Eia 19 Inch Rack Standard

The eia 310 specification has been the 19 inch racks standard for equipment for 50 years.

Eia 19 inch rack standard.

A standard 19 inch server rack cabinet is typically 42u in height 600 millimetres 24 in wide and 36 inches 914 40 mm deep. The eia 310 document is available for purchase at the ihs website. 19 eia rack aluminum dimensions. Rack width sliding keyboard monitor with equipment mounted in a rack.

The document outlines specific guidelines for several important terms often used in the server rack industry. In addition to the 19 system we also offer the less popular etsi european telecoms standards institute or western electric. 84 0h x 20 3w x 3 0d 2134mm x 514mm x 76mm. It is most frequently used as a measurement of the overall height of 19 inch and 23 inch rack frames as well as the height of equipment that mounts in these frames whereby the height of the frame or equipment is expressed as multiples of rack units for example a typical full size rack cage is 42u.

A rack unit abbreviated u or ru is a unit of measure defined as 1 3 4 inches 44 45 mm. This specification standardizes several important features of 19 inch racks such as the rack unit ru or u vertical hole spacing horizontal hole spacing rack opening and. Etsi 23 584 2mm standard rack. Even though the 19 inch eia standard isn t a requirement major brands like intel dell hp and ibm adhere to the standards on their servers.

19 inch server racks can vary in qualities. Eia 310 is a specification for what is often called the standard rack. All system design considerations in this document are based upon a 19 inch rack configuration only as defined in the electronic industries association eia 310 d standard. The eia standard server rack is a 19 inch wide rack enclosure with rack mount rails which are 17 3 47 450 85 mm apart and whose height is measured in 1 75 44 45 mm unit increments.

It is beneficial for companies to get on board with this standard so that they don t lose customers over compatibility issues. The predominate dimensional unit of length for this guide is noted in millimeters followed by inches. Newer server rack cabinets come with adjustable mounting rails allowing the user to place the rails at a shorter depth if needed. Eia 310 is a specification for what is often called the standard rack.

Eia 310 d is the original document issued by the electronic industries association renamed the electronic alliance in 1997 written to standardize varying features of 19 rack cabinets. The formal standards for a 19 inch 480 mm rack are available from the following. This specification standardizes several important features of 19 racks such as the rack unit ru or u vertical hole spacing horizontal hole spacing rack opening and front panel width. Latest standard now rev e 1996.