In this article, we will discuss the best PSUs for the RTX 4070, including factors such as wattage, efficiency, and build quality. When it comes to building a high-end gaming PC, choosing the right power supply unit (PSU) is crucial.
The NVIDIA RTX 4070 is a powerful graphics card that requires a PSU that can deliver stable and reliable power. There are many options available on the market, each with its own set of features and specifications.
In this buying guide, we have reviewed some of the best PSUs for the RTX 4070, including the NZXT C750, Thermaltake Smart Pro RGB 750W, be quiet! BN619 Straight Power 11 750W, SilverStone Technology 750W, GIGABYTE GP-UD850GM 850W, and Thermaltake Toughpower Grand RGB 850W.
Each of these PSUs offers its own unique set of features and benefits, making them suitable for different types of builds and preferences. By the end of this article, you’ll have a better understanding of which PSU is the best fit for your RTX 4070 build.
Experts Rated Best PSU For RTX 4070
- NZXT C750 PS
- Thermaltake Smart Pro RGB 750W
- be quiet! BN619 Straight Power 11 750W
- SilverStone Technology 750W
- Thermaltake Toughpower Grand RGB 850W
- GIGABYTE 850W
1- NZXT C750 PS
The NZXT C750 PSU is a 750-watt power supply unit that has been designed for gamers and enthusiasts who demand high performance and reliability from their PC components.
It comes with an 80+ Gold certification, which ensures maximum efficiency, and it features a fully modular design that allows users to customize their cable management to their liking.
In this review, we will take a closer look at the features and performance of the NZXT C750 PSU. The NZXT C750 PSU features a sleek and stylish design with a matte black finish and gold accents.
The power supply is built with high-quality materials, such as Japanese capacitors and a 135mm fluid dynamic bearing fan, which ensures quiet operation and a long lifespan.
The C750 is also fully modular, which means that all of the cables can be detached from the PSU, allowing for a clean and clutter-free build. The NZXT C750 PSU is compatible with most ATX cases and can support the latest NVIDIA and AMD GPUs up to 30 series and AMD 6000 Series, including the highly anticipated RTX 4070.
The PSU offers a maximum output of 750 watts, which is more than enough to power even the most demanding systems.
Additionally, the C750 has an 80+ Gold certification, which means that it is highly energy-efficient and can help reduce your electricity bill over time.
The NZXT C750 PSU comes with fully sleeved cables that give your build a clean and professional look. The cables are also color-coded and labeled, making it easy to identify which cable goes where. The PSU also comes with a set of cable combs that can be used to further enhance the cable management in your build.
The NZXT C750 PSU is an excellent choice for gamers and enthusiasts who demand high performance and reliability from their power supply. It features a sleek design, high-quality materials, and a fully modular design that allows for easy cable management.
Additionally, the C750 is compatible with most ATX cases and can support the latest NVIDIA and AMD GPUs up to 30 series and AMD 6000 Series. With an 80+ Gold certification, fully sleeved cables, and a 10-year warranty, the NZXT C750 PSU is a great investment for anyone building a high-end gaming PC.
2- Thermaltake Smart Pro RGB 750W
The Thermaltake Smart Pro RGB 750W power supply is a high-performance and fully modular unit that has been designed for gamers and enthusiasts who demand both reliability and style.
This PSU comes with an 80+ Bronze certification, which ensures maximum efficiency, and it features a Smart Zero Fan design that ensures zero noise when the fan operates below approximately 10% working load to minimize audible noise.
Additionally, it comes with a 256-Color RGB fan that adds a stunning visual effect to any build. In this review, we will take a closer look at the features and performance of the Thermaltake Smart Pro RGB 750W power supply.
The Thermaltake Smart Pro RGB 750W power supply has a sleek design with a black matte finish and RGB lighting on the fan. The power supply is built with high-quality components, including Japanese capacitors and a 140mm hydraulic bearing fan, which ensures quiet operation and a long lifespan.
The Smart Zero Fan design ensures zero noise when the fan operates below approximately 10% working load, which is a great feature for those who demand a quiet build.
