Buying A UPS
Hey so I know this is a boring topic but it is very important I finally got my parts, Not wanting to potentially fry my computer i am buying a ups (I have a surge protector right now) my estimated watt usage is around 320-450, any advice on what I should get, I plan on using it only to allow me to safely shut down my computer
I am running a 1300VA 780 watt APC UPS.
When picking a UPS, first carefully evaluate what you want it to do before you pick one. For example, do you only want to have 5 to 10 minutes of power during which you can quickly exit everything and shut it down, or do you need a continuous workflow during power outages that might last for an hour or more? Most people need something in-between those two extremes, but that's a decision that you need to make for yourself.
Next, be sure to evaluate EVERYTHING you will plug in to your UPS, and plan for expansion. Think carefully about this one, as you don't want to forget to factor in the power of your 80 watt multi-monitor setup or something. For a dedicated PC UPS, this shouldn't be too complicated, and it seems that you already handled this step.
After you have a ballpark idea of what to look for, start isolating particular features that you need. Because you are worried about frying your computer, you might want to narrow your search to UPS units that have AVR or Automatic Voltage Regulation technology. This means that if the input voltage is too low, or too high, or if the signal is just really dirty, the UPS will switch to backup power, even though it's still receiving current from the wall. Other things to look for are features like software packages that allow your UPS to communicate with your PC. If, for example, you leave your computer on all night, it might be worth it to make sure you have something like APC's "PowerChute" software that can safely shut down your computer for you if you aren't there when the power goes out.
Finally, I would recommend making sure to go with a quality brand over anything. A bad UPS can cause more harm than good, so make sure it's coming from a quality company. APC is typically considered the gold standard, but they are the only company I have dealt with, so I am not the best resource on this front. I have heard good things about other companies, but I don't want to give any recommendations, because, as I said, I don't have any experience with anyone but APC.
Good luck! A quality UPS can last for years, so don't skimp out to save a few bucks now. Over-spec a little bit, and you'll be better off down the road. Plus, if you only put a few hundred watts on a UPS that is designed for much more, that just means that you can run even longer on the battery!
I would look at something like the "Back-UPS Pro 1000" ($130 on Amazon) from APC, but it all depends on what you need.
http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BR1000G
http://www.amazon.com/APC-BR1000G-Back-UPS-Uninterruptible-Supply/dp/B0038ZTZ3W
Again, good luck!
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