on pc part picker it says 405 watts do i only need a 650 or 500 or should i buy a 750 or more
usually will be dependent on the GPU you have
geforce 770
Minimum Recommended System Power is 600 W for GTX 770 so i would get a PSU bigger that 600 Watts
thanks
No problem!
depends on the system, depends on the power supply, i'm sure you'd be fine with 500, more doesn't really hurt
Could run a 770 on a good 450W. 600W is good for other considerations. Sweet spot is really 500-550W
If you game hard on it you risk burning out the PSU The card says that it requires 600W SO i would not go any smaller it prob would run on a 550 watt but for a few dollars more get a 600 or a 650.
Depends on the quality of the PSU. An RM450 can run a 780ti, H100i, a few HDDs, typical system, and still have a bit to spare. That's a 80+ gold unit. Usually advise investing in efficiency above watts, since, the power delivery should be more stable.
Nothing wrong with a very nice low wattage psu, but I think it's a bit more economical to go with a decent 500-600 watt psu. Plus leaves more room for upgrades.
those numbers are just so they don't get sued when someone tries to run it in a worst case scenario
I agree. However, I would invest in an efficient 500W before a less efficient 600-700W unit. The Corsair CS450 or CS550 can be found cheap. A gold 550 would still leave almost 150W of headroom.
Have you had any issues with power draw fluctuation tripping the self tests on these things? Because I have had that problem on some of my miner and i haven't been able to sort it out :( - I would not use the best 450W PSU on a system with a 600W GPU you could damage the GPU over time and actually it can be hard on the HDDs as well. Additionally I have started buying cheaper PSUs recently because if you get the correct size I haven't noticed a difference - modular connecters and what not. at a significantly lower cost. That might just be me being cheep though.
Yea there are a lot of myths and facts with power supplies. I really do want to test it my self someday, but honestly am too worried to lose good hardware. Wish I still had my two 6970's, would have been fun to try that on a cx 430 XD
Again, you're looking at quantity over quality. A higher efficiency power supply will deliver more stable, cleaner power to a card. If you buy a higher wattage, lower efficiency unit, you're actually at a greater risk of fluctuations etc. Component quality > watts.
https://www.youtube.com/watch?v=ajiN9aVOv4A
Just have a quick flick through the video. Really high-end system on a 450W.
I do remember seeing this video, was pretty shocked by the results. The only thing would be long term usage, then again its sorta tough to say. I do agree quality is above almost everything, but I've had very very few psu's go out on me. Hell, I have a cooler master with no certs that ran longer than an ax 850i. So, it's really hard to say. Perhaps I've had better luck, but in all honesty I've always tried to have a 100 watt clearance over the recommended wattage. I'm sure you're fine with both (either 450 or 600) as long as its got decent reviews, and certifications are always a plus.
Yeah, the RM is specifically designed to be thermally efficient, and low noise. By going with a lower watt, you have to take these things into account. You can't push a lower watt, lower quality unit to its limits and not expect trouble.
I'm saying that he should get headroom, but efficiency is a better investment before an overkill amount of watts. A higher watt, lower efficiency is still going to run up power bills.
Great video thanks for the share!
I would still be concerned about running it over time.