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 Post subject: Quiet UPS?
PostPosted: Sat Dec 08, 2012 10:07 pm 
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Joined: Mon Jun 08, 2009 9:32 am
Posts: 130
Location: California
Anybody have any suggestions for a modest size, very quiet UPS for indoor/office use? Just need to protect my PC, an associated SFF VMWare server, a printer and a few peripherals. The whole desk area draws max 250W.

Just looking for suggestions from people who might have experience. Want to avoid AC buzz, coil whine, fans, etc...


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 Post subject: Re: Quiet UPS?
PostPosted: Sun Dec 09, 2012 7:05 am 
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Joined: Thu Oct 06, 2005 4:36 am
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Location: Monterey Bay, CA
There's a couple of longer "searching for a quiet UPS" threads elsewhere in the forums. I've been happy with the APC BE750:
- fanless
- master/slave power switching: turns off accessories when PC goes to sleep/turned off
- surge protection for coax and phone
- adjustable sensitivity for kicking on during line "quality" events. I live in an area where there are a fair amount of these events and have never had a problem with the UPS failing to kick in for a second to 10 sec as needed.

Stuff I don't like:
-I can't turn the warning tone off when house power fails other than by turning the UPS off. Drives my dog crazy. Maybe the G version can..
- interaction with my old Corsair PSU (Seasonic M12). Get some nice buzz on the PSU when the UPS takes over. Still works fine, though.

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 Post subject: Re: Quiet UPS?
PostPosted: Sun Dec 09, 2012 12:17 pm 
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Joined: Mon Jun 08, 2009 9:32 am
Posts: 130
Location: California
I searched for other threads before I posted but didn't see any. Have to admit I didn't look too hard... :).

Thanks for the suggestion. I'll give the APC BE750 a look.


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 Post subject: Re: Quiet UPS?
PostPosted: Sun Dec 09, 2012 5:51 pm 
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Joined: Sun Dec 09, 2012 5:46 pm
Posts: 8
Location: San Clemente, CA, USA
I got a CyberPower CP1000PFCLCD for my son's recording studio and he's been very happy with it. His machine is pretty low power (i5-2500 with no video card), so the power draw rarely exceeds 100w, but even when he's doing big mixes, the UPS's fan has never come on.

Oh, I should mention why I got this in preference to an APC. Apparently some modern high-efficiency PSUs have problems with square wave output from a UPS, so I got the "pure sine wave" CyberPower to avoid any such problems.


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 Post subject: Re: Quiet UPS?
PostPosted: Sat Dec 22, 2012 5:38 am 
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Joined: Tue May 15, 2007 1:39 am
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Location: Finland
piglover wrote:
I searched for other threads before I posted but didn't see any. Have to admit I didn't look too hard... :).

Thanks for the suggestion. I'll give the APC BE750 a look.

A couple items up on the same page of the subforum as this thread, with a nearly identical title: http://www.silentpcreview.com/forums/viewtopic.php?f=6&t=55638. Just saying.

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