The new ATX 3.0 standard adds the new PCIe 5.0 12VHPWR connector that features 12+4 pins instead of the traditional 6 or 8. The new PCIe 5.0 cable can supply up to 600 Watts of power to the graphics card. Here are some of the best ATX 3.0 PCIe Gen 5 power supply units that you can get for the Nvidia RTX 4090 and 4080 graphics cards.
ATX 3.0 is Intel’s new specification standard for existing PSUs. In short, ATX 3.0’s main purpose is to help provide more reliability, and better power efficiency and provide graphics cards with up to 600 watts of power. ATX 3.0 is created in response to graphics cards’ increase in performance and the ever-increasing need for power.
Best ATX 3.0 PCIe Gen 5 Power Supply Units 2022
The following are some of the best ATX 3.0 PCIe Gen 5 power supply units that you can buy for next-generation graphics cards such as the RTX 4090 and RTX 4080:
- Gigabyte GP-UD1000GM PG5
- Thermaltake Toughpower GF3
- Silverstone HELA 850R
- MSI MPG A1000G PCIE5
- Corsair HX1000
Gigabyte GP-UD1000GM PG5 1000W PCIe 5.0 80+ Gold Modular PSU
Form Factor: ATX | Capacity: 1000W | Type: Fully Modular | Rating: 80+ Gold
The Gigabyte GP-UD1000GM PG5 is a PCIe 5.0 PSU with a 1000W capacity and 80+ Gold rating. It is fully modular, so you only need to plug in the cables you are going to use. Which makes cable management much easier. A +12V single rail ensures ideal power output and stability.
The 80+ Gold certification ensures 90% efficiency at 50% load. This improves power efficiency and results in lower heat and power waste. The PSU uses high-quality Japanese capacitors which means increased durability and longevity.
Thermaltake Toughpower GF3
Form Factor: ATX | Capacity: 750-1650W | Type: Fully Modular | Rating: 80+ Gold
The Thermaltake Toughpower GF3 is an ATX 3.0 PCIe Gen5 compatible PSU that comes in a wide range of capacities from 750W up to 1650W. So you will find a variant that meets your needs. This is a fully modular power supply unit so you only need to plug in the cables that you are going to use. This will make cable management so much easier.
The Thermaltake Toughpower GF3 PSU is available in black and white. It features high-quality Japanese capacitors and comes with low-profile flat cables. The PSU also has a smart zero fan mode.
Silverstone HELA 850R Platinum 850W PCIe 5.0 Modular Power Supply
Form Factor: ATX | Capacity: 850W | Type: Fully Modular | Rating: 80+ Platunum
The Silverstone HELA 850R is an ATX 3.0 820W power supply that supports PCIe Gen 5 and has an 80+ Platinum rating. It has a modular design and comes with flexible black modular cables. The PSU uses Japanese electrolytic capacitors and has a semi-fanless switch function.
MSI MPG A1000G PCIE5
Form Factor: ATX | Capacity: 1000W | Type: Fully Modular | Rating: 80+ Gold
The MSI MPG A1000G PCIE5 is ATX 3.0 and PCIe Gen 5 compatible. It has a single rail design and is 80+ Gold certified. This is a fully modular power supply unit that comes with flat cables. The PSU has plenty of ports for powering your PC components.
Corsair HX1000 1000W Modular 80+ Platinum PSU
Form Factor: ATX | Capacity: 1000W | Type: Fully Modular | Rating: 80+ platinum
While the Corsair HX1000 is not marketed as an ATX 3.0 PCIe Gen 5 PSU, Corsair has confirmed that its power supply units are compatible with the RTX 4000 series of graphics cards. There is also an official CORSAIR 12VHPWR 600W PSU cable available to order from the Corsair store.
The Corsair HX1000 is a fully modular 1000W ATX power supply that has an 80+ Platinum rating. The PSU comes with a 135mm FDB fan that has a zero RPM mode to reduce noise. It supports ATX12V v2.4 and EPS 2.92 standards and is backward compatible with ATX12V 2.2, 2.31, and ATX12V 2.01 systems. It also comes with a 10-year warranty.
These are some of the best ATX 3.0 PCIe Gen 5 power supply units that you can buy right now. If you are interested in upgrading your build then you can check out our recommended Z790 and X670E motherboards.