# How big should my UPS Server be?

Contents

## How do I calculate UPS required capacity?

How to size a UPS

1. List all equipment to be protected by the UPS. …
2. List the amps and volts for each device. …
3. Multiply the VA by the number of pieces of equipment to get the VA subtotals.
4. Add the VA subtotals together.
5. Multiply the total by 1.2 to get the grand total. …
6. Use the grand total to select a UPS.

## How do I choose a UPS server?

To find the UPS capacity, you will need to calculate the load. The Load is the combined amount of power each of the devices use. To identify the load, make an equipment list, including the total watts each piece of equipment requires to run properly. Include all of the devices the UPS will need to support.

## How long can a UPS run a server?

By APC’s own figures, this UPS can run 300 Watts worth of equipment for around four minutes. Even if you can get the load down closers to 150 Watts – perhaps enough to run one PC, a monitor and a some networking gear – you’ll still be lucky to get more than 10 minutes before the UPS runs flat. That’s not a lot of time.

## How long will a 1500VA UPS run?

For a common measurement, a 1500VA-rated UPS will run a computer for less than an hour. If you get more than 10 minutes of run time, you can run a PC, networking gear, and monitor.

## What is UPS load capacity?

Measured in “watts”, UPS capacity is an important factor to consider when choosing a UPS (uninterruptible power supply). It determines how many electronic devices the UPS system can support. This post will tell you how to choose the right UPS with required UPS capacity in the following four steps.

## Do I need a UPS for server?

A server does not necessarily need to “support” a UPS, it’s just a battery that’s inline with the power source. Any “support” is going to be automatic shutdown or taking a preferred action in case of power loss.

## How much VA UPS do I need for 550w PSU?

PSU wattage x 1.6 = UPS va (volt-amps) (roughly) 550 watts x 1.6 = 825 va 1100 va is recommended considering future upgrades and all. And yes APC is the best undoubtedly.

## How much VA UPS do I need for 650W PSU?

Illustrious. Theoretically, 650W PSU will draw max around 1000VA using 0.6 power factor. Practically, your PSU rarely or never does that and draw only around 400W or 660VA (again using 0.6 power factor). Yes, 600-750VA UPS should do.

## How long will a UPS run a router?

The same UPS capable of keeping your desktop computer and monitor on for 15 minutes will likely power your cable modem, router, and Wi-Fi access points (if separate) for 90 minutes or more.

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## What size battery backup do I need for a server?

When sizing a UPS for your specific requirements, the power factor matters most. Generally, your UPS should have an Output Watt Capacity 20-25% higher than the total power drawn by any attached equipment.

## How long will a 10kVA UPS last?

A 1000VA UPS might be able to power a small office computer for around seven minutes. Make the upgrade to a 10kVA UPS, and you might see this figure jump up to around twenty-sevenminutes. Go too small, on the other hand, and the available time shrinks to just a few minutes or less.