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GTSI Green Calculator
Joshua BradfieldData Center Solutions ManagerGTSI Corp.
2
Infrastructure Prior to Virtualization
Year 1
Total Number of Servers
Power Used by Servers (Watts)
Server Electric Cost Per Year
Server Cooling Cost Per Year
Total Power & Cooling Cost Per Year
Year 5
150
49,700
$47,924
$59,905
$107,828
$83,819
$104,774
$188,593
57,155
263
Infrastructure After Virtualization
3
Year 1Physical Systems Needed Quad Core – 8 way systems
Power Used by Servers (Peak Watts)
Power Used by Servers (Off-Peak)
Server Electric Cost Per Year
Server Cooling Cost Per Year
Total Power & Cooling Cost Per Year
Year 5
6
3,000
2,010
$4,831
$6,039
$10,870
10
5,000
3,350
$8,052
$10,064
$18,116
SpaceCostWattsServers
So What Are The Totals?
4
150 49,700 $107,828 10
6 5,010 $10,870 1
90%
Return On Investment (ROI)
5
Breakeven = 4.8 years
ROI 5 Years:9.2
But what if we shot for 80% utilization instead of 60%?
What about at 80% utilization?
6Try it yourself at www.gtsi.com/greencalculator
Breakeven = 3.6 years
ROI 5 Years:29.4