‘4 fire hazards on a single product’ – the Asus ROG Thor 3000W Titanium III Edition can power 4 Nvidia RTX 5090 GPUs
- The newly announced Asus ROG Thor 3000W Titanium III Edition 20 has a dual-voltage mode, able to switch between its full 230W output and a more conventional 1600W setting at 115W.
- True to its namesake, it’s 80 Plus Titanium rated, meaning you can expect between an 89-94% load percentage when under stress, enough for intensive gaming and workstation tasks. It’s the highest rating currently available for consumer-level PSUs.
- Actual use cases for the Asus ROG Thor 3000W Titanium III Edition 20 are fairly limited, as it’s more so a case of having (seemingly) unlimited overhead rather than meeting the demands of today’s current gaming/productivity tech.
Asus has announced a mammoth new behemoth of a power supply at Computex 2026. It’s called the ROG Thor 3000W Titanium III Edition 20, and it’s aimed at power users who demand the most out of their machines.
Unique to this new power brick is the dual-voltage adaptive design, switching between the full 3000W (230V) and a more conventional 1600W at 115V.
Specifically, Asus’ new 3000W PSU has support for up to four RTX 5090 graphics cards. In case you’re wondering, that would, theoretically be a rig with support for 96GB GDDR7 VRAM. Considering the unsubtle near-600W power draw of those high-end Blackwell video cards, running four times is certainly demanding… and very, very expensive.
With all that power comes a substantial amount of heat, as components work overtime when under heavy loads. Said to be a “GPU first”, the Asus ROG Thor 3000W Titanium III Edition 20 has what’s been described as an “intelligent voltage stabilizer”, which is said to ensure peak stability and performance when switching between the two voltage modes.
This new 3000W PSU is 80 Plus Titanium certified, meaning that you can expect between an 89-92% load percentage when tested between 20-100% power usage. That’s the best that you’ll get from a consumer-level power supply, which is up to 94% rated when under load. That gives this brick a USP when weighed up against its more-conventional workstation sibling, the 80 Plus Platinum-rated WS 3000W.
Other current PSU standards are enforced as you would hope for, including PCIe 5.1 and ATX 3.1 for the latest bandwidth and connectivity options, essential for running this much hardware through one core workstation in 2026.
A key element of the projected lower thermal performance is the patented ROG equalizer PCIe power cable, which is etched and can deliver more balanced power with its higher current-carrying capacity. This also means the machine is far less likely to struggle under stress. The threads are also embossed and rated at 50 degrees lower than the maximum safety limit, too.
It seems to be far more than just a gamer-centric version of the company’s Pro WS 3000W, which was released back in November 2025, and likely to be just as pricey. That workstation-focused power brick can be bought now for $800 / £840; however, Asus’ ROG lineup tends to demand a higher sticker price, so we wouldn’t be surprised to see a starting MSRP crossing the four-digit mark.
Does anyone really need a 3000W PSU?
There’s no shortage of high-performance and high-capacity power supplies on the market, as the likes of the previous front-runner, the Asus Pro WS 2200W, can attest. Other manufacturers have muscled in on this territory as well, such as Silverstone, Cooler Master, and Seasonic. It can be argued that most workstations don’t need up to 3000W, but it’s hard to imagine a gaming rig that can really benefit from such a high power draw as well.
It’s worth remembering that SLI has been dead since 2021, so having multiple RTX 5090 graphics cards (or an AMD equivalent) won’t boost gaming performance. Instead, having more available VRAM in your machine is best used for local AI and deep/machine learning, 3D rendering and content creation, and heavy multi-tasking.
It’s a niche product for an incredibly small minority of people who could actually utilize this level of power, but it remains an option for those who want (seemingly) unlimited overhead.
Depending on the MSRP, you can weigh the ROG Thor 3000W Titanium III Edition 20 against the Pro WS 3000W to see if the dual-voltage mode is worthwhile or not. Either way, your power bill may go through the roof.
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