Friday data center tidbits.

First up today is yet another story about data center AC vs DC power efficiency, with the usual sprinkling of BS. Required cable size is based on voltage vs current, not whether the power is AC or DC. Higher voltage means lower current means smaller conductors. AC or DC power isn’t a factor. The idea that larger cables used in lower voltage DC power are more susceptible to arcing because of their size is ridiculous. Any well designed data center DC power plant will be just as safe as any AC power system.

Second up is the story about Horizon Data Center Solution’s new expansion. The tidbit here is not that they’re expanding, but that they’re measuring the facility in megawatts worth of space, not square feet worth of space. Physical space in the data center is becoming a very secondary measurement, it’s all about the power now.

Email or call me or visit the SwiftWater Telecom web site for green data center DC power engineering, construction, and operation that saves money without the hype.


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