Server Rack Sizes Explained

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.

Server rack sizes explained. One rack unit is commonly designated as 1u. It contains removable doors at both front and rear sides removable side panels and adjustable vertical inside mounting rails which provides an easy way to install and take out devices. 1u one rack unit is approximately 1 75 in height 2u is 3 5 in height and so on. A standard 19 inch server rack cabinet is typically 42u in height 600 millimetres 24 in wide and 36 inches 914 40 mm deep.

It is used fervently on bigger data centers. The rack enclosure also known as server rack cabinet usually comes in 40u 42u or 45u. Professional audio and video gear often comes with rack mount options and use the same measurement specifications. We have grouped them in three general categories considering the area of application.

19 inch server racks can vary in qualities. One rack unit is also sometimes referred to as 1ru. Another option is a 2post server rack which works well for large data center installations with a variety of 2 post and 4 post rack equipment. Categorization of server racks.

The most common sizes of this type of server racks are 40 u 42 u 45 u and even 48 u. The rack enclosure aka server rack cabinet is one of the most popular server rack types. Many operations require more than one piece of hardware to perform their necessary functions. Stacking servers and other it equipment in a rack helps keep thing organized and makes it easier to control airflow.

The size of a piece of rack mounted equipment is usually described as a number in u. The 42u rack is completely customizable and can handle even the heaviest loads up. Open frame server racks are a great way to optimize cooling and make wiring easy. With the exception of some legacy equipment monitors and keyboards most server and network equipment sold today is intended to be rack mounted.

So for example if you have 20 x 2u high servers you need to mount you will need a server rack that. 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. Normally this type of server racks come with removable doors and side panels. Similarly 2 rack units are 2u and so on.

A rack unit abbreviated u or ru is a unit of measure defined as 1 3 4 inches 44 45 mm. 1u to 12u server racks. Server racks can be classified according to many features but the most usual is to categorize them by size. A server rack is a rack specifically designed to hold and organize it equipment.

Newer server rack cabinets come with adjustable mounting rails allowing the user to place the rails at a shorter depth if needed.