Open Rack definition

Contributor(s): Erin Watkins

Open Rack is an open standard for server rack design in hyperscale data center environments. 

Open Rack differs from the traditional 19-inch rack width by featuring a 21-inch wide slot. Open Rack outlines specifications for single and triple rack designs.

According to the Open Rack charter, the following design elements are covered by Open Rack's specifications:

  • Physical design
  • Power distribution
  • Battery backup
  • Cable organization
  • Thermal design and server density
  • Service efficiency
  • Flexibility
  • Scalability

The OpenCompute.org website includes additional specifications includes additional information about optical interconnects, instructions for power distribution unit (PDU) assembly and tips for installing 21-inch server racks in colocated facilities.

See also:  Open Compute Project

This was first published in June 2013

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