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Green IT Energy & Cost Savings Calculator

Green IT Piggybank

A large component of Green IT is server virtualization. A virtualized server environment is one in which several virtual servers (workloads) run on each physical server and all storage is shared.

The Green IT Energy & Cost Savings Calculator estimates the number of servers you can potentially reduce, 3-year energy costs with your current number of servers and the 3-year savings you could realize by reducing the number of servers. This information is budgetary and provided as an estimate only.

Enter the number of servers in the red box below.

Server Information AnalyzedNumberComments / Notes
Total Number of Servers to Analyze<--Input # of servers here
Number of Server Candidates for Virtualization75% of Total
Average Virtualization Consolidation RatioConservative ROM
Production Virtualization Node Servers NeededFor Virtualized Servers
Existing Servers to Remain (un-virtualized)Un-Virtualized Servers
Disaster Recovery Servers (optional)20% of Virt Server Nodes
Total Servers Recommended in Target EnvironmentVirt & Un-Virt Servers
TOTAL SERVERS REDUCED 
Current 3 Yr Spend Before VirtualizationCurrent ServersCurrent CostCurrent Energy Usage (kwh)
Technology refresh $8,000 server cost
Server electricity costs*
Server cooling costs*
Server provision, maint, re-image costs*
TOTAL ESTIMATED COSTS 
Targeted 3 Yr Savings after VirtualizationServers ReducedCost SavingsEnergy Savings (kwh)
Technology refresh $8,000 server cost
Server electricity costs*
Server cooling costs*
Server provision, maint, re-image costs*
TOTAL ESTIMATED COSTS 
*Cost Factors PER server:
Electricity$2,102.40(For 2 cpu server: $.11 per kw/h x .7 = .08 per hour per server)
Cooling$693.79(Electicity formula x .33 k-factor for cooling)
Provision / Maint.$3,600.00(30 hours per server per year w\ labor cost = $40/hour)

Question about your Results? Would you like more information?

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