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Here are some other notable features of the new Cisco data center:
The building was designed to withstand tornado winds up to 175 mph.
The UPS room (uninterruptable power supply) room in the 5 megawatt data center uses rotary flywheels, which require little energy to continue in motion and start the diesel generators in case of power loss.
The data center is cooled by an air-side economizer design, which reduces the need for mechanical chilling by using ambient fresh air when the outside temperature is low enough. Cisco calculates the facility can use filtered, outside un-chilled air 65 percent of the time, saving the company an expected $600,000 per year in cooling costs, while contributing to its corporate green goals.
Cisco also opted to forego a raised floor environment and use overhead cooling and cable management. The overhead cooling ducts drop air into each cold aisle, where it enters the servers and then is vented through a passive chimney system in the rear of each enclosure and into an overhead return plenum. That’s a change from the design in Richardson, which uses a 36-inch raised floor.
A lagoon captures rainwater to irrigate the indigenous, drought-resistant landscape plants.
Solar cells on the roof generate 100 kilowatts of power for the office spaces in the building.
Cisco has submitted the data center for Gold certification by Leadership in Energy and Environmental Design (LEED). Developed by the U.S. Green Board Council, LEED provides builders with a framework for measurable green building design, construction, operations, and maintenance solutions.
Cisco has designed the Allen data center to achieve a Power Usage Effectiveness (PUE) metric of 1.35.
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