Kuppa said: AMD Razen 3600xNvidia gtx 2070 super16gb ram1tb ssd nvmeI was thinking 750w for future expansion, want to add 16 more gigs at some point. Maybe another 2.5 ssd and replace the CPU down the road. Probably won't replace vcard. Is 650w enough?
TSTonyV said: Kuppa said: AMD Razen 3600xNvidia gtx 2070 super16gb ram1tb ssd nvmeI was thinking 750w for future expansion, want to add 16 more gigs at some point. Maybe another 2.5 ssd and replace the CPU down the road. Probably won't replace vcard. Is 650w enough? 650W is technically enough for a 2070 Super and most other high-end video cards right now, but I'm a fan of over-shooting your requirements a bit to leave room for potential upgrades in the future. While I don't expect the next gen graphics cards to have a drastic increase in power requirements, there is a possibility they may have higher power draw which means having some room for upgrades is always nice. Even if they don't, it's better to have it and not use it, then to need it and not have it. Its also good for the sake of running your PSU at optimal power efficiency. PSU's are typically most efficient right at 50% of their power load, and even in a high-powered system you're not usually maxing out the power draw on all your parts.
TSTonyV said: I wouldn't. 850W would not be necessary unless you're running multiple GPUs. Even 750W can be enough for a dual-GPU setup if the rest of your system's power draw isn't too high. In your case, with a Ryzen 5 3600X and a single GPU, even if you try to heavily overclock your 3600 650W should still be plenty, since the 3600 doesn't have a lot of overclocking headroom out of box in the first place. It all ultimately depends on your exact setup and how you plan to use it in the future, but if you don't plan to run multiple GPUs, I'd say 850W is unnecessary and you could save some money by dropping down to 750W or 650W.
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