What is the height of one rack unit?

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Multiple Choice

What is the height of one rack unit?

The height of a single rack unit is defined by the unit “U” used in 19-inch racks. One U is standardized at 1.75 inches (44.45 mm) tall, which is why devices are commonly described by multiples of 1U (2U would be 3.5 inches, and so on). The other numbers don’t match this established height, so they aren’t correct for a single rack unit.

The height of a single rack unit is defined by the unit “U” used in 19-inch racks. One U is standardized at 1.75 inches (44.45 mm) tall, which is why devices are commonly described by multiples of 1U (2U would be 3.5 inches, and so on). The other numbers don’t match this established height, so they aren’t correct for a single rack unit.

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