Best 1000w Power Supply to Buy in 2024

In the computer hardware world, the power supply unit is important for smooth performance. There is a growing need for the best 1000w power supply in 2024 for powerful tasks like gaming and video editing. Choosing the right 1000w power supply is crucial. There are many options available, making it hard to choose. In this article we have compiled a list of the top power supplies that offer reliable power and keep up with technology. Let’s explore these advanced power supplies to find the best one for your PC!

Do You Need 1000 Watts Power Supply?

Do you need 1000 watts Power Supply?

Starting the journey to build the best PC setup often leads to asking if a 1000 watts power supply is too much or just right. Some people think this much power is only for the most dedicated users, but looking closer shows it’s different. For those playing games with high-quality graphics or using their computers for big creative or work projects, 1000 watts means making sure everything works perfectly and reliably.

However, for casual users, this much power is too much. In a time when saving energy is important, choosing the best 1000w power supply that matches how you use your computer can save money and make your computer last longer. Whether you’re creating virtual worlds or just doing everyday tasks, finding the right balance for your computer’s power needs is both an art and a science. Overall, If you are a gaming enthusiast then you must buy the best 1000w power supply. Let us help you in deciding the right choice for you.

7 Best 1000W Power Supply Reviews

We’ve picked out the 7 best 1000W power supply by testing them carefully. We chose them not just because they’re powerful, but also because they’re accurate, long-lasting, and have special features like being very quiet or energy-efficient. Choosing one from our list could be a key step in making your ideal computer setup, changing the way you play games, create, and use your computer. This is about picking a part that makes sure your computer always works at its best.

DeepCool PX1000G

DeepCool PX1000G

The ATX3.0-certified 80 Plus Gold DeepCool PX1000G power supply offers unmatched efficiency. Its advanced design runs reliably and efficiently, reducing electricity consumption and operational costs over time. Featuring a 135mm FDB fan, the DeepCool PX1000G cools quietly. The fan adjusts its speed based on load in intelligent silent fanless mode, ensuring a quiet computing environment even during intense gaming or workloads.

Fully modular DeepCool PX1000G cabling allows for a clean and organized build. It improves airflow and aesthetics in your PC case and lets you use only the cables you need. With its 160mm depth, the DeepCool PX1000G power supply fits into most ATX cases, including smaller ones with limited space.

People wanting power and efficiency without sacrificing space should choose it. The DeepCool PX1000G’s 10-year warranty gives you peace of mind. Quality provides reliability and performance for a decade, protecting your investment.


  • High efficiency (80 Plus Gold).
  • Fully modular design.
  • Silent operation (135mm FDB fan).
  • Compact size (160mm).
  • Powerful (1000W).
  • Long warranty (10 years).
  • Durable build quality.


  • Potentially overkill for average builds.
  • Fanless mode may struggle under extreme loads.
  • Length may not fit all cases.
  • Higher price compared to lower wattage options.
  • Limited availability in some regions.

MSI MPG A1000G Gaming Power Supply

MSI MPG A1000G Gaming Power Supply

Discover the future of gaming with the MSI MPG A1000G PCIE 5 & ATX 3.0 Gaming Power Supply. It supports the latest hardware with PCIe 5.0 and ATX 3.0, making sure your gaming setup runs smoothly without any slowdowns. 80 Plus Gold certification makes MSI MPG A1000G 90% efficient, turning most of the electricity it uses into power for your system. This not only cuts down on heat and costs but also helps the environment by using less energy.

The MSI MPG A1000G uses top-quality Japanese 105 C capacitors. The capacitors are known for their durability and performance at high temperatures. These components keep your power supply working well for a long time, making it a dependable choice for any high-end gaming system. Its compact size and full modular design mean you can have a powerful setup without a crowded case. You only connect the cables you need and keep your system cool and running smoothly.

The MSI MPG A1000G also has a smart cooling system. It changes the fan speed based on how much power you’re using, keeping things cool when necessary but quiet when not under heavy load. This is great for gamers who want a powerful yet silent gaming experience.


