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urgent question about wattage and current UPS

post #1 of 4
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will a 4.7ghz 2600k, gtx 470, and gtx 285 run off of a 550W UPS?


and if not, will a brand new philips power strip protect against damage if there is an outage or power surge?

we have a lot of monsoons and lightning storms around here so running through the wall outlet is not an option.
 
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Simba
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post #2 of 4
I'm running a 2600k, HD6950, plus a little more off of my 550W UPS. The only problem is I get ~ 20 min on the battery if the power goes out but thats enough time to shut everything down

edit: I've also ran an i7 970 @ 4.2 ghz, GTX470 @ 825 core on it as well.
Edited by selectstriker2 - 10/3/11 at 9:05pm
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post #3 of 4
Quote:
Originally Posted by srsparky32 View Post
will a 4.7ghz 2600k, gtx 470, and gtx 285 run off of a 550W UPS?
Most all PCs draw less than 200 watts and rarely more than 350 watts. Since the only function of a UPS is temporary (and 'dirtiest') power, and since it quickly degrades in its three year life expectancy, then 500 watts means it will still output 350 watts after three years.

The word 'dirtiest' is when a UPS is in battery backup mode. When connected directly to AC mains, power is quite clean. A UPS outputs power 'dirtiest' when powered from batteries. Which is no problem for any electronics due to superior protection already inside all electronics.

View spec numbers for that UPS. A typically destructive surge is hundreds of thousands of joules. How many joules will the UPS absorb? Always view spec numbers. Hundreds? It has near zero protection. Therefore they can claim (and the most naive will parrot) 100% protection. That near zero protection is hyped by subjective claims. Most everyone who recommends a UPS for anything but temporary (and dirty) power also ignores all numbers.

Protection from lightning always means connecting that current to earth outside the building. Once that current is inside, then nothing will stop a hunt for earth destructively via appliances. Either a destructive transient is harmlessly absorbed by earth. Or it is inside trying to overwhelm superior protection already inside every appliance. You must earth every utility wire where it enters the building. AC electric typically is three wires. If only meeting code, only one is earthed. Effective protection does not exist.

Do you want protection from blackouts (near zero volts)? Then you want a UPS. Do you want protection from something that occurs typically once every seven years (thousands of volts)? Then you want what is installed in every facility that can never suffer damage. That means better earthing and a 'whole house' protector.
post #4 of 4
probably not....
 
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Thuban Powah!
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