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.
Standard server rack sizes.
That said it is possible to understand the notation used for server rack sizing.
A standard 19 inch server rack cabinet is typically 42u in height 600 millimetres 24 in wide and 36 inches 914 40 mm deep.
For example a 9u rack has a width of 19 inches for a standard rack and a height of 15 75 inches 1 75 multiplied by 9.
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 server rack is a rack specifically designed to hold and organize it equipment.
Server rack dimensions small large and other server rack sizes to choose from enjoy 10 off your first order.
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.
Server rack cabinet enclosures on the other hand can be a non standard 18u or 37u.
With the exception of some legacy equipment monitors and keyboards most server and network equipment sold today is intended to be rack mounted.
The 42u rack is completely customizable and can handle even the heaviest loads up.
8 75 height 19 width 1u sometimes written as 1ru rac.
Server rack depth illustration of rack depth.
Choose from our wide selection of all server rack sizes and dimensions.
5 25 height 19 width 4u.
19 inch server racks can vary in qualities.
Server racks can range from 0 to 50 inches in depth but are commonly seen at 24 and 48 inch depths.
1 75 height 19 width 2u.
Unlike height server rack depth is commonly measured in inches and has is much less variation in sizes.
7 0 height 19 width 5u.
Server racks and cabinets are available in different sizes so you can ensure that you have ample space to accommodate current and future expansion plans.
The most common standard sizes of server racks are as follows.
Newer server rack cabinets come with adjustable mounting rails allowing the user to place the rails at a shorter depth if needed.
1u one rack unit is approximately 1 75 in height 2u is 3 5 in height and so on.
3 5 height 19 width 3u.
1u 2u 3u and so on.