Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Faulty Item, Fried PC

This unit fried the power source of a Dell Optiplex gx280 in September 2011. I threw out the UPS, the burned power supply, and had to put $50 for a part replacement.I generally like APC, however, this specific model was faulty. (It was 60% off, I now know why.)