Table 3 Differences in data centre design and operations of the three alternative cooling technologies (cold-plate, one-phase immersion and two-phase immersion) compared with the ACD
From: Using life cycle assessment to drive innovation for sustainable cool clouds
Cold-platea | One-phase immersiona | Two-phase immersiona | |
|---|---|---|---|
MW IT capacity | 3% higher | 6% higher | 6% higher |
Overclocking factor | 20% higher | 10% higher | 20% higher |
Power usage effectiveness | 3% lower | 6% lower | 6% lower |
Compute IT (%) | Identical | Identical | Identical |
Compute servers number | 6% higher | 13% higher | 13% higher |
Storage IT (%) | Identical | Identical | Identical |
JBODs number | 10% higher | 13% higher | 13% higher |
Head nodes number | 10% higher | 13% higher | 13% higher |
Networking IT (%) | Identical | Identical | Identical |
Networking servers number | 10% higher | 13% higher | 13% higher |
Vcores (with overclocking, part of the functional unit) | 28% higher | 25% higher | 36% higher |
Compute server power | 3% lower | 6% lower | 6% lower |
