Understanding Data Rack Cabinet Sizes allows us to precisely plan the IT infrastructure. The height, width, and depth in the rack are crucial for the optimal arrangement of server equipment inside it. Let’s delve into an in-depth examination of each of the mentioned elements.

Data Rack Cabinet Height

Height is measured in “U” units, where one unit (1U) is approximately 1.75 inches or approximately 44.45 mm. “U” indicates the number of levels the enclosure can accommodate. For example, if a height of 42U is specified, it means that it can accommodate 42 tiers of 1U high server hardware.

Server Cabinet Depth

Knowing the height alone will not provide you with a complete understanding of the Data Rack Cabinet Sizes. Other dimensions are equally important. Depth affects ventilation, access to devices, and its capacity. In Europe, the most frequently chosen depth is 800 mm.

Data Rack Width

The last key aspect when considering Data Rack Cabinet Sizes is its width. This parameter is directly related to 19-inch wide devices, which are the accepted standard in the IT industry. Rack enclosures with widths of either 600 or 800 millimeters are recommended for their placement.

Recommendations before choosing

To understand which rack cabinet dimensions will be suitable:

  • List devices — define exactly what equipment and how many units you need to place.
  • Calculate height — check the height of the devices, add the values, and get the required number of U.
  • Order with reserve — always choose a cabinet slightly taller than the calculated value.
  • Avoid overfilling — do not load more than 75–80% to keep free space.
  • Ensure airflow — leave room for access and proper ventilation.
  • Check depth compatibility — make sure the cabinet depth matches the longest device + space for cabling.
  • Choose correct width — 600 mm for compact setups, 800 mm if you need more room for cable management.
  • Plan future growth — leave additional U units for upcoming devices to avoid replacing the cabinet too soon.

IPCOM-Group: 42U Cabinet Size

We are manufacturers of telecom and server equipment. Our offer includes models from 4U to 42U in floor and hanging versions. For example, here you will find a 42U cabinet, which is the most popular size in Europe.
The dimensions offered by IPCOM-Group:

  • Height: 1866 mm.
  • Width: 600 and 800 mm
  • Depth to choose from: 600, 800, and 1000 millimeters.

It is sold disassembled, which makes it easier to transport and assemble.

We hope that our article helped you understand how important Data Rack Cabinet Sizes are and will assist you in the future when choosing. If there are any uncertainties and you would like to know more, please contact us! Do this via the “Contact” section or through a quick WhatsApp chat.