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Best Power Supplies For RTX 3070, 3080, 3090

Which best Power supplies for RTX 3070, 3080, 3090 should I buy? The RTX series is the latest line of high-end graphics cards from NVIDIA. They are engineered for maximum performance with advanced ray tracing and artificial intelligence in real time.

Best Power Supplies For RTX 3070, 3080, 3090

The RTX 3070, 3080, and 3090 all share a lot of similarities in terms of power supply requirements, but there are some key differences that make each card unique. First off, the GPUs themselves provide different levels of performance depending on what you need them for; if you’re looking to game at 1080p or 1440p then the RTX 3070 is most likely your best option while people who want 4K gaming should go with either the RTX 2060 or 2070 instead.

The Ampere RTX 3070, 3080, and 3090 are some of the best power supplies on the market today. They have a 1080 watt PSU with 80 PLUS Platinum efficiency rating. This means that it can provide up to 92% efficient for typical loads at 50% capacity load. It also has an incredible 120mm fan design that can work without any noise whatsoever! These are great if you are looking for a high-end power supply unit.

The new Ampere RTX GPUs are some of the most powerful graphics cards on the market, but they also require a lot of power. If you’re building or upgrading your PC for one of these, it’s important to make sure that you have a good power supply capable of handling the load without cutting out.

It’s hard to know what the best Power supplies for RTX 3070, 3080, 3090 are. There are so many different brands and models out there that it can be difficult to find one that meets your needs. That’s why we’ve put together this list of the 9 best Power supplies for RTX 3070, 3080, 3090. We hope you find it helpful!

Top 9 Best Power Supplies For RTX 3070, 3080, 3090

1- Antec Earthwatts Gold Pro (Best PSU for RTX 3070)

Antec Earthwatts Gold Power Supplies for RTX 3070, 3080, 3090
  • Gold certified
  • Quiet and efficient
  • Industrial grade protection
  • Save money with a power-efficient system

The Antec Earthwatts Gold Pro is a high-performance PSU designed with a long life fan and Japanese capacitors. Balanced to achieve the perfect balance of electricity efficiency, this 650W power supply will give you less trouble when it comes to overclocking your desktop’s GPU and CPU. The 120mm fan ensures that your system stays cool, even in stressful situations where heavy use puts an extra strain on the power supply. Even if something goes wrong, CircuitShield protection ensures that there are limits to what can happen – you’ll be able to make up for any issue before disasters strike! The whisper-quiet fan further enhances the silence of operation so users can dedicate their full attention to gaming. With an 80 PLUS gold certification promising over 92% efficiency, the Antec Earthwatts Gold Pro isn’t just an attractive piece of hardware, it’s a clear choice to save time and energy as well as your laptop battery life all while not compromising quality or portability.

2- EVGA Supernova 650 GA, 650W (Best PSU for RTX 3070)

 EVGA Supernova 650 Power Supplies for RTX 3070, 3080, 3090
  • delivers all of the necessary power for your hardware components.
  • Lowering your electric bills/costs.
  • The fan has long lifetime and low noise.
  • deliver quality service, which eliminates any need for future upgrades.

The EVGA Supernova 650 GA, 650W is an 80 Plus Gold certified power supply that provides up to 90% efficiency (with 120V AC inputs) and operates quietly even at high loads. It features a fully modular design with extra wide cables, 100% Japanese capacitors on all the necessary voltage nodes, LLC resonant circuit design technology combined with DC-DC converter circuitry for 3.3/5 V stability on each rail (4 rails in total). This model also has double ball bearing fan bearings which minimize heat and last longer than conventional sleeve bearings. With Intelligent Auto Load Design , this 650W power supply automatically delivers all the right amounts of voltage without the stability issues of one large transformer. Finally it includes EVGA’s eco mode which easily reduces operation of system fans by 20%, perfect for just about any type of PC. This reliable and efficient power supply would be great as a part of your new gaming rig or as an upgrade for the PC that holds the business data you need to keep up with. The EVGA Supernova 650 GA is both modular and gold certified, meaning less clutter in your cables and better efficiency. Connectivity also becomes easier with this product, as it has 8 PCI-E connectors and 2 ATX12V on board connections.

