What are the standard rack-mounted hardware sizes?

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Multiple Choice

What are the standard rack-mounted hardware sizes?

Rack-mounted hardware uses two common widths so devices from different vendors can share the same enclosure. These standard widths are 19 inches and 23 inches, which convert to about 482 mm and 584 mm. The 19-inch format is by far the most common for IT gear like servers, switches, and patch panels in data centers. The 23-inch format is primarily used for telecom equipment and some legacy gear. So the standard sizes you’ll encounter are 19 inches (482 mm) and 23 inches (584 mm).

Rack-mounted hardware uses two common widths so devices from different vendors can share the same enclosure. These standard widths are 19 inches and 23 inches, which convert to about 482 mm and 584 mm. The 19-inch format is by far the most common for IT gear like servers, switches, and patch panels in data centers. The 23-inch format is primarily used for telecom equipment and some legacy gear. So the standard sizes you’ll encounter are 19 inches (482 mm) and 23 inches (584 mm).

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