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Best PSU For RTX 4080 (650W, 750W, 850W, Gaming)

While upgrading your gaming system with the latest Nvidia graphics card power supplies and wattages are 2 major considerations. You can not attain what you expect from your chosen gaming graphics card without having the Best PSU For RTX 4080. In this article, we are going to cover you regarding this selection by providing a review of its top rated products. Scroll down to dive into it!

After the leap of 2 years Nvidia is adding RTX 4080 in its lineup that is a successor of RTX 3080. RTX 4080 is designed with a feature set that gamers and creators demand and it will be ready to serve them the way they want. Officially it will be available for users in November 2022 just after a month of release of its flagship RTX 4090. With 12 GB or 16 GB memory the GDDR6X is an excellent choice for gamers who need high frame rate at low price point. 

To get full potential from your cetric gaming system you should fulfill your system’s power requirements. With RTX 4080 and along with high to mid range components a PSU of 700 to 800 watts will work absolutely fine. But if you have to pair it up with some top tier components then you can go for a 1000 or 1200 watts PSU. Certification matters a lot when it comes to the reliability and efficiency of PSU, for RTX 4080, 80 Plus Gold certified power supply is enough. 

Cooler master MWE V2 is the overall best product on our list, you can get it for RTX 4080 to cope with its power requirements. Look for EPS connectors for compatibility with modern GPUs and allow the installation of 2 graphics cards at the same time. Moreover, for the silent and better thermal, get Nzxt C750 as a 120 mm FDB fan is integrated. To ensure the durability and lifespan buy a PSU with 100% Industrial-grade, 105°C rated Japanese capacitors. Keep reading for a buying guide that is available at the end of the article!

Our Recommended list of the Best PSU For RTX 4080

  1. Cooler Master MWE Gold 850 V2 Full Modular
  2. Corsair HX Series, HX1200 Fully Modular Power Supply
  3. 1000W Power Supply 80 Plus Gold Certified Fully Modular PSU
  4. EVGA 750 N1, 750W, 2 Year Warranty, Power Supply
  5. Corsair RMx Series RM850x Power Supply
  6. NZXT C750 Bronze ATX Gaming Power Supply

RTX 4080 PSU Requirements

  • Power For 12 GB: Min. 700W, Recommended 800W
  • Power For 16 GB: Min. 750W, Recommended 850W
  • Certification: Min. 80 Plus Bronze, Recommended: 80 Plus Gold
  • Cabling: Full Modular or Semi modular
  • Durability:  100% Japanese 105° C capacitors
  • Connectivity: Via PCIe Gen 5 power cable
  • Clearance: Must have a free expansion slot and have free space of 12 x 5.4 x 3-slot card (2.40) inches for the adjustment of power cables
  • Cable Support: 3x PCIe 8-pin cables

GeForce RTX 4080 Vs Rx 7800 XT

AMD and Nvidia are on the way to launch some new graphics cards in their lineups. Both graphics cards are mid range but manufactured with improvements as compared to their predecessors. Lets inspect the basic difference between these GPUs!

  1. Both graphics cards are based on the latest architecture, RTX 4080 is designed with Lovelace and for Rx 7800 XT RDNA 3.0 is used 
  2. The graphics processor of RTX 4080 is AD103 and AMD used Navi 32 for 7800 XT as graphics processor 
  3. Expectedly both video cards are going on release in November, 2022
  4. These graphics cards equally give gaming support of 39%
  5. There are 2 capacities of VRAM of RTX 4080, 12 GB and 16 GB but 7800 xt comes in 12 GB
  6. However, memory type of both graphics cards, RTX 4080 is designed with latest category GDDR6X and 7800 XT offers GDDR6
  7. The thermal design power of RTX 4080 is 340 watts and 300 watts TDP of 7800 XT
  8. PCIe support of both GPUs are different interface of RTX 4080 is PCIe 4.0 x16 and 7800 xt comes with PCIe 5.0 x16
  9. You can get a PSU of 850 watts for Rtx 4080 and for 7800 XT use 750  watts
  10.  The boosted speed of RTX 4080 is 2505 MHz and by pushing clock speed of 7800 XT you can have up to 2600 MHz
  11.  Display connectors for RTX 4080 is 1x HDMI 2.1, 3x DisplayPort 1.4a and 7800 XT offers 1x HDMI 2.1, 3x DisplayPort 2.0 for video output

