UPS and surge suppressor power devices can be found here in price and quality comparison for the selected criteria Power supply, Power supply cage, Power supply - hot-plug, Power supply - hot-plug / redundant, Power supply - redundant.
Advantages: up to 850W, plenty of peace of mind, lots of connectors if you need it Disadvantages: all the connectors means a lot of wire.
The power supply is the true backbone to the computer, without it we wouldn't have any power to use the computer. When choosing a power supply you need to pick one with enough watt power to operate your computer, too little and it will be running far too ...
