detail extends to the high-quality components embedded within, ensuring stability and longevity. Moreover, Corsair introduces a touch of sophistication with the inclusion of Corsair Link, an advanced monitoring and control system that offers real-time insights into power usage and temperature.

2. Seasonic Prime 1300W Platinum

Power Output: 1300W
Efficiency: 80 PLUS Platinum certified

The Seasonic Prime 1300W Platinum power supply stands out as a pinnacle of performance and efficiency in the realm of best power supply for server. With a commanding power output of 1300 watts, it caters to the demands of high-performance servers and power-hungry components with unwavering reliability. The 80 PLUS Platinum certification attests to its exceptional efficiency, ensuring minimal energy wastage and reduced operating costs.

One of the standout features of the Seasonic Prime 1300W is its fully modular design, providing users with the flexibility to connect only the required cables. This not only simplifies cable management but also contributes to improved airflow within the server chassis, optimizing overall system cooling. The inclusion of hybrid fan control is a testament to Seasonic’s commitment to both stability and user experience. The power supply intelligently adjusts fan speed based on the system’s load and temperature, striking a balance between optimal cooling and noise reduction.

3. EVGA SuperNOVA 1600

Power Output: 1600W
Efficiency: 80 PLUS Titanium certified

The EVGA SuperNOVA 1600 T2 emerges as a powerhouse in the domain of server power supplies, delivering an astonishing 1600 watts of power with a focus on efficiency and reliability. Boasting an 80 PLUS Titanium certification, it sets a gold standard for energy efficiency, ensuring that every watt is utilized effectively, resulting in reduced power consumption and heat generation.

What distinguishes the SuperNOVA 1600 T2 is not only its remarkable power output but also its commitment to user experience. The power supply features a fully modular design, allowing users to tailor their cable connections to meet the specific needs of their server configuration. Additionally, the ECO Mode ensures a quieter operation by adjusting fan speeds based on load, contributing to a more comfortable working environment.

4. Corsair RM1200x Best Power Supply For Server

Power Output: 1200W
Efficiency: 80 PLUS Gold certified

Best Power Supply For Server

The Corsair RM1200x is a formidable player in the realm of server power supplies, delivering a robust 1200 watts of power with efficiency and reliability at its core. Equipped with an 80 PLUS Gold certification, it strikes a balance between performance and energy efficiency, ensuring optimal power utilization for high-performance servers.

What sets the RM1200x apart is its fully modular design, allowing users to customize cable connections based on their server’s specific requirements. This not only simplifies cable management but also enhances overall airflow within the server chassis, contributing to improved cooling and system stability. The Zero RPM Fan Mode further adds to its appeal, enabling silent operation under low to moderate loads.


Power Output: 1000W
Efficiency: 80 PLUS Gold certified

The ASUS ROG STRIX 1000W best power supply for server exemplifies the marriage of power and style, designed specifically for gamers and enthusiasts seeking top-tier performance. With a substantial power output of 1000 watts, it caters to the demands of high-performance servers and gaming rigs alike.

Featuring an 80 PLUS Gold certification, the ROG STRIX 1000W ensures efficiency in power delivery, minimizing energy wastage and reducing operating costs. Its fully modular design adds a layer of customization, allowing users to optimize cable connections based on their specific server configurations. This not only simplifies cable management but also enhances airflow within the server chassis for improved cooling.

What sets the ASUS ROG STRIX apart is its aesthetic appeal. Adorned with RGB lighting and the signature ROG logo, it adds a touch of flair to the server setup. Beyond its visual appeal, the power supply incorporates premium components, ensuring stability and longevity under the rigors of server usage.

6. Thermaltake Toughpower Grand RGB 850W

Power Output: 850W
Efficiency: 80 PLUS Gold certified

The Thermaltake Toughpower Grand RGB 850W power supply is a perfect fusion of performance and aesthetics, catering to enthusiasts and gamers with a penchant for visual flair. With an 850-watt power output, it strikes a balance between robust performance and energy efficiency.

Distinguishing itself with an 80 PLUS Gold certification, this power supply ensures effective power utilization, reducing energy consumption and heat generation. What sets it apart is the integration of RGB lighting, adding a vibrant and customizable element to the server setup. The RGB lighting can be synchronized with other RGB components, creating a visually cohesive and dynamic environment.

The Toughpower Grand RGB 850W doesn’t just focus on aesthetics; it embraces practicality with a fully modular design. Users can customize cable connections based on their server’s unique requirements, simplifying cable management and enhancing overall airflow for improved system cooling.

Factors To Consider

Selecting the best power supply for server depends on various factors, including the server’s power requirements, redundancy needs, form factors, and budget constraints. Here are some considerations to help you choose the right power supply for your server:

1. Power Requirements:

Understanding the power requirements of your server is the first step in choosing an appropriate power supply. Servers can have varying power needs based on the components they house, including CPUs, RAM, storage devices, and peripherals. It’s essential to consider both peak and sustained power demands to avoid underpowering the server.

2. Redundancy:

For mission-critical servers, redundancy is non-negotiable. Redundant power supplies ensure uninterrupted operation in the event of a power supply failure. Look for servers that support hot-swappable redundant power supplies, allowing you to replace a malfunctioning unit without disrupting the server’s functionality.

