UPS
UPS for a small server rack: what you need and what it costs
The load is about 1140 W. With 25% headroom at a 0.9 power factor you need 1.6 kVA, so a 2 kVA online UPS. Backup time depends on the batteries, which sellers size for the minutes you need.
What you need
- Servers
- 2
- Switches, firewalls, NAS
- 4
- Desktops
- 0
- Load
- 1140 W
- UPS size
- 2 kVA online
Models that fit
Questions
Online or line-interactive?
Online (double-conversion) UPS units give clean power all the time and are the standard for servers. Line-interactive units suit desktops.
How long will the batteries last?
Usually 3 to 5 years. Ask for the battery brand and warranty in the quote.