  • PCIe 5 and ATX 3.0 compatibility ensures future-proofing for new hardware.
  • Full modular design for easy cable management and improved airflow.
  • 80 Plus Gold certification for high efficiency and reduced power consumption.
  • Utilizes 100% Japanese 105°C capacitors for enhanced reliability and longevity.
  • Compact size, suitable for a variety of PC cases.
  • Designed specifically for gaming


  • Features such as PCIe 5 compatibility may not be necessary for all users.
  • The compact size may lead to higher temperatures under heavy loads.
  • Limited information available on warranty length and support.

Corsair HX1000i

Corsair HX1000i

At the forefront of 1000W power supply, the Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply delivers unmatched power. An ATX 3.0 & PCIe 5.0 compliant machine that exceeds expectations. It works smoothly with the latest technology. Its whisper-quiet Fluid Dynamic Bearing Fan eliminates noise even under major loads.

CORSAIR iCUE software compatibility gives you full control over performance tuning and customization. With its 80 Plus Platinum certification, save energy without sacrificing power delivery. A sleek, classy black look that blends into any construction style makes a striking statement of reliability and elegance in any rig setup.

The Corsair HX1000i redefines stability and performance at 1000 watts in a world where every watt matters. Upgrade your gaming or professional system today and enjoy the smooth harmony of cutting-edge technology and great craftsmanship in this ultra-low noise power supply unit. Only Corsair can provide true peace of mind when fueling your endeavours.


  • Whisper-quiet operation with fluid dynamic bearing fan.
  • Fully modular design for easy cable management.
  • Compliant with latest standards (ATX 3.0, PCIe 5.0).
  • Customizable RGB lighting and monitoring with CORSAIR iCUE software.
  • 80 Plus Platinum efficiency for reduced power consumption.
  • Trusted Corsair reliability.


  • Higher cost compared to alternatives.
  • Cooling performance may be slightly compromised.
  • Setup for CORSAIR iCUE software may be required.



For gamers seeking high performance, the MSI MEG Ai1000P PCIE 5 & ATX 3.0 Gaming Power Supply is here. This powerful PSU has 80 Plus Platinum Certification for optimal energy efficiency to keep your gaming setup operating smoothly. This 1000W supply is ideal for high-power gaming setups.

The MSI MEG Ai1000P also has 100 Japanese 105 C capacitors for heavy-duty durability and longevity. The full modular design simplifies wire management and modification, keeping your PC case tidy. Despite its high power, this small PSU fits easily into most ATX cases without losing performance or quality.

The MSI MEG Ai1000P PCIE 5 & ATX 3.0 Gaming Power Supply combines power and efficiency in a sleek, reliable compact fit to tackle any gaming challenge.


  • Future-proof compatibility with PCIe 5 and ATX 3.0.
  • Full modular design for easy cable management.
  • 80 Plus Platinum certification ensures high efficiency.
  • Reliability enhanced by 100% Japanese capacitors.
  • Compact size fits various PC cases.
  • Powerful 1000W output for gaming and workstations.


  • Potential higher cost for gaming-specific features.
  • Some users may not need PCIe 5 compatibility.
  • Compact size might lead to elevated temperatures.

Corsair RM1000e

Corsair RM1000e

The Corsair RM1000e (2023) Fully Modular Low-Noise Power Supply is the peak of PC power and efficiency. This gold-certified powerhouse produces 1000W of steady power at minimum noise. This power supply can withstand severe loads thanks to its 105°C-rated capacitors.

The Corsair RM1000e expands power supply technology with ATX 3.0 and PCIe 5.0 compliance. The fully modular design makes wire management easier and the sleek black style adds sophistication to your system. This 80 Plus Gold-rated PSU eliminates energy waste and keeps your system running smoothly without breaking the budget.

Boost your gaming system or workstation with the greatest power supply, the Corsair RM1000e (2023). Corsair’s cutting-edge technology and innovation give you a seamless computing experience with unmatched performance and durability. Modern Standby guarantees your system is ready when you need it. Efficiency and power are only available with the Corsair RM1000e (2023) Fully Modular Low-Noise Power Supply.


  • Low-noise operation for quiet performance.
  • Fully modular design simplifies cable management.
  • Compliant with the latest standards (ATX 3.0, PCIe 5.0).
  • High-quality 105°C-rated capacitors ensure reliability.
  • Efficient power delivery with 80 Plus Gold certification.
  • Sleek black design adds to aesthetic appeal.


