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Data centres cannot really be green, but companies can get more out of them while using less energy, it has been claimed.
According to the head of Rackable System's new European business Rod Evans, getting more performance per watt is the company's aim and to achieve this it builds every server from scratch.
It is also developing its own power distribution units that can supply entire server racks or server cabinets with 12V DC.
"We focus on kW per rack practical density, because if you use co-location, you pay by the rack space you use," he said.
"Power is a big issue, especially in London - financial houses in Canary Wharf have all been told they can't have more, for instance," Mr Evans added.
He concluded that power infrastructure is more of an issue in the UK than in the US.
According to James Bain of Elcon Associates, RJ45connectors need to be redesigned if they are to carry more power over Ethernet.
Last Updated: 06/04/2009 18:00
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