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Observation
Financial Saving
Comparative study
HP Procurve 3500yl
Power per switch
Power in a 3-switch rack
Heat dissipated in BTU
(1 W = 3.41 BTU)
Power consumed in cooling
1 BTU
Power consumed for cooling
Total power consumed by
switch
Cost per Kwh
Cost per day
Cost per year
$245.62 is saved per 3-switch rack by a Cisco switch when compared to a HP switch
C97-404-735-00
© 2008 Cisco Systems, Inc. All rights reserved.
212 W
Power per switch
636 W
Power in a 3-switch rack
Heat dissipated in BTU
2168.76 BTU
(1 W = 3.41 BTU)
Power consumed in cooling
0.105 W
1 BTU
227.71 W
Power consumed for cooling
Total power consumed by
863.71 W
switch
10 cents
Cost per Kwh
$2.07
Cost per day
$ 755.98
Cost per year
Over a 5-year period: $1228.10
1000 racks: $1,228,100.00
Cisco Public
Cisco
®
3750-E
143 W
429 W
1462.89 BTU
0.105 W
153.60 W
582.60 W
10 cents
$1.39
$ 510.36
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