3- Pure Power 11 500W CM (Best PSU for RTX 3070)

Pure Power 11 500W Power Supplies for RTX 3070, 3080, 3090
  • Affordable for large builds
  • Perfect for desktops with multi-GPU setups
  • Reliable and efficient power supply to ensure stability
  • Quiet, stable power output from the be quiet! 120mm fans

Pure Power 11 500W CM power supplies are the purely-performance versions of be quiet!’s award-winning Straight Power range. The 80 Plus Gold efficiency means that Pure Power works harder, cutting down on waste energy and lowering electricity usage – saving you more money. Match this with two strong 12V rails, stability thanks to Active Clamp and Synchronous Rectifier (SR) technology, DC-toPower conversion for even tighter voltage regulation under heavy cross-loading conditions, a 120mm SilentWings 3 design fan connected to your desired speed using our unique FanDecision 2.0 system which lets you set the performance level required at any time, plus other sound optimizations like noise shielding carefully wrapped around necessary parts for optimal silence. You don’t have to fear reaching 500 watts thanks to this powerful Be Quiet! PSU which utilizes Active Clamp and Synchronous Rectifier (SR) technology. With high product quality you’ll find reliable operation, silence optimized 120mm be quiet!

4- Seasonic Focus Plus Gold (Best PSU for RTX 3080)

Seasonic Focus Plus Gold Power Supplies for RTX 3070, 3080, 3090
  • Save money on energy bills
  • Silent operation at under 30% load
  • High-quality unit with fluid dynamic bearing
  • PCB based socket arrangement

Meet the Seasonic Focus Plus Gold. With a single rail design, this power supply has more than enough to power any system you dream of owning. Its compact size and full modularity will help streamline your desk or PC-build project. And its 80PlusGold efficiency with silent fan control makes it the perfect piece for anyone who wants many watts without too much noise! This product is a high-quality, small power supply that is reliable for years. It’s perfect for gaming computers or any other small PC where ventilation and keeping things compact are key factors. Full modular use only the cabling you need to reduce clutter and create a more efficient system with better airflow. This Seasonic PSU contains 80 PLUS GOLD efficiency of up to 87% at 20% load, 90% at 50%, and 87% at 100%. The “hybrid” silent fan control on this PSU functions in three operational stages: fan-less mode, silent mode, and cooling mode so you get the best possible balance between heat dissipation and silence, especially helpful when noise can be distracting while working or playing games!

5- Corsair RMX Series RM750X, 750W(Best PSU for RTX 3080)

Corsair RM750X Power Supplies for RTX 3070, 3080, 3090
  • Extremely tight voltage regulation for perfect stability and power
  • Quiet operation with fans that spin only when needed
  • A fully modular cable set provides a clean look and easy installation
  • 80 Plus Gold certification reduces operating costs and excess heat

The Corsair RMX Series RM750X is a full modular power supply that is 80 Plus Gold certified for delivering high efficiency and low operating costs. It has a 100% solid build quality and runs very quietly, and it boasts integrated Zero RPM Fan Mode with virtually silent operation at low loads. Offering high-current wires on all cables, corsair offers great ripple suppression so your system can run reliably without unexpected shutdowns or odd buzzing noises. The RMX series 750W power supply proves that great features and performance don’t have to cost a fortune. The perfect PSU for powering high-end builds featuring the latest Intel Skylake and Z170 motherboards, this powerful PSU’s 100% all Japanese capacitors give you solid voltage stability while also keeping your ripple current low under heavy loads. Plus, its fully modular design lets you use only one cable type (even better if it matches your cable management!) for quick and easy installation inside any system with dual 8-pin 12V PCI express and 8P power connectors.

6- Corsair RM850 (Best PSU for RTX 3080)

Corsair RM850 Power Supplies for RTX 3070, 3080, 3090
  • 80+ Gold Certified, efficiency makes it cost and heat friendly
  • Fully modular design for ease of use and great looking results
  • Fully modular DC cables for clean, great-looking build results.
  • Zero RPM fan mode ensures virtual silence at low/medium loads

The Corsair RM850 is the power supply you need to complete your rig. With an 80 plus Gold certification, this unit is designed for higher efficiency while generating less noise and cooler temperatures. This rock-solid PSU features high 105 degree rated capacitors that are industrial grade for electrical performance and reliability. The fan also has a maximum lifespan of 100,000 hours with zero RPM fan mode at lower loads with the cooling fan switching off entirely when not needed to save energy. The fan is also designed not just to be low noise but ultra quiet, isolating your computer from unwanted distractions so that it can perform without interruption or distraction, which is always better when reaching those high levels of productivity in gaming or any other field that puts a strain on computing power. Lastly, with Microsoft modern standby compatibility this will make sure all instances of sleep are rapid – allowing near instantaneous wake times without compromising battery life or service levels!