  • Availability might be limited in certain regions.
  • Elevated temperatures could be a concern with prolonged use.
  • Detailed warranty information may not be readily available.

EVGA SuperNOVA 1000 G5

EVGA SuperNOVA 1000 G5

The EVGA SuperNOVA 1000 G5 power supply represents the highest level of outstanding performance and dependability for your PC system. This gold-rated power supply delivers an amazing 1000W of power, ensuring optimum efficiency and stability for even the most demanding installations. The entirely modular design enables simple wire management, resulting in a clean and efficient build every time.

The EVGA SuperNOVA 1000 G5, which has ECO Mode and a fluid dynamic bearing fan, performs quietly and effectively to keep your system cool even under high loads. With a 10-year warranty, you can be confident that this best 1000w power supply will support your PC for many years to come. Its tiny 150mm dimension allows it to fit into a variety of case sizes while maintaining performance and functionality. Upgrade your PC system with the greatest power supply on the market and enjoy unsurpassed reliability and efficiency with the EVGA SuperNOVA 1000 G5.


  • High power output of 1000W for demanding systems.
  • 80 Plus Gold efficiency rating for energy savings.
  • ECO mode with FDB fan for quieter operation.
  • Generous 10-year warranty for peace of mind.
  • Compact 150mm size fits in smaller cases.
  • Reliable EVGA brand known for quality.
  • Overcurrent protection for component safety.


  • May be overkill for typical consumer PCs.
  • Requires ample space for proper ventilation in compact cases.
  • May not offer significant efficiency gains for low-power systems.

NZXT C1000 PSU – ATX Gaming Power Supply

NZXT C1000 PSU - ATX Gaming Power Supply

The powerful NZXT C1000 PSU (2022) – PA-0G1BB-US will boost your gaming experience. This 1000-watt PSU delivers reliable power even during intense gaming sessions. The 80 Gold certification provides great efficiency and minimal heat production, guaranteeing consistent power distribution to all PC components.

The fully modular NZXT C1000 makes cable management easy and performs well. You may easily customize your cable layout, eliminating crowded cables and messy settings. Sleeved cables improve your build’s looks and durability for long-term use. For seasoned gamers and PC enthusiasts seeking reliable power delivery, the NZXT C1000 PSU (2022) is the finest solution to upgrade your gaming system.

NZXT C1000 PSUs offer outstanding reliability, quality, and efficiency for gaming setups. Its fully modular design, sleeved wires, and 80 Gold certification make this power supply unit a top choice for serious gamers and PC enthusiasts. Get the most out of your system with the NZXT C1000 and enhance your gaming experience.


  • Sleek and stylish design complements gaming setups.
  • 80 Plus Gold certification ensures high efficiency.
  • Includes sleeved cables for a clean aesthetic.
  • Overvoltage and overcurrent protection for component safety.
  • Silent operation with efficient cooling technology.
  • Compact size fits in various PC cases.
  • Long-lasting reliability backed by NZXT’s reputation.


  • Lack of RGB lighting options for users seeking customization.
  • Limited compatibility with non-standard case designs.
  • Sleeved cables may be less flexible for routing.

Features to Consider before buying 1000w power supply

Check these features before buying a 1000W PC power supply to ensure compatibility and performance:

Power Efficiency Rating

The power efficiency rating (e.g., 80+ Bronze, 80+ Gold, 80+ Platinum) indicates the efficiency of a power supply in converting AC Wall outlet power into DC power for PC components. A greater efficiency rating reduces energy waste during conversion, lowering electricity expenses and heat generation. A 1000W power supply with an 80+ Gold or Platinum rating runs effectively, especially under heavy loads or extended use.


Modularity represents the design of power supply cables and connectors. A modular power supply allows you detach and attach cables, while a semi-modular one has fixed cables with modular connectors. All wires are attached to non-modular power supplies. Choosing a modular or semi-modular 1000W power supply lets you connect only the necessary wires, reducing PC case clutter and boosting ventilation. Cable management is easier with this flexibility, making the build cleaner and more organized.

Certifications and Protections

Ensures power supply safety and dependability for PC components. OVP, UVP, OPP, and SCP certifications protect hardware from electrical failures. Power supplies with these certifications meet industry performance and safety criteria. To reduce component damage and assure long-term reliability, choose the best 1000W power supplies with complete certifications and protections.

