Why is it called 19 inch rack?

One of the first terms you’ll learn in the world of server is ’19 inch rack’ because this is a standard that the industry revolves around. 19 inches refers to the mountable width of servers and the racks that they will be placed in. Since servers are housed in huge chunks of metal, adjustability is difficult.

How is rack size measured?

The most common standard server rack width is 19 inches. Most rack-mounted equipment, especially servers, have a mounting width of 19 inches measured from one hole to another. Thus, the rack must be 19 inches across in order to fit this technology. Many racks today come with a exterior width of 24 inches.

What is the depth of a 19 inch rack?

19-inch server racks can vary in qualities. A standard 19-inch server rack cabinet is typically 42u in height, 19 inches (482.60 mm) wide, and 36 inches (914.40 mm) deep. Newer server rack cabinets come with adjustable mounting rails allowing the user to place the rails at a shorter depth if needed.

What are the dimensions of a standard computer rack?

It is commonly available in 19-inch and 23-inch rack sizes. Each rack unit is 1.75 inches wide and can easily mount servers, computers or other devices of similar width.

What is a 19 equipment rack?

A 19-inch rack is a standardized frame or enclosure for mounting multiple electronic equipment modules. Each module has a front panel that is 19 inches (48.3 cm) wide. The 19 inch dimension includes the edges or “ears” that protrude from each side of the equipment, allowing the module to be fastened to the rack frame with screws.

What is standard rack width?

Standard racks are 24 inches wide, but vary in height. For this reason, the U unit measures how tall a rack-mountable hardware device is. 1U is equal to 1.75 inches. Therefore, a 1U piece of equipment is 1.75 inches tall and takes up one unit of rack space. A 2U device is 3.5 inches tall and takes up 2 units of rack space.

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