1- Cooler Master MWE Gold 850 V2 Full Modular

Cooler Master MWE Gold 850 V2 Full Modular

Cooler master made a next level evolution in its lineup of power supply units by launching a MWE V2. This is an entry level 80 Plus Gold rated power supply that ensures efficient and reliable power output for your PC. Purpose of creating this series is to make a transition from White or Bronze PSUs to Gold without lacking anything. You can easily replace your older power supply as it is affordable and more efficient, you won’t regret your decision. 

Cooler master keeps making improvements to its performance and design with a bit change in price. MWE V2 is ready to improve the overall experience right out of the box to the end users. Due to incredible specs the  manufacturer claims that this will be a meaningful upgrade for your desktop. There are 2 EPS connectors included that make it compatible with modern motherboards and RTX 3050 graphics cards

In terms of this, these connectors give stable current generation to all the universal boards and other components. This newer version has the capability to give high temperature resilience for your gaming PC hardware. MWE V2 has a high operating temperature as compared to its predecessor. This power supply unit performs efficiently and reliably up to 50 degrees celsius temperature. 

Moreover, while working for hours and hours it can get overheated, that is not good for the lifespan of a PSU. For the expulsion of excess heat it is designed with a 120 mm hydro dynamic fan that makes less friction. Rotates smoothly and while low RPM operations it keeps the level of noise low for the prevention of your distraction. Comes with modular flat black wires that reduce cluttering and improve airflow and thermal performance.  


Look at cooler master MWE and MWE V2 head to head to analyze the difference between them. We can say they are identical power supply units, MWE V2 is more efficient than MWE. The type of fan and size is also different, moreover V2 comes with a better fan and is more durable than MWE. 


  • 80 Plus Gold
  • High Temperature Rated
  • Thicker Cables
  • Fully Modular
  • Efficient 
  • Silent 


  • Not so tight load regulation
  • Small gap between the peripheral connectors

2- Corsair HX Series, HX1200 Fully Modular Power Supply

Corsair HX Series, HX1200 Fully Modular Power Supply

For the extremely tight voltages and quiet operation nothing can be as better as Corsair HX 1200. This is a 1200 watts power supply unit that is why you can get it for a powerful PC. Reduces operating cost and excess heat to tackle the power needs and temperature management. PSU has 80 Plus certification that makes it efficient to run cooler but uses less power. 

For the decluttering of cables in your case it offers a fully modular cabling style. Enables you to attach only required cables for the cleaner look and better airflow. To ensure technical support and durability it is packed with a warranty of 10 years. Equipped with a 135 mm FDB fan to emit the excess heat from it and manage its temperature. 

When this fan rotates on Zero RPM fan mode you have virtually silent operation to avoid the destruction. There is a 12V Rail Switch that provides choice to the user of single plus12V rail or multiple plus 12V rails. Engineered with Japanese 105°C capacitors to assure durability and reliability. Offers you 8 PATA connectors for the attachment of computer hardware. 

Platinum efficiency and virtually silent operation gives you experience that you deserve. Corsair HX 1200 is born to deliver solid power output and long term reliability. Due to full modular cabling design installation is easier and gives a great and clean look as a result. Compatible with ATX12V v2.4 and EPS 2.92 form factor, 6th generation Intel Core and Z170 motherboards.


