GTSI Green Calculator

Joshua Bradfield

Data Center Solutions Manager

GTSI 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 1

Physical 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:

9.2But 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