
IBM System x – UPS3000 Training
© 2003 IBM Corporation
9
October 2007
© 2007 IBM Corporation
Things to consider when choosing power backup
1. How critical is the load?
Different UPS technologies offer different protection
2. Power requirement in both Watt and VA?
As many of today’s servers use power factor corrected supplies, it is
important to look at both Watt and VA power needs to avoid over sizing.
3. How much backup time is needed?
4. What are your future power requirement?
5. Will you need hardwired installation?
6. What are your space requirements?
7. Determine heat dissipation
8. Do you want to monitor or control your system remotely?