Let’s have a look at the differences between, corsair HX 1200 and RM 1000x. HX 1200 is a newer product and gives better efficiency and SATA connectors plus 200 more watts then RX 1000x. But RM 1000x is 13% cheaper than HX 12000 and provides 4 Molex connectors. 


  • Efficient
  • Ripple suppression
  • Load regulation
  • Build quality
  • Silent
  • Fully modular
  • FDB fan


  • OCP at 5VSB 
  • Bulky 

3- 1000W Power Supply 80 Plus Gold Certified Fully Modular PSU

1000W Power Supply 80 Plus Gold Certified Fully Modular PSU

If you are looking for the best blend of amazing specs and stable output then you can pick 1000W Power Supply by Aresgame. Designed with a fully modular cabling style that allows you to make connections of cables as per needs of your system. The form factor is ATX, it means it is in standard design and it will fit properly in a compatible chassis. Plus, the manufacturer backed it with a warranty of 10 years for your peace of mind. 

Comes with the 80% Gold certification for efficient and reliable performance. Its certification shows that it is ready to deliver up to 90% or higher efficiency for your system. For your desktop computer stable power is essential and it is ensured by the structure of your power supply unit. Aresgame is designed with APFC+LLC+DC-DC structure that makes it able to deliver stable and continuous power output. 

By use of this power supply you can get 1000 watts as power output that is enough for mid to high range desktop systems. Having an amazing feature set and fully modular design you do not only have power for the system but declutter the unnecessary cables. This power supply unit has the capabilities to deal with the power needs of your PC even under higher workloads. Thermal dissipation performance is mandatory for your PSU because if it overheats then it impacts its lifespan. 

Reduction of cables maximes the airflow in the chassis and gives overall improved performance. In addition to this a 120 mm fan is included that dissipates the excess heat from the PSU and keeps it cool. For further prevention from damage comes heavy duty protection such as; OVP, UVP, OPP, SCP, OCP and OTP. Offers quick installation and you can easily place it in your chassis without help of an expert. 


AGS850 and 1000 watts power supply units are 2 variants by Aregame. There is a main difference of 150 watts power output and ACS850 is lower than 1000 watts supply. Both are good for those who have a tight budget; overall performance is a bit identical.  


  • Has protection features
  • Solid build
  • 10 years warranty
  • Full modular 
  • Enough power output
  • Budget friendly 


  • Sleeve bearing fan
  • Mediocre transient response
  • A bit noisy 

4- EVGA 750 N1, 750W, 2 Year Warranty, Power Supply

EVGA 750 N1, 750W, 2 Year Warranty, Power Supply

If you are looking for a power supply unit for RTX 4080 with a tight budget. Then nothing can cover you as better as EVGA 750 N1, as it is available at low cost. Having 30a on a single +12V rail means you do not need to reduce the limit of your component requirement. Instead of this it provides you more options to tackle power demand of your hardware. 

The output of 750 watts is sufficient for a basic computer system, and might be a good choice for a high end PC. Easy installation means you do not need help from an expert for its replacement. EVGA N1 has capabilities to make strong connections and protections that are needed for your desktop. Designed with an excellent feature set, we can say that it is a great asset for your PC while staying on budget.


Comes with dual 6-pin connectors that use the same specs and spaced at a few inches apart from each. Through these connectors you can attach your 2 graphics processing units at the same time. EVGA N1 makes 0 to 25 degree celsius temperature while working at low to medium noise. For the temperature management it is integrated with a 120 mm sleeve bearing fan that dissipates the excess heat from it. 

In addition to this, the auto fan performs an operation silently that can not distract you while using it. To prevent it from any kind of damage heavy duty protection is included such as; OVP, SCP, OPP, UVP and OCP. Its 80 plus Gold certification shows it will work efficiently and reliably under medium workloads. Supports a number of connectors that make connection easier with different peripherals. 


While looking at the differences between EVGA N1 750 watts and N1 650 watts. We analyzed that due to 3 reasons N1 750 is better such as; newer launch than N1 650, 100 watts more power and 3 extra SATA connectors. Meanwhile N1 650 is 22% cheaper in price than N1 750.