The Thermaltake Smart Pro RGB 750W power supply is compatible with most ATX cases and can support the latest NVIDIA and AMD GPUs up to 30 series and AMD 6000 Series, including the highly anticipated RTX 4070.
It offers a maximum output of 750 watts, which is more than enough to power even the most demanding systems. The 80+ Bronze certification ensures maximum efficiency and reduced electricity costs over time.
The Thermaltake Smart Pro RGB 750W power supply comes with fully modular cables that allow users to customize their cable management to their liking. The cables are also flat and ribbon-like, which makes them easy to bend and route through tight spaces.
Additionally, the PSU comes with a set of cable ties that can be used to further enhance the cable management in your build. The Thermaltake Smart Pro RGB 750W power supply is an excellent choice for gamers and enthusiasts who demand high performance and style from their power supply.
It features a sleek design, high-quality components, and a Smart Zero Fan design that ensures zero noise when the fan operates below approximately 10% working load.
Additionally, the Smart Pro RGB 750W power supply is compatible with most ATX cases and can support the latest NVIDIA and AMD GPUs up to 30 series and AMD 6000 Series.
With a 256-Color RGB fan, fully modular cables, and a 10-year warranty, the Thermaltake Smart Pro RGB 750W power supply is a great investment for anyone building a high-end gaming PC.
3- be quiet! BN619 Straight Power 11 750W
The be quiet! BN619 Straight Power 11 750W power supply is a premium-grade power supply that has been designed with high-end gaming PCs and workstations in mind.
This PSU comes with an 80 Plus Gold certification, which ensures maximum efficiency, and it features a fully modular design that makes cable management a breeze.
Additionally, it comes with four PCI-Express connectors, making it a great choice for multi-GPU setups, including the highly anticipated RTX 4070. In this review, we will take a closer look at the features and performance of the be quiet! BN619 Straight Power 11 750W power supply.
The be quiet! BN619 Straight Power 11 750W power supply has a sleek design with a black matte finish and a 135mm Silent Wings 3 fan that provides excellent cooling performance while remaining virtually silent.
The power supply is built with high-quality components, including Japanese capacitors, and features a wire-free design on the DC side of the PSU, which enhances cooling and longevity.
The be quiet! BN619 Straight Power 11 750W power supply is compatible with most ATX cases and can support the latest NVIDIA and AMD GPUs, including the highly anticipated RTX 4070.
It offers a maximum output of 750 watts, which is more than enough to power even the most demanding systems. The 80 Plus Gold certification ensures maximum efficiency and reduced electricity costs over time.
The be quiet! BN619 Straight Power 11 750W power supply comes with fully modular cables that allow users to customize their cable management to their liking.
The cables are also flat and ribbon-like, which makes them easy to bend and route through tight spaces. Additionally, the PSU comes with a set of cable ties that can be used to further enhance the cable management in your build.
The be quiet! BN619 Straight Power 11 750W power supply is an excellent choice for gamers and enthusiasts who demand high performance and reliability from their power supply.
It features a sleek design, high-quality components, and a wire-free design on the DC side of the PSU, which enhances cooling and longevity.
Additionally, the Straight Power 11 750W power supply is compatible with most ATX cases and can support the latest NVIDIA and AMD GPUs, including the highly anticipated RTX 4070.
With a fully modular design, four PCI-Express connectors, and a 5-year warranty, the be quiet! BN619 Straight Power 11 750W power supply is a great investment for anyone building a high-end gaming PC or workstation.
4- SilverStone Technology 750W
The SilverStone Technology 750W 80 Plus Platinum Certified Single +12V Rail ATX Power Supply is a top-of-the-line power supply unit that delivers unparalleled performance and reliability.
It is designed to meet the needs of high-end gamers and enthusiasts who demand the best from their power supply units.
This power supply unit comes with a silent 120mm fan with intelligent semi-fanless operation, fully modular cable connectors to reduce clutter, and flexible flat cables that allow for tighter cable management, making it a great choice for the highly anticipated RTX 4070.
