Amsterdam, The Netherlands - (The Hosting News) - June 24, 2008 - Dutch carrier-neutral and CO2-neutral data center hosting provider, EvoSwitch, has completed the expansion of its Amsterdam based Data Center.

The expansion is the culmination of successfully selling out the first phase of their data center and continued strong demand for rack space. The new rack space consumes even less power and offers an increased - green - power capacity with 5 up to as much as 20 kW. The 2,000 square meters of additional floor surface at EvoSwitch comes right on time.

Laurens Rosenthal, Innovation Manager at EvoSwitch noted, ''A lot of interest has been shown in our green data center in the past year. As a result, we were nearing our maximum capacity. Fortunately the expansion means that we have ample space again to serve our customers.''

The new EvoSwitch spaces are of a more efficient design, according to Mr. Rosenthal, ''In the first phase, we had to deal with a number of technological constraints due to the existing infrastructure of the building. These constraints did not exist in the second phase, allowing us to use even more efficient technologies.''

One of the reasons for the increased efficiency was the use of more advanced cooling technologies than were implemented in the first EvoSwitch building phase. In both cases Free Cooling was used. This is a cooling concept that uses outside air instead of compressors, but the technology used here has been improved.

Mr. Rosenthal added, ''We installed new Free Coolers on the roof. They have a higher capacity but with less resistance. We expect to be able to further increase our current energy-saving rate of more than 20 percent. In time, the spaces completed in the first phase will benefit as well.''

The new cooling system has an average year EER of 9. The EER or Energy Efficiency Ratio represents the ratio between the cooling energy and the energy required to generate the cooling energy. The higher the EER, the better.

EvoSwitch is a member of the Green Grid. This group has developed a method to indicate the degree to which a specific data center's operations can be considered energy-efficient and green. The method is called Power Usage Effectiveness (PUE). The PUE value can range from 1 to 3, and the closer you are the 1, the greener the data center.

Mr. Rosenthal explained, ''Worldwide, several market parties believe that a value of 1.6 is the best you can achieve. But our calculations show that we can realize an even lower PUE. This is extremely efficient and therefore environmentally friendly.''

The 19-inch racks in the new spaces have a higher (green) power capacity per rack, thereby enabling medium and high density hosting. Mr. Rosenthal added, ''A cooling capacity of 5 kW on average for a 19-inch rack is already fairly high. It means that the commonly offered power and cooling capacity in the market are doubled. Some market parties need this capacity for medium density hosting - and we are now able to deliver it. And we can also offer high density now, up to as much as 20kW per rack.''

EvoSwitch is a carrier and a climate-neutral datacenter in the Amsterdam region, providing space for organizations that are looking for a professional, reliable and safe environment for outsourcing IT infrastructure. The company limits its energy consumption and ensures full compensation for CO2 emissions.

To learn more, please visit: www.evoswitch.com.