With more next-gen technology being released, there’s never been a better time to upgrade your PC.
To fully take advantage of all this incredible tech, you’ll need to ensure your PC has plenty of high-quality power. That’s where ATX 3.0 PSUs come in! These power supplies have been specifically designed to work alongside all the latest demanding hardware to deliver you maximum performance.
We’re here with all the key information you need about ATX 3.0, including a few cheeky top product recommendations. Keep on reading for more!
What are ATX 3.0 Power Supplies?
Designed by Intel, ATX 3.0 PSUs have been expertly engineered to power the latest generation of gaming hardware, including the NVIDIA RTX 40 Series GPUs, Intel 14th CPUs, and AMD Ryzen 7000 series CPUs.
These innovative power supplies will feature the 16-pin PCIe 5.0 12VHPWR power connector, which has been configured to deliver up to 600W, all from a single cable.
In addition to this, compared to the previous standard, the ATX 3.0 PSUs have been designed to effectively handle GPU power spikes. These can result in unexpected loss of power and your power supply shutting down. Unexpected power spikes have been reported with NVIDIA RTX 30 Series, and since the upcoming 4000 Series has nearly double the power consumption, ATX 3.0 has been tailored to counteract this. These power supplies can handle a maximum power spike of up to 2,600W. What’s more, this new standard comes with improved efficiency and reduced power consumption, thanks to the built-in Alternative Low Power Mode (ALPM) settings.
Key Features of ATX 3.0:
The key features of these power supplies are:
- 16-pin PCIe 5.0 12VHPWR power connector
- Quicker system wake up and power on signal times
- 12V rail, which can be boosted to 12.2V
- Alternative Low Power Mode (ALPM)
- Up to 3x GPU power excursion
- Minimum of 175.200 power cycles
- 2.5-5x times higher slew rates on the +12V rail
- Higher than 60% efficiency for 10W loads (2% of max-rated capacity and higher than 70% efficiency)
- Rated for up to 200% of power for 100μs (microseconds)
Will I need an ATX 3.0 PSU?
These power supplies have been expertly engineered for those who undertake high-intensity tasks, such as gaming, streaming, and content creation, whilst taking advantage of improved efficiency and reduced power consumption.
What’s more, if you are going to be upgrading to the NVIDIA RTX 40 Series, then these PSUs will be a must, in order to effectively handle the high consumption ratings and benchmarks of these graphics cards.
Please note, however, that PSUs with over a 450W capacity and no 12VPHPWR power connector can be ATX 3.0 compatible. If you do purchase a new NVIDIA RTX 40 Series GPU, then we recommend that you look for an ATX 3.0 PSU that clearly states it includes a 12VPHPWR connector.
Shop All ATX 3.0 PSUs
Looking to upgrade to an ATX 3.0 PSU? At Overclockers UK, you can find plenty of ATX 3.0 power supplies. We’ve picked out our top recommendations for you below, but if our picks don’t meet your hardware demands, you can browse the full range instead.
ASUS ROG Loki SFX-L 850W Power Supply
- 850W
- SFX-L form factor
- 80 Plus Platinum rating
- Modular
Kolink Regulator 750W Modular Power Supply
- 750W
- PCIe 5.0
- 80 Plus Gold rating
- ATX form factor
- Modular
ASUS TUF Gaming 1200W Power Supply
- 1200W
- 80 Plus Gold rating
- Modular
- ATX form factor
Have You Upgraded to ATX 3.0?
Have you upgraded to an ATX 3.0 PSU? Share your thoughts with us in the comments below.
- 4 min read
Ruth Rowley
Author
Ruth has been with Overclockers UK for over a year and has gone on to write about everything ranging from in-depth hardware guides to monthly game releases.
Outside of writing blog posts, she can be found wrapped in a blanket with her black cat, engrossed in a book or playing life-simulation games such as The Sims, Stardew Valley, and Animal Crossing.
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will the new atx 3,0 power supplies work in reverse with older hardware? for example AMD’s new 7900 xtx doesnt use the new PCIE 12 pin connecter it uses the older connector so would an ATX 3.0 PSU still work fine with a card that utilizes the previous connector?
It would depend on the model and if it includes the 8-pin PCIe connector. The product page or manufacturer’s website should include this information. 🙂
Yes, they will still have standard Pcie Power. It seems PSU manufacturers are calling PSUs with the 12vhpwr ports “PCIe5.0” (no idea they don’t just call it 12vhpwr). ATX3.0 is simply a standard for overcurrent and short protection it doesn’t necessarily mean it will have a 12vhpwr port, they’re just popular because of how much Nvidia out sells AMD in GPUs. Plus GPUs are not the only pcie cards that require supplimental PCIe power. Also I imagine you would easily be able to use a 12vhpwr to a triple 6+2pin cable if needed.