U9 Network Cabinet Dimensions

A 9U network cabinet typically has an internal height of about 400–447 mm, external height around 465–483 mm, width 450–600 mm, and depth 370–600 mm depending on the model.

Height

• Internal mounting height: 9U corresponds to 9 rack units, with 1U = 44.45 mm, so the internal height is approximately 400–447 mm (40–44.7 cm) for mounting equipment .
• External height: Due to the enclosure structure, external height ranges from 465 mm to 483 mm depending on the manufacturer .

Width

• Standard widths for 9U cabinets are typically 450 mm to 600 mm, with 19-inch mounting rails for standard network equipment .

Depth

• Depth varies by model and intended use: common options include 370 mm, 450 mm, 500 mm, 550 mm, and 600 mm. Usable internal depth is slightly less than external depth, e.g., a 600 mm external depth may provide 500 mm usable depth for equipment .

Weight

• Wall-mounted 9U cabinets generally weigh between 16 kg and 21 kg, depending on material and depth .

Additional Features

• Most 9U cabinets include lockable front doors, removable side panels, ventilation options, and cable entry points at the top and bottom .
• They are suitable for switches, patch panels, small UPS units, and other network devices, making them ideal for office or small-scale network installations . In summary, while dimensions can vary slightly by manufacturer, a typical 9U network cabinet has an internal height of ~400–447 mm, external height ~465–483 mm, width 450–600 mm, and depth 370–600 mm, providing flexible options for wall-mounted or compact network setups .