Top 6 Best PSUs for RTX 3090 2021

Here are our top picks for what is the best psu for rtx 3090 gpus in 2021. RTX 3090 is that the new Titan of the 3000 series and currently the fastest on the earth leading every GPU with an enormous performance gap especially the previous-gen Nvidia GPUs AKA RTX 2000 series graphics cards.

Of course, with the rise during this much performance, you ought to expect that the facility consumption also will be high. The RTX 3090 as we all know features over 10,000 Cuda Cores and 24GB of GDDR6X VRAM. it’s the facility to supply 60 fps at 8K resolution and that’s seriously insane performance.

As per Nvidia, the Founder’s Edition RTX 3090 consumes 350W. The consumption will go higher if the cardboard is overclocked and if you employ any of the AIB cards, then the facility consumption will vary and most likely the TDP will likely to extend as AIB cards are generally faster with factory-overclocked settings.

For running RTX 3090, Nvidia recommends getting a 750 Watts of reliable power supply. So, following are the PSUs which can make sure that your gaming session is uninterrupted and your expensive GPU is safe from faulty current and voltage.

Best PSU for RTX 3090

  1. Seasonic Prime TX-750 750W 80+ Titanium Modular Power Supply
  2. Cooler Master Watt 750 Watt Semifanless Modular Power Supply
  3. be quiet! Dark Power Pro 12 1500W Power Supply
  4. EVGA SuperNOVA 750 P2 Power Supply
  5. ASUS ROG Thor 850 Certified 850W Fully-Modular RGB Power Supply
  6. EVGA SuperNOVA 850 P2 Power Supply

1. Seasonic Prime TX-750 750W 80+ Titanium Modular Power Supply

Seasonic Prime TX-750 750W 80+ Titanium Modular Power Supply

Seasonic has been working day in and day out to keep their pace in the list of best PSU for RTX 3090 leading to continuous upgrading their system. For this purpose Seasonic has launched TX- 750 from its Prime series to give more quality to their users. The design may look similar to the other units from this series but the difference is also visible from the surface level.

A power supply of 750 watts is good enough to boost your system and with the help of micro tolerance load regulator it will keep working under low supply as well. Showcasing 80 plus titanium certification is the color of body in satin black and matte silver. With this power in your hand and connected to your system this will easily meet the needs of a gaming setup. The fluid bearing 135mm hybrid fan is here to cool it all down with a full modular design build to let it evaporate excessive heat immediately. Moreover this fan is noiseless so you need not to worry about the distracting sound during your work or play time. The design built allows you to keep the wires connected only the ones which are to be used at the moment.

Prime series has a premium option to control the fan with three modes where there is a fanless mode that keeps your system cooled down without the pitch of noise and more space to keep the sensitive components fresh. A touch of royalty is given by the gold plated connectors with 13 points and 10 SATA cables and much more included in the final package. Above everything else it serves you with 12 years of worry and less life guaranteed.

Notable Properties

  • 750 Watts supply
  • 80 plus titanium rated
  • Micro tolerance load regulator
  • 135mm hybrid cooling fan
  • Premium fan control
  • 62 A Single rail
  • Full modular design
  • Gold plated connectors
  • 12 year warranty

2. Cooler Master Watt 750 Watt Semifanless Modular Power Supply

Cooler Master Watt 750 Watt Semifanless Modular Power Supply

Cooler master justifies its name quite rightly when it comes to PSUs. It is one of the most successful brands in the market dealing with standard, budget friendly and up to the mark with latest cooling solutions.  Receiving global awards in the past few years, cooler master has made its position in the tech world. If you are looking for a power supply unit on the digital market you would probably see cooler master watt 750 WATT for best PSU for RTX 3090.

80 plus bronze certified ensured that it delivers an above average 85% working efficiency. Now it can work double the time even in low load and heavy working shifts. 750 watts of power supply voltage has been a triumph for basic systems having a direct current circuit design for stability in the voltage supply. This is very significant in giving +5 voltage output at max. Other than this its modular design allows you to choose the connecting cables with ease and avoiding clusters of tangled wires at the back of your system.

