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Does a higher watt PSU increase my electric bill? - Page 2

post #11 of 29
Quote:
Originally Posted by itzzjason;12389281 
thanks everyone. all got rep'ed

i'm on newegg searching for a PSU and i'm at the search criteria, there's different 80 plus certified's:
80 plus certified
80 plus gold certified
80 plus silver certified
80 plus bronze certified

which saves more electricity?

Don't focus on the 80+ junk. What is your build going to consist of? That's going to tell us what you should be looking at for a PSU. And what's your budget for a PSU?
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post #12 of 29
.3 kw difference in price @ load. so if you pay $.10/Kw then you would pay $.03/hr more @ load.
Edited by JedixJarf - 2/14/11 at 7:03pm
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post #13 of 29
Quote:
Originally Posted by itzzjason;12389281 
thanks everyone. all got rep'ed

i'm on newegg searching for a PSU and i'm at the search criteria, there's different 80 plus certified's:
80 plus certified
80 plus gold certified
80 plus silver certified
80 plus bronze certified

which saves more electricity?

The ratings are not a definitive guide, but 80+ Gold is the best rating. If I were going to buy a new PSU I would get one with a 80+ Gold rating.
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post #14 of 29
Quote:
Originally Posted by pioneerisloud;12389283 
And yet you'd actually get better efficiency by going with less than that even wink.gif. Your rig would run beautifully off around 350-380w.

+


At max load on my system, I'm within the heart of the efficiency curve of my X-750.
I'm not interested on how small a PSU I could get away with.

For the OP:
EMCKHJJ28 $30 off promo code till 2/17/11 ...hurry!biggrin.gif
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088&nm_mc=EMC-IGNEFL021111&cm_mmc=EMC-IGNEFL021111-_-EMC-021111-Index-_-PowerSupplies-_-17151088-L05A

//
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post #15 of 29
Quote:
Originally Posted by kink;12389514 
+


At max load on my system, I'm within the heart of the efficiency curve of my X-750.
I'm not interested on how small a PSU I could get away with.

For the OP:
EMCKHJJ28 $30 off promo code till 2/17/11 ...hurry!biggrin.gif
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088&nm_mc=EMC-IGNEFL021111&cm_mmc=EMC-IGNEFL021111-_-EMC-021111-Index-_-PowerSupplies-_-17151088-L05A

//

1) No you're not. If you really think you need to be at 50% load to be efficient, you're wrong. Why does everybody seem to think this? confused.gifProof here. So please stop spreading false information.

2) How can you POSSIBLY be blindly making a PSU recommendation, when you have absolutely NO IDEA what his intended build is? Seriously...
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post #16 of 29
I suggest you pick a few psu names and search them through ocn database. There are many that were reviewed here and on johnny g. It should be easy pick'n then. Plus if you're investing in a high w unit then usually you're not concerned about power usage, am I right?
    
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post #17 of 29
Quote:
Originally Posted by yellowtoblerone;12389596 
I suggest you pick a few psu names and search them through ocn database. There are many that were reviewed here and on johnny g. It should be easy pick'n then. Plus if you're investing in a high w unit then usually you're not concerned about power usage, am I right?

He can also look at the sticky for recommended PSU's here. wink.gif But we need to know his planned build, to point him in the right direction.
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post #18 of 29
Quote:
Originally Posted by kink;12389514 
+


At max load on my system, I'm within the heart of the efficiency curve of my X-750.
I'm not interested on how small a PSU I could get away with.

For the OP:
EMCKHJJ28 $30 off promo code till 2/17/11 ...hurry!biggrin.gif
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088&nm_mc=EMC-IGNEFL021111&cm_mmc=EMC-IGNEFL021111-_-EMC-021111-Index-_-PowerSupplies-_-17151088-L05A

//

No you arent.
And you wasted money when building. THAT is why you should be interested.

Also, Listen to Pioneer, the man knows what he is talking about.
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post #19 of 29
Actually since PSUs are usually more efficient at ~50% loads (and if PSU is more efficient or as efficient as current one to begin with), it might reduce power bill but ONLY A BIT and it depends on how big you choose. i.e. 1000W on system that requires 300W, yeah not really. On one that requires 600W, about perfect for efficiency. Then again a system requiring 600W could get away on a quality 650W. Just with higher load it'd be less efficient most likely.
Edited by xd_1771 - 2/14/11 at 7:33pm
post #20 of 29
Quote:
Originally Posted by xd_1771;12389632 
Actually since PSUs are usually more efficient at lower loads (and if PSU is more efficient or as efficient as current one to begin with), it might reduce power bill but ONLY A BIT.

It really depends on what PSU is being looked at. Some (Most?) PSUs don't do well out of certain load percentages. And the argument that they run best at 50 is pretty BS. Its not always wrong but its not something to vouch for.

http://www.overclock.net/power-supplies/872013-50-load-myth.html
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