What Uninterruptible power supply should I buy?

My pc:
VGA: GTX 670 (OC version)
CPU: Intel i5-3570k
PSU: Corsair 650w
2 ddr3 ram sticks
1 sata hd
1 DVD drive
3 led fans
Monitor: Asus 21.5 inch widescreen

I'm thinking about this: click here
I don't think my system uses more than 660 watt with the monitor, so it should be enought. But I'm not sure, so that's why I'm asking here.
2 answers Last reply Best Answer
More about uninterruptible power supply buy
  1. your monitor has its own power supply you will be plugged into a mains socket not your tower.
  2. Best answer
    He's gonna plug his monitor and his power supply in the Back-UPS. But just know that this would give you just enough time to save your stuff and do some stuff for a short amount of time before the battery runs out. At full load you would use ~400w on the PSU. With the monitor I guess you would be looking at 430-450w consumption, so you would get around 6-8 minutes according to the chart.
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