12 kW per rack by 2014, according to data collected by the Data Center Users Group, sponsored by VertivTM. The need now exists for taller, wider and deeper racks to accommodate the changes in IT equipment and densities. As data center managers strive to make use of valuable space, racks are more fully filled than ever.
Taller racks, beyond the common 47U (2200 mm) are also becoming more popular as data centers with room to expand vertically take advantage of headroom. The depth of rack-mounted equipment is also increasing. For example, the greatest server depth requirements in the past resulted in a rack depth of 1200 mm.
At one time, data center rack enclosures and related equipment were considered commodity products –simply a platform to stack equipment, with more enclosures purchased as servers and rackmount equipment were added to the IT inventory.
Hot aisle/cold aisle configuration. The key to data center rack planning is to think about flexibility and adaptability. Needs will continue to evolve, and racking solutions must be able to evolve with them. The data center must be able to adapt to each individual rack environment and rack zone. Similarly, the rack must adapt to the room.
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