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SLI with GTX 580 Classifieds and 1500va 900w UPS

post #1 of 7
Thread Starter 
I decided to get another GTX 580 Classified in order to SLI my rig. I was psyched.

Of course during shipment of the gtx 580 my Seasonic 1250w PSU died. I did not have a UPS. This is my first component failure and it happens during the eve of my first SLI setup.. frown.gif

In a hurry, without much research I bought the CyberPower CP1500PFCLCD - PFC Sinewave UPS 1500VA 900w and the EVGA SuperNOVA 1300 G2 80 PLUS GOLD Certified 1300W Active PFC PSU.

My setup:
i7 2700k
16GBs Ram
4 hard drives plus one ssd
1440p 120hz 27inch PLS monitor
2 EVGA GTX 580 Classifieds
1300w PSU

Will the 1500va 900w UPS be sufficient or is it a risk? Will a 900w UPS damage any components in my PC if overloaded? Or would an overloaded UPS get damaged? I searched around but got a lot of different info and I'm super frustrated.. Sorry if this is a redundant post.

I used the Power supply calculator and it was around 870 watts... So I am cutting it close. If I pull in more than 900w while gaming will I shut down?

I bought everything kinda quick, Im worried about the UPS, what do you guys think?
Edited by skilly - 10/11/13 at 10:16pm
post #2 of 7
the goal of a UPS is to give you time to shut off your computer. You will not be able to run for more then a few minutes at that power level. I doubt you will have any issues though it should hold up. Not familiar with what happens when you overload one though tongue.gif. Im sure it would kill your pc no different then overloading the psu.
Edited by dmfree88 - 10/11/13 at 10:31pm
Intel Overclocker
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Intel Overclocker
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Intel i7 4790k Delidded + Lapped ASRock Z97 Extreme4 MSI Twin Frozr GTX 660  Corsair Vengeance Pro 2400mhz DDR3 
Hard DriveHard DriveOptical DriveCooling
OCZ Deneva 2 R series 400GB SSD WD Green 4TB HDD Asus DRW-24B1ST Phanteks PH-TC14PE_RD 
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Windows 10 Seasonic 650w M12II Phanteks Enthoo Pro M with Acrylic side Cobra e-blue 
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intel core 2 quad q8200 Dell studio stock Dell studio Stock Corsair Force 3 SSD 
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Acer x173w Seasonic M12II 650watt Semi-Modular PSU Apevia x-dreamer4 (with side window and red) 
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post #3 of 7
Thread Starter 
I just want clean power and a chance to shutdown.. The power in this building is kinda crappy I guess, but I very rarely get full power outages. And the chances of a power outage while Im gaming is prob rare IMO. Im mostly concerned about damage to anything in the PC.

Im still not sure how my PSU died but it killed two MB's but one came back to life somehow. I had one in my main rig and one to test in a crappy rig. The test rig had totally different parts than the main rig but when running graphic intensive games it shutdown my PC and seems to have killed the sata ports. The PSU still starts and can post a MB but I do not trust it and sent it for an RMA.
post #4 of 7
check the warranty on the UPS. If it doesnt come with a protection warranty take it back and get a different one. Most UPS come with a protection warranty but you will want to read the fine print. Usually only covers up to like $2500 or $5000 worth of pc parts. But generally this is only covered with "proper use". You will want to refer to the warranty as to whether or not your PC may be too powerful to be considered "proper"(may only cover up to a 900w pc or something). I could be totally wrong but I would check just to be sure. If it did not come with atleast some sort of coverage id take it back.

If you can get a better one for just a little more and can still take it back i would still do that just to have more buffer room. If not and its covered by the warranty then i wouldnt worry about it too much.
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Intel Overclocker
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Intel i7 4790k Delidded + Lapped ASRock Z97 Extreme4 MSI Twin Frozr GTX 660  Corsair Vengeance Pro 2400mhz DDR3 
Hard DriveHard DriveOptical DriveCooling
OCZ Deneva 2 R series 400GB SSD WD Green 4TB HDD Asus DRW-24B1ST Phanteks PH-TC14PE_RD 
OSPowerCaseMouse
Windows 10 Seasonic 650w M12II Phanteks Enthoo Pro M with Acrylic side Cobra e-blue 
CPUMotherboardRAMHard Drive
intel core 2 quad q8200 Dell studio stock Dell studio Stock Corsair Force 3 SSD 
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FX-8350 GA-990FXA-UD5 MSI 7870 Hawk Edition Gskill 1600 2x4 GB 
Hard DriveOptical DriveCoolingOS
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Acer x173w Seasonic M12II 650watt Semi-Modular PSU Apevia x-dreamer4 (with side window and red) 
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post #5 of 7
My 600VA doesnt give backup properly if my 650w psu + gtx 760 are under load.
If I have a power cut while I'm playing a game, my pc sometimes just shuts off with UPS beeping the overload tune.
Check the pc in my sig and compare it to your's tongue.gif you'll get an idea of what's the limit for 600VA ups and then you can decide for your own UPS. biggrin.gif
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post #6 of 7
Thread Starter 
Alright you guys convinced me I need to return this UPS now.. lol

Its either:

http://www.newegg.com/Product/Product.aspx?Item=N82E16842102145

or

http://www.newegg.com/Product/Product.aspx?Item=N82E16842102129

The first one is 1500 VA 1050 Watts $342.00

The second choice is: 2000 VA 1320w $479.00 obviously the better choice.
But it requires a NEMA 5-20R receptacle .. I live in an apartment and would need to get an adapter. But if the power is ****ty anyways here would that be stressing the breaker? I live in an apartment so I cannot upgrade anything. But from someone that's recently upgraded their electrical, the standard outlets can handle up to 1400watts.. But I'm still worried.. Dont wanna burn the place down.. rolleyes.gif

Oh man, I think I went over my head this time..

Thanks for any feedback.. smile.gif
post #7 of 7
The 1500VA doesnt sound bad at all. You wont be running the pc for 30 minutes or so after power cut so it should be fine.
What I did is got a $200 inverter(was saving those $200 for a new mobo frown.gif ).. Added connection to the wall socket with the inverter. And my UPS to the same socket.

So overall after power cuts my ups just backs up enough for a few seconds and then the inverter kicks in and I can run it for like 4 hours.

1500VA will last around 2 minutes at a 900w load. If you could calculate how much your system is really pulling under load, it will be easier and better to decide if you really want to go higher than 1500VA.
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Sexy
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