Datacenter Efficiency Metrics: Power Density Parameter
Small Enterprise Managed Power Ratio to Small Server Room Power Density
Data center efficiency metrics and benchmarks from Green Grid and Schneider Electric whitepapers. Covers PUE measurement levels (L1/L2/L3), source energy weighting factors (global and US), PUE reporting classifications (Unrecognized/Reported/Registered), NCPI component loss percentages (UPS, PDU, CRAC, chiller, wiring), energy reduction strategy savings ranges, power density parameters by data center type (small enterprise, large enterprise, colocation, cloud, HPC), heat output conversion factors and formulas, and DLC (direct liquid cooling) industry documentation references.
| metric category | item name | description | unit | value numeric (varies by item) |
|---|---|---|---|---|
| Power Density Parameter | Small Enterprise Managed Power Ratio | Managed power ratio for small enterprise | percent | 90 |
| Power Density Parameter | Small Enterprise Peak Power Per Cabinet | Peak power per cabinet (highest-power cabinet) for small enterprise | kW | 8 |
| Power Density Parameter | Small Enterprise Power Uncertainty | Unit power uncertainty for small enterprise | percent | 50 |
| Power Density Parameter | Small Server Room Power Density | Power density for small server room example (12 cabinets at 4 kW avg) | W/sqft | 115 |
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