Coming to the cooling system instilled in this unit is the 120mm silencio fan sealed with LDB bearing and quietly functioning blades that makes little to no noise at all. For noise free computing this metal box will come very handy as it offers 0dB under 15% load and runs smoothly even then for up to 100,000 hours continuously. This device also supplies thick 16 AWG cables for better performance along with other in-box accessories and a 5 year solid warranty. With so much on your hand what more could you ask for!

Key Properties

  • 750 watt ATX power supply
  • Semi-fanless
  • LDB 120mm bearing fan
  • 80 plus bronze rated
  • Dc-to-DC circuit design
  • Modular build up
  • 16 AWG thick PCIe cables
  • 5 year warranty

3. be quiet! Dark Power Pro 12 1500W Power Supply

be quiet! Dark Power Pro 12 1500W Power Supply

Be quite has released a powerhouse of a device with features that no other unit has thought of offering in the best PSU for RTX 3090. This brand has raised the bar to that stature that it has become impossible for its competitors to meet. The features it provides are one of the latest, most reliable, long lasting and definitely high rating specs of all time. It brings the whole of power to the rig with dark power pro 12.

Digging into the qualities of this product, first comes the 1500 wattage supply for it will surely make your jaw drop. It provides 110 to 240 voltages at 17 to 9A with 6+ 12V rails. 80 plus titanium certification enables stability to ATX 12V form factor. Now you consume less power but with the advantage of full usage supply work, it decreases the risk of power wastage. Its working efficiency reduces the standby drain as low as 0.1 watts.

This beast has much more to offer one of which is the fully digital control (including PFC, LLC, SR/12V) resulting in higher performance rate without a single ripple and noiseless operation even at low load such as 96% output at 20% load. This energy saving digital box meets you with a patented frameless fan mounted on top of a tripod. Having a funnel shaped opening it enables optimal air conditioning for a longer period of time. The microprocessors ensure the perfect adjustments of the fan curves without the help of a human hand. The fans are made under the silent wing technology so that this smart creature gets it all!

Notable Specifications

  • 1500 watts power supply
  • 80 plus titanium rated
  • Full digital control
  • Overclocking key switching 6x 12V rails, 1 huge 12V rail
  • Silent winged fan 135mm
  • Funnel shaped cooling concept
  • 105 degrees Japanese capacitors

Be quiet dark power pro 12 has gained all the reliability and trust it needs to survive with the Japanese capacitors putting an approved stamp on its papers. With a fully digital concept it serves with higher signal quality, best protection and voltage stability and regulation all in one.

4. EVGA SuperNOVA 750 P2 Power Supply

EVGA SuperNOVA 750 P2 Power Supply

EVGA remains unbeatable in the line for best PSU for RTX 3090 for its super quality checked features. Its durability and longevity in performance is enough to make every opponent envious. Now it has introduced 750 P2 from the SuperNova series to crush other units to the ground. To include all the features its users demand, EVGA is here for the rescue.

This device is much more than just style and looks with its 750 wattage power supply it comes pretty handy in this price range. 80 plus platinum certified suppliers are known to give away higher efficiency rates and often come with a full modular design. Same is the case with SuperNova 750 P2 as it contains a fully manual design to put in the only necessary cables and keeping the rest of them in the box safe. Other than its flexible cabling system it comprises of Japanese capacitors ensuring 100% reliability to its name.

Further in the tale of this puppy is a quiet 140mm fan having double ball bearing so that it functions without a noise and lets you focus on what you love the most. Moreover the ECO intelligent thermal control enables the cooling system to work less even at low power but fully operational output.  Other than that a plus point in this device is that it is NVIDIA SLI and AMD Crossfire compatible which is very much suggested by the gaming community. With advanced protection services such as OVP, UVP, OPP, OCP and SCP this comes with a solid 10 year warranty sealed.

