390watt

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    390watt UPS(APC) but 620watt power supply

    My brother has a 390watt UPS(APC) 650VA but a HX620W 620 watt power supply.Will it cause any problems. Waiting for suggestions Still waiting.I think people generally neglect such facts about mismatch of PSU wattage delivered at usage by pc and that by the UPS.
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