The SilverStone Technology 750W 80 Plus Platinum Certified Single +12V Rail ATX Power Supply has a sleek design with a black matte finish and a 120mm fan that provides excellent cooling performance while remaining virtually silent.
The power supply unit is built with high-quality components and features a fully modular design that allows for easy installation and customization of cables. Additionally, the flexible flat cables make cable management a breeze, allowing for tighter cable routing and better airflow.
The SilverStone Technology 750W 80 Plus Platinum Certified Single +12V Rail ATX Power Supply is compatible with most ATX cases and can support the latest NVIDIA and AMD GPUs, including the highly anticipated RTX 4070.
It offers a maximum output of 750 watts, which is more than enough to power even the most demanding systems. The 80 Plus Platinum certification ensures maximum efficiency and reduced electricity costs over time.
The SilverStone Technology 750W 80 Plus Platinum Certified Single +12V Rail ATX Power Supply comes with fully modular cables that allow users to customize their cable management to their liking.
The cables are also flat and ribbon-like, which makes them easy to bend and route through tight spaces. Additionally, the PSU comes with a set of cable ties that can be used to further enhance the cable management in your build.
The SilverStone Technology 750W 80 Plus Platinum Certified Single +12V Rail ATX Power Supply is an excellent choice for gamers and enthusiasts who demand high performance and reliability from their power supply.
It features a sleek design, high-quality components, and a fully modular design, making it easy to install and customize. Additionally, the flexible flat cables and the silent 120mm fan with intelligent semi-fanless operation make it a great choice for those looking to build a high-end gaming PC or workstation with the highly anticipated RTX 4070.
With a 5-year warranty and excellent customer support, the SilverStone Technology 750W 80 Plus Platinum Certified Single +12V Rail ATX Power Supply is a solid investment for anyone looking for a top-of-the-line power supply.
5- Thermaltake Toughpower Grand RGB 850W
The Thermaltake Toughpower Grand RGB 850W 80+ Gold Smart Zero 256-Color RGB Fan Fully Modular Power Supply is a top-of-the-line PSU that is optimized to work with Intel’s latest Seventh generation Kaby Lake processors, making it a great choice for high-end gaming rigs and workstations.
With its 90% efficiency rating, low ripple from 0% to 100% load, and fully modular design, this PSU delivers reliable performance and allows for easy cable management for the highly anticipated RTX 4070.
The Thermaltake Toughpower Grand RGB 850W 80+ Gold Smart Zero 256-Color RGB Fan Fully Modular Power Supply features a sleek design with a black matte finish and a 140mm RGB fan that provides excellent cooling performance while adding a stylish touch to your build.
The power supply unit is built with high-quality components, and its fully modular design allows for easy installation and customization of cables. Additionally, the low-profile flat black cables make cable management a breeze, reducing clutter and increasing airflow inside the chassis.
The Thermaltake Toughpower Grand RGB 850W 80+ Gold Smart Zero 256-Color RGB Fan Fully Modular Power Supply is compatible with most ATX cases and can support the latest NVIDIA and AMD GPUs, including the highly anticipated RTX 4070.
It offers a maximum output of 850 watts, which is more than enough to power even the most demanding systems. The 80 Plus Gold certification ensures maximum efficiency and reduced electricity costs over time.
The Thermaltake Toughpower Grand RGB 850W 80+ Gold Smart Zero 256-Color RGB Fan Fully Modular Power Supply comes with fully modular cables that allow users to customize their cable management to their liking.
The low-profile flat black cables make it easy to bend and route through tight spaces, reducing clutter and increasing airflow inside the chassis. Additionally, the PSU comes with a set of cable ties that can be used to further enhance the cable management in your build.
The Thermaltake Toughpower Grand RGB 850W 80+ Gold Smart Zero 256-Color RGB Fan Fully Modular Power Supply is an excellent choice for gamers and enthusiasts who demand high performance and reliability from their power supply.
It features a sleek design, high-quality components, and a fully modular design, making it easy to install and customize. Additionally, the low-profile flat black cables and the 140mm RGB fan make it a great choice for those looking to build a high-end gaming PC or workstation with the highly anticipated RTX 4070.
