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post #11 of 19
Thread Starter 
question is will a higher wattage PSU lower the power draw on the UPS? this I do not know.

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post #12 of 19
@OP

Mind you can give us which model of the APC you're using?
Every APC has it own limitation of jolt and VA can handle. The warning sign usually when the UPSwill warn you that if there is an power outage. Your UPS will dried out instantly with this constant amount of wattage you're using. Most probably it's just a warning in advanted.

You might want to go for 1500VA series UPS.
Edited by djriful - 10/31/11 at 10:11am
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post #13 of 19
^ the 1k+ UPS are very expensive.

I found it is cheaper to buy a second power supply, run the Graphics cards off the secondary Power Supply and the system off the main, then run the System to the UPS.

Have a good circuit breaker for the Secondary PSU. In the event of an electrical problem your system will stay on so you don't lose your data.

Use software that in the event of an electrical problem the system will automatically close programs and shutdown correctly.

Or buy another UPS and run it for the graphics cards (use 2 different outlets).

This is one way.
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post #14 of 19
Quote:
Originally Posted by Blaze1961 View Post
question is will a higher wattage PSU lower the power draw on the UPS? this I do not know.
yep if the efficiency of the PSU is higher then the load on the UPS will be lower but I doubt even a platinum rated PSU will lower the power draw to the point that it will fix your problem. the only solution is to buy a bigger ups OR just plug it on the wall and start playing

just a fyi. my PSU is only 850w but with my kill-a-watt meter when I run furmak and prime at the same time my load goes above 1050w+
post #15 of 19
Thread Starter 
Unless I know for sure that a 1200+ watt PSU will solve the issue. I'll just sell the second card before spending any more money LOL quite honestly I am pretty happy with the performance of just the one GTX-590. So if anyone is in the market let me know
Edited by Blaze1961 - 10/31/11 at 10:22am
post #16 of 19
I'm using one of these:

http://www.ncix.com/products/?sku=58...ure=OPTI%2DUPS

It seems fine for wattage (Corsair 1200AX in case) but when running stuff maxed it sometimes has problems flipping in and out of AVR boost. The system wants to suck more voltage out of it than the wall can provide to the UPS I guess.

I would go bigger and probably go with an Online instead of a Line Interactive but that stuff all seems to want NEMA 5-20P or NEMA L5-30P plug types which my little office room isn't equipped with LOL
Edited by Tuthsok - 10/31/11 at 11:53am
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post #17 of 19
Quote:
Originally Posted by Blaze1961 View Post
Clubber my PSU is rated @ 1100 watts.
That does suck if it ends up being a UPS problem , but with the amount of power those two GPU's you have can draw.....I would think you would need something a little stronger than an 865w UPS. I think it would be fine for running something like a pair of 580's or something like that......but you're pulling about twice as much.

I know you mentioned you didn't want to upgrade the UPS of yours , but here is one under $400.00 and it should easily take care of any power problems. >>> http://www.newegg.com/Product/Produc...82E16842102090

For myself , I'm looking at building my next rig with something along the lines of a single 580 at first , then put in another 580 later on sli , and I was going to go with something like this >> http://www.newegg.com/Product/Produc...82E16842102048

I think the cyberpower UPS are the best bang for the buck , and they look pretty sharp.
    
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post #18 of 19
Thread Starter 
Clubber and Tuthsok thanks for the links and help.
post #19 of 19
Quote:
Originally Posted by clubber_lang View Post
I know you mentioned you didn't want to upgrade the UPS of yours , but here is one under $400.00 and it should easily take care of any power problems. >>> http://www.newegg.com/Product/Produc...82E16842102090
I agree that the CyberPower UPS units are great but with this one be sure that you run it on a 20 Amp circuit. If you look at the 4th picture on that newegg page it notes that a 20 Amp wall outlet is required and shows a picture of that NEMA 5-20P outlet I mentioned in my first post in this thread.

Most wall outlets in homes are 15 Amp, at least here where I live. If you think of changing the breaker and the outlet to accommodate something like this be sure that the wiring in the wall is the correct gauge for 20 Amp. If not it could over heat and cause fire! o_O
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