7- EVGA Supernova 850 P2, 850W (Best PSU for RTX 3090)

EVGA Supernova 850 Power Supplies for RTX 3070, 3080, 3090
  • 80 Plus Platinum efficiency
  • ECO fan system with zero noise
  • Industry leading efficiency for cooler operation, lower electric bill
  • Quieter fan runs in low load to medium load operations

The EVGA Supernova 850 P2 – “Platinum Performance” is a high quality power supply from an industry leader, with 100% Japanese capacitors designed to last for 10 years. It has impressive efficiency under typical loads at 92% (115VAC) and 94% (220VAC~240VAC). Features like peripheral and PCIe adapters and its fully modular design make it excellent for any system configuration, while 140mm double ball bearing fan offers outstanding cooling performance that keeps your systems running without noise or vibrations. It has solid build quality and provides excellent performance at transient loads. Furthermore, it also has an excellent response to load changes- something many power supplies struggle to achieve. This PSU offers up to 88 amps on its 12v rail which allows you unparalleled stability on an impressive range of PC setups. This PSU accepts the max output of 850 watts, has dimensions 86mm (H) x 150mm (W) x 165mm (L), fan size 140mm, fully modular cable type and provides ten years of warranty for complete customer satisfaction.

8- Corsair RM1000x (Best PSU for RTX 3090)

Corsair RM1000x Power Supplies for RTX 3070, 3080, 3090
  • Tight voltage control
  • Gold-certified Efficiency
  • Fully Modular DC Cables
  • Zero RPM fan mode for silent operation

Build yourself a quiet, efficient system that looks good and runs smoothly with the Corsair RM1000x. In a world where PCs run hotter and louder, the Corsair RM1000x is a breath of fresh air. This power supply is 80 PLUS Gold certified, so you know it’ll kick out clean, reliable power to every component in your rig. Additionally this unit packs all Japanese 105 capacitors for premium performance you can count on long term. Plus, Zero RPM Fan Mode ensures virtually silent operation at low and medium loads while 6th Generation Intel Core processor Ready means compatibility with 6th generation processors like Skylake and Z170 motherboards. Finally, the fully modular design turns building custom PCs into an easy process since there’s absolutely no wire mess left behind when you’re done – they’re neatly tucked away inside the power supply until it’s needed again. And during those moments when you need some juice, the fully modular design makes your builds and upgrades easy, with clean, great bright results that will last for years to come thanks to our ten year warranty program.

9- Seasonic Prime TX-1000 (Best PSU for RTX 3090)

Seasonic Prime TX-1000 Power Supplies for RTX 3070, 3080, 3090
  • Efficiency up to 94%
  • Excellent ripple noise suppression
  • 80 PLUS Titanium rating
  • Quieter than other power supplies on the market

Seasonic Prime TX-1000 be Eco-friendly with the high-performance power supply that gives you better value for your money. Save electricity, clutter, and maintain a cool A/C by customizing it with only the cables you need.
This power supply also features Micro Tolerance Load Regulation under 0.5 percent to provide an ideal choice for high performance systems without waveforms distortion so every PC user can enjoy maximum performance at all times of use! This is the perfect power supply for high performance systems, especially with its 80 plus Titanium. This means less energy gets wasted during conversion, so you can save more green while saving your green. In addition to being efficient and beautiful, some may want a silent power supply without extra hardware – luckily with the grade Titanium inside – you can minimize your energy usage and run cool & quiet in “Silent Mode”. With full modular capabilities and a premium hybrid fan control (with fanless mode) that makes sure to meet all our cooling needs, this Seasonic Prime TX-1000 definitely lives up to it’s name – recommended by enthusiasts everywhere!


Choosing best Power supplies for RTX 3070, 3080, 3090 can be hard because they need to fulfill your needs. We will help you figure out which one is the best for you, so make sure that you choose one that suits what you need.

If you want a power supply for RTX 3070, then the EVGA Supernova 650 GA is the best PSU for RTX 3070 and is also reasonably priced. The Antec Earthwatts Gold Pro is more expensive but may still be worth considering.

The Seasonic Focus Plus Gold is the best PSU for RTX 3080. The Corsair RM850 is a good option if you want to stay safe with your power needs. We chose an 850 watts power supply because it can handle the most power of any PSU on the market, and that way you are not risking running out of energy when using your RTX 3080.

The best PSU for RTX 3090 is the EVGA Supernova 850 P2, but it might not be the best one if you want high-end. You could get the Corsair RM1000x which is more expensive, but it has headroom for your hardware components and your GPU. It’s also expensive.