On Fri, Mar 04, 2022 at 04:55:33PM +0100, Emanuel Berg wrote: > Henning Follmann wrote: > > >> I've heard that for gaming you would want a 600~800W PSU > >> [1] but how do I know how many W I need for my computer > >> use? I think the most resource-intense I do would be > >> compiling and watching multimedia on mpv. [2] > > > > That depends on the components in the computer. The reason > > why gaming configuration often require a more powerful power > > supply, because these use parts which consume in general > > more power (gpu mainly). > > Okay, but if I don't play games will the GPU still require > that much? You want to plan your PSU's maximum output according to your hardware's maximum input. Everything else will entertain you debugging obscure problems. Or rather: we want you to... (se above). Otherwise you'll be coming here to debug obscure problems ;-) > The GPU is a > > msi Nvidia Geforce GT 710, 2GB DDR3, PCI-E2.0, HDMI+DL-DVI-D The Internets [1] say this one will take 19W maximum. But never trust the Internets :-) > I think the other components are > > case > fans > keyboard > motherboard > RAM > SSD > > are any of those negligeable? The case, I guess. Most important is the motherboard /with/ CPU. Look those up. I think you can lump RAM, SSD and the rest into a handful of watts, say 5 to 10. As others have said, add some headroom. Cheers [1] https://www.techpowerup.com/gpu-specs/geforce-gt-710.c1990 -- t
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