Connectors and Cable Lengths

Proper cable management and compatibility in PC builds depend on the availability of connectors and cable lengths. Your 1000W power supply should provide PCIe connectors for graphics cards, SATA connectors for storage devices, CPU power connectors, and motherboard power connectors. Remember to check cable lengths to ensure they reach all components of your PC case without slack or tension. A power supply with enough cables makes installation and cable routing easy.

Brand Reputation and Warranty

Consider brand reputation and warranty when choosing a 1000W power supply. Quality and reliable brands are more likely to deliver power supplies that comply with or exceed industry standards. Furthermore, a longer warranty period and better guarantee terms offer piece of mind and protection against potential flaws or failures. Customer reviews, professional ratings, and brand reputations can help you choose a reliable PC power supply.

Cooling and Noise Levels

Consider efficient cooling and noise levels while selecting a 1000W power supply. Look for a large, quiet fan or innovative cooling systems to maintain appropriate temperatures and reduce noise. Cooling your power supply keeps it running smoothly and keeps your PC components cool. Choose a power supply with effective cooling and low noise for a quieter, more enjoyable computing experience, especially during strenuous tasks or extended use.

Compatibility and Future Upgrades

Selecting a 1000W power supply requires consideration for compatibility with your PC chassis and components, as well as future upgrades. Make sure the power supply’s form type (ATX, SFX, etc.) fits your PC case and has enough connectors and power outputs for your present components and future additions. Consider multi-GPU support, additional storage devices, and expansion cards that may need more power. Choose a power supply with enough capacity and compatibility to integrate with your setup and expand without upgrading.

Quick Power Supply Shopping Tips

Consider efficiency while choosing a 1000W power supply to maximize performance and minimize energy waste. Energy efficiency and consistent power delivery for high-power components are improved with an 80 Plus-certified power supply.

Another consideration is power supply modularity. A modular design simplifies wire management, reducing clutter and enhancing airflow for better cooling. Additionally, verify the manufacturer’s warranty period, which shows their trust in the product’s quality and durability.

Remember to check consumer reviews and feedback on power supplies to evaluate their performance and reliability. Users’ feedback might help you choose a power supply by showing how well it performs under multiple conditions.

How We Picked the Best 1000W Power Supplies

We found the best 1000W power supplies for PC builds by focusing on efficiency ratings like 80 PLUS Platinum, Gold or Titanium certification. We also looked for modular designs that let you customize cable setups to reduce clutter and improve airflow. Using high-quality components, such as Japanese capacitors, was important for durability.

Safety features like over-voltage protection and short-circuit prevention were crucial for selecting top 1000W PSUs for gaming or workstations. By prioritizing performance and technical specs, we chose options that provide stable power and long-term functionality for demanding tasks.

Final Thoughts

In 2024, it’s important to choose the best 1000w power supply for your computer to make sure it runs well. We’ve reviewed the top choices that are reliable, perform well, and offer good value. Whether you’re a gamer, content creator, or professional, it’s important to have a good power supply to run your computer parts. Look at things like efficiency ratings, modular cables, and overall quality when deciding which power supply to buy. Upgrade today to one of our recommended 1000w power supplies for a better computer experience.


Do I need a 1000W PSU for my gaming PC?

Most Low end gaming PCs don’t require a 1000W PSU unless you’re running multiple high-end GPUs or other power-hungry components.

How do I know what power supply I need for my PC?

Use a PSU calculator online or calculate the total power consumption of your components. Aim for a PSU with sufficient wattage, typically with some headroom for future upgrades.

What does 80+ efficiency mean on a power supply?

The 80+ efficiency rating indicates how efficiently a power supply converts AC power from your wall outlet to DC power for your PC components. The higher the rating (80+, 80+ Bronze, 80+ Gold, etc.), the more efficient the PSU is at converting power, resulting in less wasted energy and lower electricity bills.

What warranty coverage does the Best 1000w power supply come with?

The Best 1000w power supply typically comes with a manufacturer’s warranty ranging from 3 to 10 years for added peace of mind.

How do I determine if my system requires a 1000W power supply?

You can use online PSU calculators or consult your hardware specifications to determine if a 1000W power supply is necessary based on your components and usage requirements.