Minimum recommended power supply for rtx 3090 is 750 Watt, so we’ve reviewed the best psu for rtx 3090 gpus. Keep in mind that specifying the minimum power supply unit requirement mean you need to use equal to or greater than 750W power supply.
Below we’ve tested 750 Watt, 850 Watt, 1000 Watt and 1500 Watt power supplies, which are compatible with 3090. We are sure that these will work perfecly with 3090 compatible motherboards as well.
Recommended Best PSU for RTX 3090
- Seasonic Prime TX-750 750W 80+ Titanium Modular Power Supply
- Cooler Master Watt 750 Watt 80 PLUS Bronze Certified Power Supply
- be quiet! Dark Power Pro 12 1500W Power Supply
- EVGA SuperNOVA 750 P2 750W Power Supply
- ASUS ROG Thor 850 Certified 850W Fully-Modular RGB Power Supply
The new and improved Seasonic prime TX- 750 has been on the board for so long that it has grown familiar with its position in the list of best PSU for RTX 3090 and there is a reason for it to be there after all.
This bad boy comes in handy with 750 wattage of power supply and its 80 plus titanium certification is how it manages to give off a steady working efficiency that goes as high as 94% even on a load of 500W.
Being on terms with the hybrid fan system which has a power button on the back of the unit, the fan itself is a fluid dynamic bearing 135mm device that works wonders when it comes to cooling the heat off.
It has been instilled with a wireless design that has increased the airflow and reliability having no restriction from the layout. Moreover a fully modular cabling allows you to choose the wires you need to attach on that specific time and get rid of tangling cables all at once.
If that was not enough, Seasonic also offers solid protection services such as short circuit protection (SCP), over voltage protection (OVP), under voltage protection (UVP), protection over power (OVP), over temperature (OTP) and over current protection (OCP). Along with a huge backing of 12 year free of worry life warranty this unit has beat the opponents of its field.
- 750 watts power
- 80 plus titanium rated
- Hybrid fan mode
- Full modular design
- Fluid dynamic bearing 135mm fan
- 12 year long warranty
Cooler master has inspired many reviewing sites and artists to try out their master watt 750 and it has not failed them into disappointment at all since this product has been added in the cheapest PSU for RTX 3090.
This brand has combined reliability, flexibility and durability all in one device with pocket friendly budget, so that you don’t get to have a second thought about it even after you get to have your desired features.
Such features comprise of 750 watts voltage supply to all your system with 80 plus bronze rated certification. This will not only help in maximum output of the current but also remain stable in the flow as much as 85%.
When a unit works this hard it has to be heated at some point but worry not as it has a sturdy liquid dynamic bearing beside the 120mm silencio fan that works silently and provides a lifelong cooling for the fragile components.
All this is possible because of the thorough circulation of oil in the fan bearing and helping it flow smoothly when the fan blades start spinning. Its significant direct current circuit is how it manages to stay flexible and stable during the function. Above all this cooler master is serving a 5 year warranty to maintain the trust of its users.
- 750 wattage
- Semi modular type
- ATX supported
- 80 plus bronze certified
- 120mm dust proof fan
- Heavy-duty LDB bearing
- 5 years warranty
- PCIe thick cables
- DC-to-DC circuit
Due to 80 plus titanium rating, Dark Power pro 12 can be a good substitute for gaining five star ratings but that is not all with it because it carries a powerhouse of a performance rate in the tech hub. If you are scrolling in the section of good quality PSU for RTX 3090 you will for sure find this product on top because of its dynamic specifications.
The high ending 1500 wattage of power is how it is upgraded to a better version of dark power pro 12 pushing the certification to its maximum strength. The newest tweak to flex off this machine is its all digital design variant. Being a modular cabling device it allows you to choose the wire attachments as per need.
Among everything else and due to digitalizing the managing system it has been designed to switch from a single to multi rail option and vice versa through an overclocking key. Doing the math that is there to prove its rating is simply letting you utilize more current instead of letting it vanish in the circuit and leaving you just paying the heavy bills.
Its wire free interior regulates the PFC and LLC combination so that you can easily rely on single 12V rails if need be. Moreover reducing the unwanted turbulence in the airflow it has a funnel shaped opening under the grill to let the air pass out efficiently while the silent frameless winged fan works noiselessly.
- 1500 watts maximum power
- 80 plus titanium rated
- Digital power management
- Frameless silent winged fan
- Funnel shaped opening
- Modular cabling system
- 12V rails overclocking switches
- Full bridge, DC-to-DC topology
EVGA superNOVA 750 has got some dazzling features to stand by if you are struggling to find a super fast and moving power unit. It is an energy efficient product that has 80 plus titanium rating which is why it saves the trouble of long bill payments of your electricity as well as less power wastage consuming the full potential of voltage supply. Under normal to low load its efficiency rate is 92% higher ensuring the system is in good hands.
This beast is NVIDIA SLI ready device meaning that now you run several NVIDIA compatible graphic cards for endless gaming while you have this buddy taking care of your setup. Fully modular design is how the cluttering of wires can be avoided and making the airflow easier to pass out.
Moving towards the amazing cooling system SuperNova 750 p2 contains a double ball bearing fan having an outstanding thermal profile reliability that keeps the power supply unit working for longer time.
The overall performance is made credible with the usage of high quality and solid Japanese capacitors to maximize longevity and consistency in working hours.
In addition to that it has a DC-to-DC layout circuit that helps improve efficiency and stability in current flow. All this is saved and sealed packed with EVGA’s 10 year lifelong warranty.
- 750 watts
- 80 plus platinum-rated
- Fully modular cabling
- 100% Japanese Capacitors
- 140mm double bearing fan
- 5 protection services
- LLC resonant circuit
- 10 year long term warranty
ASUS has been worldwide famous mainly for its motherboards, monitors and other devices but it has stepped on this side of the road by introducing ASUS ROG Thor and it stands its name in the list of high rated Power supply for 3090. Considering it an out of the box creation here is why it is said so.
First off is the 850 wattage supply to all the components of your system having an 80 plus titanium rating to add stability and better power consumption in the power division. Apparently stout looking Thor power unit has a full on modular design to avoid tangling wires and allowing more space for a smoother airflow out from the box.
Talking about the airflow a fan comes into your mind and as you must be wondering what is special about it, Thor PSU has a dustproof double bearing fan that is as noiseless as a shadow during its operation. What is different about this product from all others is the OLED power display which represents the power count on a digital screen on the unit through aura sync RGB lighting.
ASUS ROG has also installed massive heatsinks for optimized cooling whenever there is a rush of overheating among the parts of the unit. Its 10 year long warranty takes away all the second thoughts out from the picture.
- 850 watts
- 80 plus platinum certification
- 100% Japanese capacitors
- Dustproof zero double bearing fan
- ROG heatsinks installed
- Aura sync RGB lighting
- Fully modular cabling
- 10 year long term warranty