Standard 19 Inch Rack Sizes

A rack unit abbreviated u or ru is a unit of measure defined as 1 3 4 inches 44 45 mm.

Standard 19 inch rack sizes. Free shipping by amazon. Full line of accessories a family of sizes and styles. Thus the rack must be 19 inches across in order to fit this technology. 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.

Most rack mounted equipment especially servers have a mounting width of 19 inches measured from one hole to another. 78 74 2 000mm rack units. 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. The rack unit is a measure of vertical spacing and is common to both the 19 and 23 inch racks.

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. Single and double gang electrical plate dimensions. 39 37 41 34 racks in other dimensions are available. The 19 inch 480 mm standard rack arrangement is widely used throughout the telecommunication computing audio entertainment and other industries though the western electric 23 inch standard with holes on 1 inch 25 mm centers prevails in telecommunications.

The specification also sets tolerances on each of these dimensions. 4 4 out of 5 stars 140. The size denotes the width of the faceplate for the installed equipment. A 24 inch exterior width works well.

Get it as soon as thu aug 6. 42u universal rack accessories. Many racks today come with a exterior width of 24 inches. Hole spacing is either on 1 inch 25 mm centers western electric standard or the same as for 19 inch 482 6 mm racks 0 625 in or 15 9 mm spacing.

The most common standard server rack width is 19 inches. Eia standard 19 rack rails. 42u universal rack dimensions. Sidewalls split rear doors.

What is a u or rack unit. The eia 310 specification has been the 19 racks standard for equipment for 50 years. More buying choices 62 65 3 used new offers. Each u or rack unit is equivalent of 1 75 and is used as the standard terminology for describing sizes with 19 inch rack cabinets.

19 rack equipment dimensional data as specified by bs5954 1980 and iec 297 1975. 19 rack equipment dimensional data.