  • High quality build 
  • Easy installation 
  • Quiet fan 
  • 6-pin power connections
  • Cheap


  • Cables require much room in chassis 
  • Not a modular PSU

5- Corsair RMx Series RM850x Power Supply

Corsair RMx Series RM850x Power Supply

If you are looking for a power supply unit with efficiency and low noise, you can consider Corsair RM850x. Offers a power output of 850 watts and fulfills demand of most PC typically medium to high systems. The form factor is that ATX might not fit properly in a small chassis, check its compatibility with your PC case first. Comes with fully modular cabling design enables you to make connections of only those cables that are required by your computer. 

Plus, its cabling design reduces cluttering of cables and improves airflow for better temperature management. Equipped with a 135 mm ML fan that utilizes magnetic levitation and custom designed rotors. This fan rotates to expel the excess heat from the PSU and gives high performance at low noise. Provides zero RPM fan mode for the virtually silent working at low to medium loads. 

RM850x is designed with an EPS12V connector to assure its compatibility with 4080 graphics card and RTX 4080 motherboards of modern ages. A power supply is an important asset of your PC as if it is damaged it can crash your entire computer system. Undoubtedly, your power supply unit must be durable and reliable for your peace of mind. RM850x is manufactured with 100% Industrial-grade, 105°C rated Japanese capacitors to give your reliability while ensuring unwavering power. 

For the better low load efficiency it supports modern sleep mode that extremely fastly wakes it from sleep mode. Engineered with Resonant LLC topology along with DC to DC conversion offers consistent and clean power. This topology reduces coil whine too for the quiet and efficient operations. Besides its incredible specs it is backed with a 10 year warranty for peace of mind. this PSU is Compatible with i9-13900K PSU .


While looking at Corsair RM850i and Corsair, both power supply units are identical. They were released in the same year with the same output power and other specs. RM850i is available at 21% less price, that is its an additional benefit.


  • Offers high performance
  • Quiet operation
  • Highly efficient at low loads
  • Low inrush currents
  • Fully modular 


  • on the minor rails high OCP triggering points 
  • Transient response at 3.3V needs improvement 
  • In-cable capacitors

6- NZXT C750 Bronze ATX Gaming Power Supply

NZXT C750 Bronze ATX Gaming Power Supply

Meet Nzxt C750 and have more and hear less from your computer components. Offers a reliable and safe power output of 750 watts while generating less heat. As a result you have cool and silent operations while giving power to your PC. You can take this power supply for lower to mid range computers or sometimes for high end if they require up to 750 watts power. 

Nzxt C750 is here to cope up with power requirements of your high quality build. Designed with an amazing feature set that gives reliable performance and never lets you down. This PSU is 80 Plus Bronze certified that makes it efficient even under 90% loads. Ensures quiet, efficient and reliable power needs of your system while generating less heat and noise. 

Designed with 120 mm FDB fan that ensure the silent performance of the power supply even at high loads. Apart from this, there are capacitors, transformers and coils that reduce electromagnetically acoustic noise. Its form factor is ATX that makes it fitting properly with almost all standard sized chassis. Supports the latest graphics cards of Nvidia 30 and 6000 series by AMD. 

Additionally, it is quite better for DIYer builders due to its effortful installation. Because its cabaling style is semi modular you have to be careful. While attaching and detaching wires for less cluttering in the chassis. Its matt back sleeved cables that resist any kind of damage like heat and fraying. Efficiency of C750 can reach 2% higher than a standard 80 Plus Bronze power supply unit. 


Comparing the Nzxt C750 and Corsair RM750, both deliver the same power output. But C750 is a new product plus it has 2 more Molex connectors than RM750. You can pick RM750 over C750 for 3 reasons such as; it has 2 more PCI-Express 6+2 Pin and SATA and 1 EPS connectors.


