Datacenter Efficiency Metrics: Power Density Parameter
Large DC Power Density Room to Small Enterprise Cabinets Per Pod
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 | Large DC Power Density Room | Power density at room level for large 2 MW data center example | W/sqft | 112 |
| Power Density Parameter | Large Enterprise Ancillary Space | Space reserved for ancillary systems in large enterprise | percent of room | 5 |
| Power Density Parameter | Large Enterprise Avg Power Per Cabinet | Design target average power per cabinet for large enterprise | kW | 6 |
| Power Density Parameter | Large Enterprise Managed Power Ratio | Managed power ratio for large enterprise | percent | 80 |
| Power Density Parameter | Large Enterprise Peak Power Per Cabinet | Peak power per cabinet (highest-power cabinet) for large enterprise | kW | 12 |
| Power Density Parameter | Large Enterprise Power Uncertainty | Unit power uncertainty for large enterprise | percent | 30 |
| Power Density Parameter | Small Enterprise Ancillary Space | Space reserved for ancillary systems in small enterprise | percent of room | 5 |
| Power Density Parameter | Small Enterprise Avg Power Per Cabinet | Design target average power per cabinet for small enterprise | kW | 4 |
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