1 Rack Unit Height

It is most frequently used as a measurement of the usable space of 19 inch rack frames as well as the height of equipment that mounts in these frames where the height of the equip ment is expressed as multiples of rack units.

1 rack unit height. The rack unit is a standard measurement for server height. The remaining 5 inches comes from the distance from the bottom hole to the. A rack unit abbreviated as u less commonly seen as ru is a unit of measurement applied to equipment racks and the servers disk drives and other devices that they contain. One u is 1 75 inches 44 45mm.

The rack unit was created. Standard racks with widths of 23 inches 584 mm and 30 inches 762 mm are also made but rarely encountered by consumers. The panel width is standardized at 19 inches 482 6 mm. The total rack unit is measured from the middle of the rack s top hole of the previous u space to the top hole of the current u space.

A u or rack unit is a measurement of the height of a piece of computer or network gear that is designed to fit into a standard 19 or 23 rack. One rack unit 1 inches of height of the equipment s rectangular front panel. A rack unit abbreviated u or ru is a unit of measure defined as 1 75 inches. A rack unit abbreviated u or ru is a unit of measure defined as 1 3 4 inches 44 45 mm.

Spacing between holes within a rack unit are the same at 625 inches but that on its own would only make up 1 35 inches of height. A single rack unit is exactly 1 75 44 45 mm in height although many manufacturers will make their equipment slightly smaller than this to ease installation into racks where things were. A rack unit u or ru is a unit of measure that describes the height of equipment designed to mount in a 19 inch rack or a 23 inch rack. The 19 inch 482 6 mm or 23 inch 584 2 mm dimension refers to the width of the equipment mounting frame in the rack including the frame.

The width of the equipment that can be mounted inside the rack is less. We can summarize which heights might be best for each consumer but the most important thing is to plan out your current needs and potential future needs before purchasing a rack. The standard rack at 19 inches is 42u. Everything is sized in rack units or u heights.

One rack unit u is 1 75 inches. When leasing space in a colocation facility or planning for an on site network cabinet or closet customers should focus on four key issues.