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UPS search, please help!

O

Oruf

Weaksauce
Joined
May 29, 2008
Messages
93
I have been trying to read through the entirety of this forum to learn to the best of my ability so I am sorry if this post irritates anyone.

I am at a complete loss as to what type/size of UPS I need for my new setup, as this is the first home built PC I have ever attempted to put together. Where I live there are frequent brown outs and at least 1 power outage per month. If anyone could be of assistance, it would be greatly appreciated. Im looking for something that can provide a constant steady supply of power as well as ~10 minutes of run time, so the computer can be properly shut down. Thank you in advance.

Brand wise was looking into APC they seem to be the best quality UPS?

Current hardware:
CPU: Intel Core 2 Duo E8400
MOBO: GIGABYTE GA-X48T-DQ6
GPU: EVGA GeForce 9800 GTX
PSU: ZALMAN ZM750-HP (750W)
HDD: Seagate Barracuda 7200.11
RAM: OCZ Reaper HPC 4GB
LCD: BenQ G2400W 24"
Two 120mm case fans and a ZALMAN CPU Fan/Heatsink combo.
Inkjet printer and speakers I would like to be able to surge protect.
 
Go to APC's web site and use their UPS selection tool. That will recommend the size/model of unit.

Most have several power sockets that are backed up and surge protected, along with several that are only surge protected.

APC is the recommended brand. Good products.
 
Oruf, I'd recommend at least 900-1000VA for ~10 min. of runtime for your tower & monitor. APC's calc doesn't account for the video card, nor do their runtime specs for each UPS take into account the full load of your hardware. There is no way you are going to get 29 min. from an 800 or 900VA UPS with your configuration.

Obviously everyone has an opinion on what the best is. My suggestion would be to look for a UPS w/ AVR, 3yr. warranty, and inexpensive replacement batteries. There is also a current Post your UPS thread that you can sift thru for other opinions.

FWIW I use a Belkin F6C1500-TW-RK on my main rig/lcd, and run my WISP ethernet cable thru it was well. Unfortunately the $25 rebate ended yesterday.

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EDIT: Should I be paying attention to the Watts listed for a UPS or just the VA rating? I am confused, I was under the impression they represented the same thing. For instance my PSU uses 750W (Although my system may not use as much) so would I need to find a UPS that is listed as like 900-1000 VA and at least 750W?
 
Watts=VA only for DC. Since it's AC, you should look at watts and compare what your system draws, not what your PSU's max rating is. Since a reasonable design is to put in a PSU that runs with some upper headroom, the max real draw will always be less than the PSU rating.

OTOH, If money is no object, just buy a big UPS :).
 
if you want 29 minutes, you should look 2x or 3x more powerful
like 2200VA, 3000VA or 5000VA
 
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