1 Rack Unit Width

When leasing space in a colocation facility or planning for an on site network cabinet or closet customers should focus on four key issues.

1 rack unit width.

It is most frequently used as a measurement of the usable space of 19 inch rack frames as well as the height of equipment that mounts in these frames where the height of the equip ment is expressed as multiples of rack units. 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. A 23 inch 580 mm rack is used for housing telephone primarily computer audio and other equipment though is less common than the 19 inch rack. Rack size is a measure in electronic industries alliance eia standard rack units rack u and a single u is equivalent to 1 75in.

A u or rack unit is a measurement of the height of a piece of computer or network gear that is designed to fit into a standard 19 or 23 rack. The industry standard for data centers the 42u universal server rack is compatible with a wide variety of servers and rack mountable networking equipment including dell hp austin hughes ibm kendall howard great lakes martin enclosures chatsworth and apc products. These racks offer room for equipment that us 19 wide 482 6 mm and have variable height expressed in rack units. A rack unit or one u is the standard size for servers and other network equipment that is installed in 19 inch server racks.

1u is 1 75 or 44 45 mm. 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 standard rack at 19 inches is 42u. What is a rack unit.

The rack unit is a measure of vertical spacing and is common to both the 19 and 23 inch racks. A rack unit abbreviated u or ru is a unit of measure defined as 1 75 inches. A single rack unit is exactly 1 75 44 45 mm in height although many manufacturers will make their equipment slightly smaller than this to ease installation into racks where things were. One rack unit 1 inches of height of the equipment s rectangular front panel.

A rack unit abbreviated u or ru is a unit of measure defined as 1 3 4 inches 44 45 mm. One u is 1 75 inches 44 45mm. The 42u rack is completely customizable and can handle even the heaviest loads up. One rack unit u is 1 75 inches.

The size denotes the width of the faceplate for the installed equipment. The panel width is standardized at 19 inches 482 6 mm. Standard racks with widths of 23 inches 584 mm and 30 inches 762 mm are also made but rarely encountered by consumers.