Since I posted my blog this morning on Earth Day, EPA and PUE. I received some pictures of the Green data center that Hitach is building in Yokohama. You can check them out on flickr. This should be on line by April 2009 and is targeted for a Power Usage Efficiency of 1.6 which will be one of the lowest for a Tier IV data center.

SUN has already built a Green data center in Santa Clara, which I was able to visit with our SUN partners yesterday. They converted a slab floor office space into a Tier I data center in about a year’s time. This data center has a PUE of 1.28, which I would think is the lowest even for a Tier I! They have done some innovative things which they hilight in  a video on their website. Their different approaches to cooling racks was very interesting. They give breifings and tours, which you can schedule through your SUN representatives when you are in Santa Clara. For information about the SUN PUE rating, you can link to Dean Nelson’s blog. Dean is the Director of Global Lab and Data Center Design Services. 

Next year, about this time,  we will be able to show you Hitachi’s Green Data Center when you are in the Tokyo area. 

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