  • Offers high performance 
  • Efficient 
  • Long hold up time 
  • Low inrush current 
  • Selectable semu passive operation


  • Noisy 
  • Mediocre transient response at 3.3V
  • Cables not too flexible 

Best PSU For RTX 4080 Buying Guide

Power supply is one of the main components that are necessary for your computer. Because it is responsible to supply power to your entire system that is why its purchase can not be a simple drive. Above mentioned products are capable enough and can be used with your chosen card RTX 4080. From the list our the best overall PSU for RTX 4080 is Cooler Master MWE  V2. 

We also have got you covered if you want the price tag at the lower side, you can buy EVGA N1. This power supply has capabilities to tackle RTX 4080 but if you are not taking top notch hardware for your PC. If you do not want to regret your purchase then you must have to consider some factors before making a decision. Let’s get a look at those factors!


First and foremost consideration is the power output that is required by your entire computer system. You must choose a power supply unit with the most accurate amount of power for a better experience. For RTX 4080 you can take a PSU of 700 watts to 850 watts, for this category you can buy cooler master MWE V2. However, you are using top tier components then make your purchase according to that power requirements. 


To ensure the efficiency of a power supply unit you have to look at its certification. PSUs come with different certifications including White, Bronze, Gold, Platinum and titanium. For RTX 4080 80 plus bronze and gold is fine but for top notch components you can get platinum certification as well. Cooler master MWE V2 offers 80 Plus Gold certification and gives efficient performance. 


You must look at the cabling style for better thermal performance and reduce cluttering in the chassis. Mainly, there are 3 types of cabling for PSU, fully modular, semi modular and non modular. Full modular and semi modular are better choices, allowing the connection of wires as per system’s need. Cooler Master MWE V2 is fully modular, attaches required wires and gets improved thermal performance. 


Your power supply unit has to work hard and strenuously so its chances of overheating are higher. To cope it up you must consider the cooling system that your PSU offers. A PSU with 120 mm to 135 mm fan with fluid dynamic bearings or hydro dynamic bearings are better options. MWE V2 is designed with a 120 mm HDB fan that dissipates heat smoothly plus quietly. 


Another important factor that you must pay attention to is the warranty of your PSU. The duty of a power supply unit is to give current to your entire computer system. Keeping this factor in mind you can not ignore the warrant period of your future PSU. We recommend you to get a power supply that is backed with up to 10 years warrant for the surety of its durability and lifespan. 


Let’s check out the most commonly asked questions about Best PSU For RTX 4080!

How Much RTX 4080 Is Faster Than The RTX 3080?

RTX 4080 gives between 2 to 4 times faster performance than RTX 3080. 

How Much Power Is Enough For RTX 40 Series?

For the latest RTX 40 series of graphics cards by Nvidia you can get a power supply of 750 to 1000 watts varies from model to model. 

How Much Power Is Required For A Gaming Setup?

The capacity of the power supply unit depends upon your selection of hardware components. Generally, you can get 600 watts to 1000 watts power supply unit for a cetric gaming system.


  • Areesha

    Areesha is a tech enthusiast and a freelance writer who loves to share her insights on the latest gadgets and innovations. She has been reviewing tech products for over five years, covering everything from smartphones, laptops, cameras, smartwatches, headphones, and more. She enjoys testing out new features, comparing different models, and giving honest feedback to her readers. Areesha’s reviews are always informative, engaging, and easy to understand. Whether you are looking for a new device, a gift idea, or just curious about the tech world, Areesha’s reviews will help you make the best decision. You can find her work on various websites and blogs, such as [TechCrunch], [CNET], [The Verge], and [Gizmodo]. You can also follow her on [Twitter] and [Instagram] to get the latest updates on her reviews and projects. Areesha is always open to suggestions and feedback from her audience, so feel free to contact her anytime. She is looking forward to hearing from you!

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