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Best PSUs for RTX 4070

Ensure your 4070 is keep powered and secure with one of these PSUs picked solely for the card
Last Updated on April 14, 2023

The NVIDIA GeForce RTX 4070 has taken the gaming world by storm with its impressive performance, and finding the best PSUs for the RTX 4070 is crucial for ensuring your build runs smoothly and efficiently. What sets the RTX 4070 apart from other GPUs in the 40-series is its surprisingly low power requirement, with a recommended PSU wattage of just 600W. This is fantastic news for gamers who want top-tier performance without having to invest in a high-wattage power supply unit.

In this article, we will guide you through the process of selecting the best PSU for your RTX 4070 build, taking into account the efficiency, reliability, and overall value. With the right power supply, you’ll be able to harness the full potential of your RTX 4070 and enjoy an incredible gaming experience. So, let’s dive in and explore the top options available for powering this game-changing GPU.

Products at a Glance

Features and considerations

When selecting one of the best PSUs for your RTX 4070, there are several factors to consider. Each of these aspects plays a crucial role in ensuring you have a stable and efficient system that can handle the demands of the GPU and other components in your build.

First and foremost, consider the wattage of the PSU. Although the recommended wattage for the RTX 4070 is 600W, it’s a good idea to leave some headroom for future upgrades, overclocking, or other power-hungry components. A PSU with slightly higher wattage can provide extra peace of mind and ensure your system remains stable even under heavy loads.

Efficiency is another important factor to consider. PSUs with higher efficiency ratings not only save you money on electricity but also generate less heat, which can help keep your overall system temperatures in check. Look for PSUs with an 80 PLUS certification, which guarantees a minimum efficiency of 80% under various loads. The higher the certification level (Bronze, Silver, Gold, Platinum, or Titanium), the more efficient the PSU.

Next, consider the form factor and dimensions of the PSU, as this will determine whether it fits in your PC case. The most common form factor is ATX, but there are smaller options like SFX or SFX-L for compact builds. Make sure you choose a PSU that will fit comfortably in your case and leave enough room for proper cable management.

Cable management is another crucial aspect to consider when selecting a PSU. Modular PSUs allow you to only connect the cables you need, reducing clutter and improving airflow within your case. Semi-modular and non-modular PSUs are typically more budget-friendly but can be more challenging to manage due to the fixed cables.

Our Recommended

Best PSUs for RTX 4070

  • Fully modular design
  • 80 PLUS Gold efficiency
  • Reliable performance
  • 10-year warranty
  • Slightly more expensive than some competitors

The Corsair RM750x 80 PLUS Gold is an outstanding choice for powering your RTX 4070 gaming system. With 750W of power, this fully modular PSU offers ample wattage to handle not just the GPU but also other components in your build, allowing for potential upgrades in the future.

As an 80 PLUS Gold certified unit, the RM750x delivers excellent efficiency, ensuring that your system runs cooler and quieter, while also saving on your electricity bill. The Zero RPM fan mode is another feature that contributes to a quiet operation, as the fan only spins when it’s needed.

The fully modular design allows for easy cable management, as you only need to use the cables that are necessary for your specific build. This helps in creating a clean and organized look inside your PC case, improving airflow and aesthetics.

Corsair is a well-known brand in the PSU market, and the RM750x comes with a 10-year warranty, giving you peace of mind in the long-term reliability and performance of this power supply. The build quality and use of premium components make this unit a top choice for powering your RTX 4070 and the rest of your gaming rig.

  • 850W for future upgrades
  • 80 PLUS Platinum efficiency
  • Fully modular
  • Expensive
  • High wattage may not be necessary for some users

The Seasonic FOCUS PX-850 80 PLUS Platinum PSU is a top choice for those seeking high-power performance for their RTX 4070 gaming system. With an impressive 850W output and 80 PLUS Platinum efficiency, this power supply delivers exceptional power stability, energy efficiency, and lower operating temperatures, making it perfect for demanding gaming setups and overclocking enthusiasts.

Seasonic has built a strong reputation for producing high-quality power supplies, and the FOCUS PX-850 is no exception. Its fully modular design allows for easy cable management and cleaner builds, reducing clutter within the case and improving airflow. The power supply also features tight voltage regulation, ensuring that your components receive consistent power delivery for optimal performance.

