What is the best PSU for a gaming PC?

The best power supply for PC gaming

1. Corsair RM750x (2021) The best power supply for high-end graphics cards.
2. Seasonic Prime Titanium TX-1000. The best 1KW power supply.
3. Corsair CX450. The best cheap PSU.
4. XPG Core Reactor 650W. The best 650W power supply.
5. Corsair AX1600i.
6. Fractal Design Ion SFX 650 Gold.

Do you need 850W PSU?

For most PC builds A large portion of PCs requires only 850W of power headroom for full loads. Even with a capable NVIDIA GeForce RTX 20-series GPU and AMD Ryzen 9 or Intel Core i9 processor will likely not require more than half of this capacity.

What is a good PSU?

The Best Power Supplies You Can Buy Today

1. Corsair CX450. Best Cheap PSU ($60/£60 or less)
2. Corsair RM550x (2021) Best PSU: Up to 550 Watts.
3. XPG Core Reactor 650W. Best PSU: Up to 650 Watts.
4. Corsair RM750x (2021) Best PSU: Up to 750 Watts.
5. Corsair RM850x (2021) Best PSU: Up to 850 Watts.
6. Corsair AX1000.
7. be quiet!
8. Corsair AX1600i.

Is EVGA power supply good?

Whether you go with Corsair or EVGA, you’ll get a quality power supply with a great warranty. In general, EVGA’s power supplies are slightly more efficient and compact in size. On Corsair’s side, many of their PSU’s including the excellent RM series are some of the quietest on the market.

Is an 850w PSU Overkill?

Yes, it’s enough, but it might not be ideal. An RTX 3080 uses up to around 370W under peak load, and a Ryzen 9 5900X uses up to around 150W under peak load.

What Watt PSU do I need for gaming?

If you’ve calculated that your system is going to use 500 watts (a common number for a straightforward gaming build), choosing a PSU with 600 or 650-watt output could be a good option, as it will give you some overhead to work with, and also allow for potential future upgrades.