19 inch rack Basic | Ultimate Guide

19 inch rack Basic Ultimate Guide

A 19-inch rack is a standardized frame or enclosure which has a front panel that is 19 inches, and it is widely used for mounting multiple electronic equipment modules. The structure of the enclosures can be maintained with this panel. In the following article, you’ll find an overview of the beginner-friendly introduction about the rack, covering the best 19" rack mount enclosure on the market.
best 19 rack mount enclosure


What is a Racking Unit?

A rack unit is a unit of measurement suitable for equipment racks and the servers, disk drives, and other equipment they contain. A U is 1.75 inches (44.45 mm).

How Many U is a Standard 19 inch Rack?

The standard 19" enclosure is 42U tall and is 44.45 mm in height, which means it holds just over 6 feet (180 cm) of equipment. It is a common configuration that can be used in cabinets for industrial equipment. This rack and can be divided into several areas and is designed to hold equipment of different sizes.
Rack Units Height (in) Height (ft) Height (cm)
24U 42 3.5 106.7 cm
standard 42u rack dimensions

What Is a Rack Unit Calculator Used For?

A rack unit is terminology for illustrating the sizes of the 19-inch rack. And the rack calculator can convert rack U's into cm, inches, and feet, which helps the installer know exactly how much rack unit space you require and what equipment to buy a 19-inch rack. For example, a typical full-size rack cage is 42U high, while equipment is typically 1U, 2U, 3U, or 4U high.

Yongu's 19-inch rack mount controls high-grade intolerance in CNC precision processing with good quality raw aluminum material with a range of applications, we could offer 19 inch instrument rack with different Hights. To help you figure out which one is the perfect design for you, here are 4 racks you can order right this second.

● 1U aluminum enclosure

1U aluminum enclosure

1U rack mount dimensions:

Rack Units Height (in) Height (ft) Height (cm)
1U 1.75″ 0.15′ 4.4 cm

● 2U aluminum enclosure

2U aluminum enclosure

2U rack mount dimensions:

Rack Units Height (in) Height (ft) Height (cm)
2U 3.5″ 0.29′ 8.9 cm

● 3U aluminum enclosure

3U aluminum enclosure

3U rack mount dimension:

Rack Units Height (in) Height (ft) Height (cm)
3U 5.25″ 0.44′ 13.3 cm

● 4U aluminum enclosure

4U aluminum enclosure

4U rack mount dimensions:

Rack Units Height (in) Height (ft) Height (cm)
4U 7 0.58 17.8 cm


Yongu provides aluminum enclosure solutions to our customers that are competitive with products offered by fabricators.  You can customize different sizes of enclosures here and we provide customized service for changeable width, height, length, designing service for outer surface, structure, and CMF, which help to be good and fashionable style.

Learn more about our Design & Custom aluminum enclosure