The FOCUS PX-850 comes equipped with a 120mm fluid dynamic bearing (FDB) fan, which provides quiet and efficient cooling. The fan’s Hybrid Mode allows for zero RPM operation during low to medium loads, ensuring silent operation when you need it most. Additionally, the power supply’s robust build quality and premium components contribute to its long-lasting durability, backed by a 10-year warranty for peace of mind.

  • SFX form factor for small builds
  • Fully modular
  • Great performance
  • Higher price than some comparable ATX PSUs
  • 650W may limit future upgrades

The SilverStone SX650-G 80 PLUS Gold PSU is the ideal choice for those looking to power their RTX 4070 in a compact or small form factor gaming system. Delivering 650W of power with an 80 PLUS Gold efficiency rating, this power supply provides reliable, stable power while maintaining energy efficiency, keeping your system running smoothly and minimizing energy costs.

SilverStone has long been recognized for producing quality power supplies that cater to various user needs, and the SX650-G is no exception. Its SFX form factor makes it perfect for mini-ITX and other small form factor builds, providing ample power for your RTX 4070 without taking up much space. The fully modular design also allows for easier cable management and clutter-free installation, making it a breeze to create a clean and organized build.

The SX650-G features a 92mm fluid dynamic bearing (FDB) fan, which delivers effective and quiet cooling, ensuring the power supply remains cool even under heavy loads. The fan’s intelligent operation adjusts its speed according to the system’s power demand, offering the right balance between cooling performance and noise reduction.

Built with high-quality components, the SilverStone SX650-G 80 PLUS Gold PSU is designed to withstand the test of time, providing consistent and reliable power to your RTX 4070 gaming system. Its compact form factor, excellent performance, and efficient operation make it a fantastic choice for small form factor builds and those looking to save space without compromising on power.

  • Affordable
  • 600W capacity suitable for RTX 4070
  • Reliable brand, 3-year warranty
  • 80 PLUS White efficiency
  • Non-modular design

The EVGA 600 W1 80 PLUS White PSU is a great budget option for powering your RTX 4070 gaming system. With 600W of power, it provides the recommended wattage for the GPU and can support the rest of your components without breaking the bank.

Although it’s not as efficient as higher-tier 80 PLUS certified units, the 80 PLUS White certification still ensures decent efficiency and stable power delivery. This means that the EVGA 600 W1 will perform reliably in most gaming systems, without causing excessive heat or noise.

This power supply is non-modular, which means that all cables are permanently attached to the unit. While this might make cable management slightly more challenging, it shouldn’t be a deal-breaker for budget-conscious builders who prioritize performance and affordability over aesthetics.

EVGA is a reputable brand in the power supply market, and the 600 W1 comes with a 3-year warranty. This gives you confidence in the quality and long-term reliability of the unit, despite its budget price point.

How we picked the best PSUs for RTX 4070

In our quest to find the best PSUs for the RTX 4070, we meticulously researched and analyzed various factors to ensure we chose reliable and efficient power supplies that cater to the needs of a wide range of users. Here’s a breakdown of the criteria we used to make our selections:

  • Wattage and Efficiency: We prioritized power supplies with a wattage rating of at least 600W to meet the recommended requirements for the RTX 4070. Additionally, we focused on PSUs with high-efficiency ratings, ensuring a minimum of 80 PLUS Bronze certifications to provide both energy savings and less heat generation.
  • Form Factor and Compatibility: We included PSUs with different form factors to accommodate various PC case sizes and builds. From standard ATX to compact SFX, our selections cater to a range of users and their unique requirements.
  • Cable Management: We took into account the different cable management options available, including fully modular, semi-modular, and non-modular designs. This allowed us to cater to different preferences and budgets, while also ensuring ease of installation and improved airflow.
  • Build Quality and Reliability: We selected PSUs from reputable brands with a proven track record of producing high-quality, reliable power supplies. This helped ensure that our recommendations can withstand the demands of a gaming system with an RTX 4070.

Our Verdict

In conclusion, choosing the best PSUs for the RTX 4070 build is a crucial step in ensuring a reliable and efficient gaming experience. Our top picks, including the Corsair RM750x for the best overall, the budget-friendly EVGA 600 W1, the high-power Seasonic FOCUS PX-850, and the compact SilverStone SX650-G, cater to different needs and preferences. Each of these PSUs offers a balance of performance, efficiency, and reliability, ensuring that your RTX 4070 is adequately powered for an optimal gaming experience. When selecting a PSU, consider your specific requirements, budget, and the potential for future upgrades to make an informed decision that will support your gaming rig for years to come.