We needed to replace a very old failing unit but as a non-profit we could not afford a top-of-the-line solution. This unit was cost-effective and is performing superbly. Best of all, the upgrade/exchange program offered by APC is excellent. That, as well as the quality of the products, keeps us coming back.
After wading through the plethora of UPS options for a desktop, I decided to go with this unit to replace an almost identical 1000VA that died. That unit worked great, but had many problems interfacing with Mountain Lion on a Mac. I was assured this unit works fine. It does not. It does not show up in the System Preferences. I've done the Mountain Lion update (twice), repaired permissions, and all other system utilities. Nothing wrong with my hard drive or my system, yet the unit does not show up. So the shutdown features are no longer available, and no Knowledge Base articles (or tech support) for fixing this issue. The unit is probably 5 stars, as was the previous. The 3 stars is for the total lack of Macintosh support by APC.
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