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My Overkill PSU - Page 2

post #11 of 17
There are no drawbacks other than efficiency loss, but that's very marginal. When you aren't pulling even 1/5 of your PSU capacity, it was a waste of money, but it doesn't hurt.
post #12 of 17
Quote:
Originally Posted by Born For TDM View Post

Someone in my household could use a 1000 watt + PSU, so would I see a difference in heat/efficiency switching to a good 650 watt?
- thanks
Honestly, the difference is measurable, but I couldn't tell you whether or not it is even worth the effort or additional expense of another psu.

I personally run a 1050W (max, 850w cont.) that I have been using for a solid 5+ years. The one in my sig. There is no way I am fully utilizing it either... My electric bill for last month was 41 dollars, so... frankly I am not worried about it.

If I was running it 24/7? You bet I would swap it out.
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post #13 of 17
Thread Starter 
Thanks for the input and info everyone
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post #14 of 17
Quote:
Originally Posted by Born For TDM View Post


Someone in my household could use a 1000 watt + PSU, so would I see a difference in heat/efficiency switching to a good 650 watt?
- thanks

 

There would be a difference, but you probably wont notice it.

post #15 of 17
When i went from a 80 plus to a 80 plus gold PSU i could see my power bill go down over time

So yes higher efficiency is something you can see but its not a huge difference

The PSU you have now is going to cost you more to run then a 650 watts and it also makes more heat

Again its not a huge difference but it is still a difference
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post #16 of 17
Quote:
Originally Posted by splinterize View Post

There would be a difference, but you probably wont notice it.
Oh you notice it, the question is will you care?

For me it might result in a buck a month, for others the difference could be a dollar a week.
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post #17 of 17
most PSUs run best ~50% load but that isn't what to watch out for; its best to have the wattage 20%-80% between idle and full load. (ok, now that i stated what most probably already know)

there is a pretty severe drop in efficiency under 20% load; between 3% - 10% depending if its, platinum, gold silver bronze or 80+ rated; the higher the rating the lower the efficiency loss. a few good sites, like johnny guru comes to mind, tests for low load efficiency if you are interested at how much loss your unit has.
Reviews - Corsair HX1050 1050W

you're still at 80+ rating, so its not bad. if you look at the wattage - 24.4 watts



and looking at the first page of that review (the link points to the second page) your unit has a thermally controlled fan. - thats good because if it was sensed to the load you could potentially be sitting there getting hot while idling. but your fan will increase RPMs as the heat rises keeping your PSU cool. thumb.gif

yeah you're overkill but compared to an 80+ or bronze unit; you're not losing much and that fan is keeping you from having a heat problem


feel better? smile.gif
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