With a 10-year warranty and excellent customer support, the Thermaltake Toughpower Grand RGB 850W 80+ Gold Smart Zero 256-Color RGB Fan Fully Modular Power Supply is a solid investment for anyone looking for a top-of-the-line power supply.
6- GIGABYTE 850W
GIGABYTE is a well-known brand in the computer hardware industry, and they offer a range of power supplies to suit different needs. The GP-UD850GM is one of their fully modular 850W power supplies that come with an 80 Plus Gold certification.
One of the most notable features of this power supply is its compact design. GIGABYTE has made sure to reduce the length of the power supply, making it easy to install in any chassis without any space constraints. This is especially important for users who are building a high-end gaming PC with a graphics card like the RTX 4070, which requires a lot of power.
The GP-UD850GM also comes with a fully modular design, which means that you can select the cables that you need and leave out the ones that you don’t.
This helps to reduce clutter and improve airflow inside the chassis, leading to better cooling performance for your components. Additionally, the cables are sleeved, which not only adds to the aesthetics but also makes cable management easier.
In terms of performance, the GP-UD850GM delivers up to 90% efficiency, which is impressive for a power supply in this price range. It also has a single +12V rail design, which provides stable power to your components, including high-end graphics cards like the RTX 4070.
The power supply also comes with overvoltage, overcurrent, and short circuit protection, which helps to safeguard your components from any potential damage.
The GP-UD850GM also comes with a silent 135mm fan, which only operates when the power supply is under load. This helps to keep the noise level to a minimum, even when you’re using demanding applications or games.
The fan also has a hybrid fan mode, which allows it to switch off completely when the power supply is under low load.
Overall, the GIGABYTE GP-UD850GM is a great choice for users who are looking for a compact and fully modular power supply for their high-end gaming PC. It offers excellent performance, efficiency, and protection features, making it a reliable choice for powering components like the RTX 4070.
Factors to Consider
When it comes to buying the best PSU for your RTX 4070 build, there are several factors to consider. Here’s a buying guide to help you make an informed decision:
Wattage: The RTX 4070 requires a minimum of 750W PSU, but it’s recommended to go for a higher wattage PSU for future upgrades or overclocking.
Efficiency: Look for PSUs with at least 80 Plus Gold certification, as they are highly efficient and can save you money on your electricity bill over time.
Modular Cables: Fully modular PSUs offer better cable management and reduce clutter in your PC case, making it easier to work with. Look for PSUs with flat and flexible cables as they are easier to route.
Noise: Consider the noise level of the PSU’s fan, and whether it has a semi-fanless or smart zero fan mode to reduce noise when the load is low.
Brand and Warranty: Choose reputable brands that offer a good warranty period, as this ensures quality and reliability.
Size and Compatibility: Ensure that the PSU fits your PC case and has enough connectors to power your components, including the RTX 4070.
By considering these factors, you can make an informed decision when it comes to choosing the best PSU for your RTX 4070 build. We hope that this buying guide has been helpful in your search for the perfect PSU for your high-end gaming PC.
Conclusion
In conclusion, the NVIDIA RTX 4070 is a powerful graphics card that requires a high-quality power supply unit to run at its best. After reviewing some of the best PSUs on the market, we can conclude that the NZXT C750, Thermaltake Smart Pro RGB 750W, be quiet! BN619 Straight Power 11 750W, SilverStone Technology 750W, and Thermaltake Toughpower Grand RGB 850W are all great options to power your RTX 4070 build. Each of these PSUs offers unique features such as high efficiency, fully modular cables, intelligent fan modes, and compact designs to fit in any PC case.
When choosing a PSU for your RTX 4070 build, consider the wattage, efficiency, cable management, noise level, brand, and warranty. With these factors in mind, you can find a PSU that provides stable power delivery, reduces clutter, minimizes noise, and is backed by a reputable brand with a good warranty period.
Investing in a high-quality PSU is crucial for the longevity and performance of your high-end gaming PC. We hope that this comprehensive guide has helped you in choosing the best PSU for your RTX 4070 build, ensuring that you can enjoy smooth and uninterrupted gameplay for years to come.