1 Rack Unit Height

A rack unit abbreviated u or ru is a unit of measure defined as 1 3 4 inches 44 45 mm.

1 rack unit height.

The panel width is standardized at 19 inches 482 6 mm. One rack unit u is 1 75 inches. 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 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. It is most frequently used as a measurement of the overall height of 19 inch and 23 inch rack frames as well as the height of equipment that mounts in these frames whereby the height of the frame or equipment is expressed as multiples of rack units for example a typical full size rack cage is 42u. 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. Everything is sized in rack units or u heights.

The rack unit was created. 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. The remaining 5 inches comes from the distance from the bottom hole to the. 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.

One u is 1 75 inches 44 45mm. 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. Three holes in a rack equals 1u and this is also how server height is gauged. Standard racks with widths of 23 inches 584 mm and 30 inches 762 mm are also made but rarely encountered by consumers.

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. 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. The rack unit is a standard measurement for server height. When leasing space in a colocation facility or planning for an on site network cabinet or closet customers should focus on four key issues.

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.