Choose an efficient power supply with the smallest wattage possible that will support your system.
- 80% minimum efficiency at 20%, 50% and 100% of rated output and Power Factor > 09
- Energy Star certified power brick for external power supplies
Select an energy efficient low idle power processors
While many motherboards come with some power saving features, newer models often have a variety of options to optimise efficiency and power usage. These vary between manufacturers, but can include phase switching and increased power efficiency.
Typically a 1TB hard drive has a power consumption rating greater than 13.5 watts. Some hard drive manufacturers are building drives with power savings of 4-5 watts, which can equate to reducing C02 emission by upto 60kg per drive per year.