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A computer power supply is built with a power supply unit (PSU) which is the component that supplies power to a computer. More specifically, a computer power supply is typically designed to convert 100-120 V (North America and Japan) or 220-240 V (Europe, South America, Africa, Asia and Australia) AC power from the mains to usable low-voltage DC power for the internal components of the computer, usually 12 volts and 5 volts dc pins. Some power supplies have a switch to change between 230 V and 115 V and some high efficiency computer power supply models have automatic sensors that switch input voltage automatically, or are able to accept any voltage between those limits. continue reading…

1. Data center site selection and design
Data center design is one of the most complex and important undertakings for any company. It first involves finding the right property to build on; then managing architects, builders and IT staff. Data center pros are expected to have expertise in computing, networking, electrical and mechanical engineering, thermodynamics and disaster mitigation — the list could go on. continue reading…