We have proceeded on a similar path Ken. We use Emerson racks and find they work very well for us. Some of our older servers fit more comfortably into these racks although I'm certain they would fit into other racks as well. We planned from the outset to limit each rack to less than 1,500 lbs. as we currently have lots of space for growth. The only thing we feel would limit the use of racks of the type we use would be some of the new rack cooling systems. Currently we use underfloor cooling and standard air-conditioning to keep our center cool.
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