Originally posted by: MrDudeMan
Originally posted by: JAG87
Originally posted by: MrDudeMan
Yes, that is great advice! Based on all of the links I posted with factual information, it is definitely a good idea to recommend an 800-1000W PSU. Someone who truly wanted to give good advice would have advised against a PSU in that range, not recommend one. The facts don't lie - no system mentioned in this thread or owned by anyone here, other than a quad SLI system, will draw even CLOSE to 800W from the wall. Not even close.
Why the hell would one advise agains an 850W or a 1000W power supply. Can you please explain to me the base of your logic? what part of a 1000W power supply am I advising against? the price? you know the old saying you get what you pay for? this applies specifically to power supplies.
Its just a fact that with a 500W load, a 300 dollar 1000W power supply will do a better job and will last longer than a 150 dollar 620W power supply. Why? Because the 1000W PSU was built with components that are made to handle 1000W, and thats why it costs more. Not because its "higher wattage". The 620W power supply might have great components too (like the Corsair does), but its still RATED for 620W, and hence with a 500W load you are putting 80% of strain on the power supply, while with a 1000W you are only putting 50% strain. Let me ask you something, would you rather be walking or running? If you had to do it for 12h a day, which one would wear you out and tire you faster? If you can't understand that, then I dont know how the hell you became an engineer.
:roll: I can understand what you are saying just fine. A monkey can understand that. Thank you for ignoring my other points in several of my previous posts where I clearly showed facts negating some of your previous statements. The link from the Inquirer in the other thread is very accurate (see above to compare the results - they are the same).
Before we argue about any of this though, I'd like to know how you are so sure of the quality differences. Please post some kind of relevant, factual information regarding the quality of the PSUs you indirectly referenced. If you can prove what you are saying, that would be a great start.
Also, and just a side note, walking/running doesn't relate to electronics if they are used within their specifications. They may offer slightly more impedance depending on the thermal load, but cycling is what causes failures. Even though takes several hundred thousand cycles to really cause a failure due to thermal loading alone. Materials, even cheap ones, don't just break because they were turned on and off even thousands of times. If the device remains saturated and active, the difference in thermal loading is negligible. It would be great if you could post some facts proving otherwise, because until then I'm going to go with what I know, which is real PSU design and component ratings.
Lastly, I said be realistic. Video cards are only flexing their muscle when you are playing games, otherwise they are essentially idling. You will not be playing games 12 hours a day, so your system will not be at "500W" or 80% load very often. If you did that for even an exaggerated 5 hours a day, big deal? The majority of the time the computer is on, unless it is only turned on for gaming, it will be essentially idling unless you are number crunching, which still doesn't use the video cards. You would use 50% or less of a 620W supply all the time except gaming. Stressing it for those few hours is hardly a big deal. It's not like you are over-driving it - it's still in spec.
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