Server Rack Unit

A rack unit abbreviated as u less commonly seen as ru is a unit of measurement applied to equipment racks and the servers disk drives and other devices that they contain.

Server rack unit. 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. The hole spacing for standard 19 racks on the mounting flange is spaced in groups of three holes. Rack mount fan 4 fans server cooling system 1u 19 rackmount cabinet panel w adjustable airflow control heat monitor digital display temperature sensor alarm air flow exhaust tupavco tp1701 4 1 out of 5 stars 28. With the exception of some legacy equipment monitors and keyboards most server and network equipment sold today is intended to be rack mounted.

One u is 1 75 inches 44 45mm. A rack unit abbreviated as u less commonly seen as ru is a unit of measurement applied to equipment racks and the servers disk drives and other devices that they contain. Computer servers designed for rack mounting can include a number of extra features to make the server easy to use in the rack. This three hole group is defined as a rack unit ru or sometimes just call a u.

The standard rack at 19 inches is 42u. One u is 1 75 inches 44 45mm. Racksolutions server racks are compatible with all the leading oems such as dell hp and ibm servers and equipment and they meet the eia standards for 19 server racks. The fully enclosed secure server cabinets range in size all the way up to 42u and they exceed oem air flow requirements and regulations.

For example a typical full size rack cage is 42u high while equipment is typically 1u 2u 3u or 4u high. The sliding rails can lock in various extended positions to prevent the equipment from moving when extended out from the. Add a sturdy 1u vented rack shelf into almost any server rack or cabinet improve airflow in your rack your cabinet or rack with a vented 1u rack shelf ensure your equipment or tools are secure with heavy duty 1u shelf save space in your office or server room by placing non rackmount it or av. 1u occupies 1 75 44 45 mm of vertical space.

The server itself might have locking pins on the. The standard rack at 19 inches is 42u.