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Lawrence Berkeley National Laboratory

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AC-DC Conversions within Data Centers Result in Energy Losses

Benchmarking Results Show High Variability in Data Center Power Densities

Data Centers are Extremely Energy Intensive

Data Center Energy End Uses

Data Center Energy End Uses

Data Center Energy Savings Potential

Distribution of Computer Room Power Use Reported to the Uptime Institute

Electricity End Uses

Electricity Flow in Data Centers

Electricity Use in a Server (watts)

Facility 8 - HVAC effectiveness

Hot Aisle / Cold Aisle Design

HVAC Effectiveness (lower is better)

Payback Times for 36 Real-world Retrofit Projects

Power Supply Efficiencies

Power Supply Unit Efficiency

UPS Efficiency

 

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