3. Form Factor:

Power supplies come in different form factors, such as ATX, EPS, and specialized form factors for server chassis. Ensure that the power supply you choose is compatible with the form factor of your server. Mismatched form factors can lead to installation issues and may jeopardize the overall stability of the system.

4. Efficiency:

Energy efficiency is a key consideration for both economic and environmental reasons. Power supplies with high-efficiency ratings can significantly reduce energy consumption and lower operating costs. When selecting a power supply, look for one that aligns with your server’s power efficiency goals.

5. Modularity:

Modular power supplies provide flexibility by allowing you to connect only the necessary cables. This not only reduces cable clutter within the server but also improves airflow, contributing to better overall system cooling. Efficient cooling is crucial for maintaining optimal performance and extending the lifespan of server components.

6. Brand and Reliability:

Choosing a power supply from a reputable manufacturer is paramount. Brands like Corsair, Seasonic, EVGA, and Supermicro have established themselves as leaders in the industry for producing high-quality power supplies. Prioritize reliability, as a failure in the power supply can have cascading effects on the entire server infrastructure.

7. Management Features:

Modern power supplies often come equipped with advanced management features that provide administrators with greater control and visibility. Remote monitoring and control capabilities enable real-time tracking of power usage, temperature, and other critical metrics. These features can facilitate proactive maintenance and help prevent potential issues.

8. Cooling:

Consider the cooling solution integrated into the power supply. Efficient cooling mechanisms, such as larger fans and innovative thermal designs, contribute to the overall temperature management of the server. Adequate cooling is vital for preventing overheating and ensuring the stable operation of server components.

9. Compatibility:

Ensure compatibility between the chosen power supply and your server’s motherboard and chassis. Check connector types, cable lengths, and any specific requirements outlined in the server’s documentation. Compatibility issues can lead to installation complications and potential damage to components.

Importance of Regular Maintenance:

Regular maintenance of power supply units (PSUs) is paramount for sustaining server performance and reliability. Here’s why this routine upkeep is of utmost importance:

  • Preventing Overheating: Dust accumulation over time can impede PSU cooling systems, leading to overheating. Regular cleaning ensures efficient heat dissipation, preventing potential damage.
  • Ensuring Stable Power Delivery: Routine checks help identify and address voltage irregularities promptly. This proactive approach safeguards servers from sudden power fluctuations, minimizing the risk of data loss and hardware damage.
  • Extending Lifespan: Like any mechanical component, PSUs undergo wear and tear. Regular maintenance, including inspections and cleaning, contributes to prolonged lifespan, reducing the frequency of replacements.
  • Minimizing Downtime: Unplanned downtime due to PSU failures can be costly. Regular maintenance helps detect and rectify issues before they escalate, ensuring uninterrupted server operations.
  • Enhancing Efficiency: Clean and well-maintained PSUs operate more efficiently. This not only reduces energy consumption but also contributes to overall server performance.
  • Upgrading Outdated Components: Regular maintenance provides an opportunity to assess PSU components for wear or obsolescence. Upgrading outdated parts ensures compatibility with evolving server hardware and technologies.
  • Mitigating Compatibility Issues: Over time, changes in server configurations or expansions may necessitate adjustments. Regular maintenance allows for the identification and resolution of any compatibility issues between PSUs and other server components.
  • Proactive Problem Resolution: Timely maintenance enables the identification of potential problems before they cause system failures. Proactively addressing issues prevents the escalation of minor concerns into major disruptions.


In conclusion, choosing the best power supply for server involves a comprehensive assessment of power requirements, redundancy needs, form factor compatibility, efficiency, modularity, brand reputation, management features, cooling solutions, budget considerations, and overall compatibility. By carefully weighing these factors, you can make an informed decision that ensures the reliability and longevity of your server infrastructure. Remember that a well-chosen power supply is a fundamental building block for a robust and efficient server system.


a. Can I mix power supply brands in my server setup?

While it’s generally recommended to stick to the same brand for consistency, mixing brands is possible. Ensure compatibility and power matching.

b. What does 80 PLUS certification mean for a power supply?

80 PLUS certification indicates the efficiency of a power supply. Higher certifications (Platinum or Titanium) mean more efficient energy conversion.

c. Is it worth investing in a modular power supply for servers?

Yes, modular power supplies allow you to connect only necessary cables, reducing clutter and improving airflow, crucial for optimal server temperatures.

d. How often should I replace a server power supply?

Server power supplies are designed for 5 to 10 years. Regular monitoring and preventive replacement can extend the overall health of your server.

e. Why is redundancy important in server power supplies?

Redundant power supplies ensure uninterrupted operation if one unit fails. This is crucial for mission-critical servers, where downtime is not an option.

Last Updated on 16 February 2024 by Ansa Imran


Ansa Imran, a writer, excels in creating insightful content about technology and gaming. Her articles, known for their clarity and depth, help demystify complex tech topics for a broad audience. Ansa’s work showcases her passion for the latest tech trends and her ability to engage readers with informative, well-researched pieces.

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