Running 500W PC on 500VA/250W UPS for 1-2 minutes backup, is it good?

elcoxx

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Jul 19, 2014
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Hello,

The thing is, I have a forza nt-501 500VA UPS, and it works, but just a few days ago the UPS suddenly stopped sending energy and obviously my PC was turned off (the UPS started beeping really fast like 0.5/1 second per beep and then stopped with a single and continuous beep until I turned off, and yes, it was fully charged).

There was not blackouts in my house nor anything related to lack of energy, so... I don't know what happened. I just want to use the backup time for a chance of turning off the PC, (maybe 40 sec-1-2 minute?), that's it. But, can someone tell me if my PC was the problem when this happened to the UPS? Am I overloading the UPS? Is any chance to "burn" any component?

I know my PSU has a max of 750W, but according to me, the PC is not using more than 500W at this moment.

Here are my PC specs:

ASUS SABERTOOTH 990FX R2.0
AMD FX-8350
Corsair Vengeance 8GB (1x8GB)
Corsair Cooler H100i
WD Blue 1 TB WD10EZEX
Sapphire Radeon R9 270 2GB Dual-X
Corsair PSU AX 760W
AOC 19'' Monitor

Thank you and sorry about my english.
 
Solution
Its not a UPS at that point, its just a power strip, without the battery it does nothing to stabilize the line, and unless its an inline UPS it isn't stabilizing the line at all. Regardless of the power conditions in your country, it is a better choice to have it plugged into the wall than into that UPS.
That UPS can do 500 VA but only 250W of load, it won't be able to support your system for any measurable time. If it is well built it should detect the overload and immediately trip off whenever it cuts over to battery power, if it isn't it may have been overworking and damaging itself overtime.

Using your computer on that UPS is dangerous for the UPS and will not serve the purpose you are hoping for.
 


Thank you, and for the PC components is it dangerous?
 
Depends on how much crap the UPS puts out when it gets overloaded and how good your PSU is at filtering all of that out. The PSU should be shielding the rest of the components but its primary side may be getting hurt so it could be aging rapidly whenever the UPS throws a fit.
 


Understood. What about the problem of the UPS I said it had? And... What do you suggest me? Do I have to remove the UPS and connect the PC directly to the wall while I buy a new UPS of 1000/1500VA? Because the UPS and a poor and cheap terminal strip (which I'm not using) is all what i have to protect my computer.
 
Folks, is there any possibility that the components have been hurts when the UPS suddenly was turned off? I have to say that I'm using the PC right now and everything works, at least superficially.
 
So... What do you guys suggest me? Do I have to remove the UPS since it is not enough and connect the PC directly to the wall or a poor and cheap terminal strip, because is all what I have for protecting my computer at the moment.
 


Okay mate but take into account that in my area (Venezuela) there are many blackouts and ups and down constantly.

Moreover, is there any way to know or test if any component has already been hurt?
 
Its not a UPS at that point, its just a power strip, without the battery it does nothing to stabilize the line, and unless its an inline UPS it isn't stabilizing the line at all. Regardless of the power conditions in your country, it is a better choice to have it plugged into the wall than into that UPS.
 
Solution