Key Characteristics

  • 750 watts supply
  • 80 plus platinum certified
  • 140mm double ball bearing fan
  • Fully modular LLC circuit design
  • Heavy protection
  • 10 year warranty
  • 100% Japanese capacitors
  • 2 EPS connectors
  • 10 SATA connectors
  • 4 Molex connectors
  • 4 PCIe 6+2 pin connectors
  • NVIDIA SLI and AMD crossfire ready

5. ASUS ROG Thor 850 Certified 850W Fully-Modular RGB Power Supply

ASUS ROG Thor 850 Certified 850W Fully-Modular RGB Power Supply

Looking for a power supplier that has everything you need and the one you can afford from the best PSU for RTX 3090 line is how you will come across ASUS ROG Thor 850W. This smart device has been designed by the team of brilliant engineers to provide expert level performance to make it to the top. After knowing what it has to offer this will be something you definitely want!

ASUS ROG Thor for sure stands out of the crowd for its many features including an OLED screen that shows the real time wattage supply having Aura Sync lighting and no sound quality. Being an 850 watts unit may seem quite mainstream at first but it also comprises 80 plus platinum certification which is enough to make the ratings go higher and higher every day. This means that now you have a stable power supply and durability within your budget. Most of its cables are individually sleeved leaving more efficiency in work on your plate.

RGB lighting gives off a very pleasurable sight and stylish look while the 100% Japanese capacitors make this system very much durable and trustworthy. Ultra protection of this device such as OPP, OVP, SCP, OCP and OTP is a plus point to its characteristics.

Key Features

  • 850 watts power supply
  • 80 plus platinum certified
  • Full modular design
  • 0dB cooling fan with dust proof wings
  • OLED power display
  • RGB lighting
  • 100% Japanese capacitors

Get your hands on a high end premium device in a fully modular design allowing you to have a connectivity you only need and getting rid of the confusion of tangled wires. While this metallic box appeals most to the gaming community as ASUS has targeted them specifically it has more to showcase for regular PS unit buyers as well. Such as is the 0dB cooling fan which has dust proof slightly curved wings to cool off the heat. There is a power button for the fan to switch it to noiseless mode next to the power port. Although this unit is smart enough to only let the wings spin if the computer is operating something that demands more supply resulting in over heating like crypto mining etc. but when it runs, it runs smoothly and leaves the delicate components safe.

6. EVGA SuperNOVA 850 P2 Power Supply 

EVGA SuperNOVA 850 P2 Power Supply

The time has come to let EVGA do its magic with slightly smaller units as it did with 1200 watts and 1500 ones. Forming the features in line you get to know how this brand keeps its products working fantastically even in lower budget and smaller units. For this purpose it has designed SuperNova 850 P2 maintaining a pocket friendly budget.

Stepping into the game EVGA SuperNova P2 has left everyone thrilled with its unbelievable design, features and powerful performance. Including 850 watts of power supply it has a rugged matte finish and is 80 plus platinum certified which means it saves energy and is quite reliable when it comes to working under low load supply. It gives off a maximum percentage of 92 or higher under typical loads like 220-240VAC. 

This money making machine is a modular build style so that the cables do not get tangled and there are necessary cables left on board and improving airflow inside.  Smart functioning makes this device a get-your-hands-on deal with fan spinning when the system heats up, saving lots of energy to be wasted. A 140mm double ball bearing fan can create a very minimal noise; it has another fan less mode for optimized cooling under ECO mode by switching on the button on the front. Making this device durable and reliable among the users is its 100% Japanese capacitors for strong build and long term usage plus the 12V rail providing all the capacity it needs. It concludes the offer by serving one of the longest warranties of all of 10 years and worrying less about life.

Notable Properties

  • 850 watts supply
  • 80 plus Platinum rated
  • Full modular style
  • 100% Japanese capacitors
  • 140mm fan double ball bearing
  • 10 year warranty
  • EVGA environment friendly mode

Also See: PSUs for RTX 3080PSUs for RTX 3070

So which PSU you are going to pair with RTX 3090 cpu?

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