Power and cooling: Cisco vs. Enterasys

Cisco vs. Enterasys
In data center design, power and cooling constraints are one of the top issues. Below are two charts that compare the power consumption and cooling requirements for some popular Cisco switches compared to some popular Enterasys switches:
Enterasys Max Power Draw Cisco Max Power Draw Percentage More
N-Series 1500W 6509e 3000W 100% more than Enterasys
N-Series w/PoE 5100W 6509e 8700W 70% more than Enterasys
N-Series 1500W 4506e 4200W 180% more than Enterasys
G-Series 1050W 3560e 1150W 9% more than Enterasys, but only half the ports
C-Series 583W 3560e 1150W 97% more than Enterasys

Enterasys Max Thermal Load Cisco Max Thermal Load Percentage More
N-Series 5463 BTU/Hr 6509e 16800 BTU/Hr 207% more than Enterasys
N-Series w/PoE 17755 BTU/Hr 6509e 34800 BTU/Hr 99% more than Enterasys
N-System 5463 BTU/Hr 4506e 14340 BTU/Hr 162% more than Enterasys
G-Series 3585 BTU/Hr 3560e 3927 BTU/Hr 9% more than Enterasys, but only half the ports
C-Series 1991 BTU/Hr 3560e 3927 BTU/Hr 97% more than Enterasys

As you can see above, Enterasys requires half the power and half the cooling of equivalent Cisco devices.

What do YOU think of vendor power consumption and cooling requirement comparisons?

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