![]() 3D rendering can do it (the preview visualizations are pretty CPU intensive). There are a lot of video encoding tasks that can do it. Most of what I know is from reading Jonny Guru's responses on my posts and others when this was a new issue, current Corsair engineer.Īs for workloads. Other anecdotal evidence from a few sources where undersized power supplies died under the onslaught of RTX3080. There were also a smattering of forum posts of people experiencing this problem. Igor's lab has pretty good coverage of the spiking issue. That will just make for a computer much larger than I would want. I probably would not opt for a 450W+ GPU if I could avoid it. Also there are limits to what I would be willing to cool in a system, and I am about there with a 350W GPU. GPUs will come with appropriate adapters and PSUs will as well for a while. Just as there was, and still is, a market for ATX 1.x and even AT power supplies. There will still be a market for ATX 2.x PSUs for at least ten years. It takes a long, long time for ATX standards to shift. Worrying about PCIe 5.0 and ATX 3.0 isn't really worth it yet. They don't often list the OCP limits on PSUs, so you more or less have to rely on reviews or known good power supplies. GPU power spikes go well beyond the average power consumption. Regardless, if you are not planning for a worst case scenario, or accounting for PSU aging over time, it could bite you later. I don't know about you, but I tend to benchmark my PCs when I build them to see how they stack up. While I agree that CPUs are not likely to reach maximum draw while gaming, that wasn't really listed as what the system will be used for, so we can't make that assumption. However, this thread was regarding the accuracy of PSU calculators, which are suspect. There are entire threads dedicated to power supply quality.
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