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Tom's Hardware
This PSU has enough juice to power four RTX 4090s — the HELA 2500R comes with four 12V-2x6 connectors and requires a special wall plug
By Jowi Morales,
2024-06-09
SilverStone’s most powerful PSU, the HELA 2050R, just received a 450-watt upgrade. This new model is called the HELA 2500R and has four 12V-2x6 power connectors and a maximum rated continuous power output of 2,500 watts. This means you’ll need a special 16-amp, 240-volt outlet to run this beast, as the average 110-volt household outlet can only accommodate 1,800 watts.
You can attach up to four RTX 4090s to the power supply with the four native 16-pin connectors, making it easier for you run these high-powered devices without using up all the other eight-pin slots. But even if you use up all the 16-pin slots on Nvidia’s top GPUs, the PSU can comfortably run them all as their 1,800 total TDP (at 450 watts each) will still give you a 700-watt headroom to run the rest of your PC. Aside from these four GPU 12V-2x6 slots, you also get four SATA, seven 8-pin PCIe, and the motherboard connectors.
(Image credit: Tom's Hardware)
This is SilverStone’s most potent PSU ever, but it’s not the highest output you can buy today. That’s because Super Flower also launched a 2,800-watt PSU that also has the same number of connectors as the HELA 2500R, but with more SATA / PERIF slots.
These new, high-powered PSUs aren’t made for gamers with deep pockets (although they can certainly use them). Instead, these cater for the needs of institutions and professionals that need multiple high-end GPUs for their computing needs, like AI training.
However, graphics cards are power-hungry, meaning companies that want to use on-device AI processing require these monster PSUs to power their workstations. In fact, Meta founder Mark Zuckerberg claims that AI growth will be constrained by power limits . If a business runs this 2,500-watt machine for just 50% of the time, it will consume almost 11,000kWh per year — which is 500kWh more than the average annual U.S. household power consumption.
Of course, any business that invests thousands of dollars in high-powered AI systems will want to get its money’s worth. So, you can expect these PSUs to run 24/7, meaning just one HELA 2500R has the power requirements of two households. And if a company invests in ten of these systems, then we’re looking at 20 houses worth of power consumption going into a premises.
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