Blue Cells Are Input Cells    
 
Energy Cost, per kWh, US $  
     
Hardware Configuration    
Server Type  
CPUs per Motherboard  
Rack Size in U  
CPUs per Rack  
Watts per CPU  
Peak Watts/Rack/Air  
     
Center Efficiency    
Cooling Method  
Assumed "PUE"  
Annual Energy Savings  
     
Potential Equipment Reuse*  
     
Retrofit Payback, in Years    
Only Energy Savings  
Energy + Equipment Reuse*  
 
*Less power frees up generators, UPS, space  
**System installed with all server modifications
 
Copyright 2011 GR Cooling, Inc.  

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