Power Requirements for Computer Systems

Written By:
Dave Kelsey
Last Edited:

How to Determine Power Requirements

To determine approximate maximum FRED system's power consumption requirements use the formula:

Watts / Volts = Amps

Example: 1100 watts / 120 volts = 9.17 amps

Most UPS manufacturers provide interactive calculators you can use to estimate the volts-amperes and watts required to power your systems. Use these links for more information:

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