Which UPS should I pick?

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wallBM

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Aug 19, 2014
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Hi ladies and gentlemen, I have a little big problem with the ups I'll use in my gaming PC, so the components of the PC are this:

AMD FX 8350
liquid cooling corsair h110
2 ram memmorys kingston HyperX Fury 1600MHz
Motherboard Asus Crosshair V formula-Z
Video card Gigabyte Radeon R9 290X
DVD-RW Asus 22X
PSU Corsair RM750
HDD Seagate 1TB 64MB at 7200RPM
And a 32" LED screen...

I'm planning to use more watts from the PSU in a nearly future, with a light overclocking and adding a SSD.

which UPS should I get?

Sorry for my bad english :(
 
Solution
byza
Well i'd approximate the max draw on the PC would be somewhere around 500w give or take 50w so if you add the TV you're looking at minimum 670w and over 1000VA. The 850w/1350VA CP1350PFCLCD should cover it, the 900w/1500VA CP1500PFCLCD would give you a longer run time.

Saying it is a 'pure' sine wave is a bit of marketing mumbo jumbo as sine waves can be significantly different depending on variables so saying it's pure leaves a lot of information out. Also they aren't really pure, just a lot smoother than a stepped sine wave. In any case there is a lot of debate over whether you need a pure sine wave ups, or if a stepped sine wave is ok. People seem to be divided 50/50, especially since utility power certainly isn't a 'pure' sine wave...
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wallBM

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And that UPS will handle the 32" display too?
 
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C12Friedman

C12Friedman

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You can go less than 600W, the UPS needs only to be greater than the computer draws from the wall. The biggest issue you may run into is whether you need a UPS with sine-wave compatibility. Most PSU's with active PFC will want (perhaps need) a UPS that features sine-wave compatibility
 
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wallBM

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So, which UPS you recommend me?
 
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byza

byza

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I wouldn't go lower than 600w. You want to make sure that the UPS can handle the PC at max draw plus 100w for monitors. PC's don't usually run at max draw an monitors are usually under 100w (i'm guessing C12Friedman is using a plasma?) but that provides the headroom. Always want to be a bit higher than you need. You'll need to check the wattage of your TV/monitor, it should be on a label on the back or you can often find it on the web for monitors, TV's not so much. Also lower wattages tend to have lower VA, which may not power the rig.
 
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wallBM

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Do you mean that 600W is the thightest for the PC?
And the screen is actually a 32" led TV with 170W at max consumption.
 
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wallBM

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I have been searching by myself a pure sine UPS, and I finded the CyberPower CP1500PFCLCD. It will work? because I'm thinking in the worst case scenario (at full consumption).
 
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byza

byza

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Well i'd approximate the max draw on the PC would be somewhere around 500w give or take 50w so if you add the TV you're looking at minimum 670w and over 1000VA. The 850w/1350VA CP1350PFCLCD should cover it, the 900w/1500VA CP1500PFCLCD would give you a longer run time.

Saying it is a 'pure' sine wave is a bit of marketing mumbo jumbo as sine waves can be significantly different depending on variables so saying it's pure leaves a lot of information out. Also they aren't really pure, just a lot smoother than a stepped sine wave. In any case there is a lot of debate over whether you need a pure sine wave ups, or if a stepped sine wave is ok. People seem to be divided 50/50, especially since utility power certainly isn't a 'pure' sine wave due to interference. There are some reports of 'buzzing' from PSU's operating on a stepped sine wave but again, people can't agree whether this a problem or not as it can be caused by a few different things. In any case, if you don't mind paying a little extra a pure sine wave model is at least a safer choice.
 
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wallBM

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Ok, I think I'm gonna choose the 1350VA model (because I invested almost all the money in the building of the PC), I think that PSU will do the job, thanks friend!
 
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