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Cyberpower CP825LCD UPS - 825VA/450W LCD Display 8-Outlet RJ11/ Compact Design EMI/RFI
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Cyberpower CP825LCD UPS - 825VA/450W LCD Display 8-Outlet RJ11/ Compact Design EMI/RFI
Power Ups for TOP PRODUCT FOR BUY & SALE OF THE YEAR : BLACK FRIDAY 2011
Model Of Item : CP825LCD
Product Brand : CyberPower
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Cyberpower CP825LCD UPS - 825VA/450W LCD Display 8-Outlet RJ11/ Compact Design EMI/RFI
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Excellent unit : Cyberpower CP825LCD UPS - 825VA/450W LCD Display 8-Outlet RJ11/ Compact Design EMI/RFI
I purchased this for my new mid-2011 27" 3.4Ghz i7 Quad Core iMac (whew, that's a mouthful). Needless, to say I was quite worried about the fact that most new Intel i7 quad core machines (PCs and Macs) have Active PFC (Power Factor Correction) power supplies that require a UPS that puts out a pure sine-wave AC current. This Cyberpower UPS puts out a Stepped approximation to a sinewave (square sine "wave") and I wasn't sure if this would work my computer. After some digging around, I came to understand that *some* PFC power supplies are just fine with approximated sinewave whereas others require a pure sinewave. Sadly, there is no way to tell this as I've never seen this distinction mentioned in any computer manual.
As it turns out the 27" Mid-2011 Mac can indeed support this type of UPS. Not only are these UPS' more economical, they are also significantly smaller and have no loud fan -- all considerable factors for a thin iMac where the computer part is practically invisible, and virtually silent, behind the LCD.
I pulled this unit out of the box, threw away the manual and included USB cables without looking, and plugged in the iMac and one FireWire external drive into it and then plugged the UPS into the wall. There was no battery to connect (as was/is common with APC power supplies). I pressed the round button on the UPS to cycle through some data on the LCD (see below) and that was all there was to the installation.
I did compare this to the comparable APC BACK-UPS ES BE750G 10-Outlet 750VA 120V UPS System, and despite being a longtime APC user, I voted with my pocket book for this cheaper model. The good news is that not only does the Cyberpower unit have a visible LCD display that displays tons of information (input and output voltage, battery charge capacity as a percentage, remaining time on battery in minutes, etc.), but it's also cheaper and works just fine. When I pull the plug from the wall, the readout states about 32 minutes of battery standby time. I haven't tested this to see if this is accurate, but as I never have anything more than a daily brownout (no blackouts that I can ever remember), this works like a charm. By default, the on-battery warning signal is suppressed and all I hear is a faint whirring noise when on-battery power.
Overall, highly recommended for iMac users in general, and here's to hoping that your newer i7 PC works on it as well.
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