If your cabinets are only partially populated and have perforated ventilation holes in the front and rear, you may not need additional cooling fan kits. Server manufacturers typically recommend a minimum perforation factor for the doors of the cabinets that would be used to house their servers and this is typically from 63% upwards; to allow adequate air flow from front to rear.
Server Racks
Server Room Environments supplies a complete range of server racks and cabinets from 4U to 47U for standard office and IT applications to bespoke cabinets manufactured for roadside and extreme cabinets. The racks offer a number of options (product cabinet dependent) including case paint colours, front and rear doors and internal fixtures. Product delivery times are shown for each rack. Bespoke rack designs, manufactured in the UK are available upon request.
Server Rack and Cabinet Height Conversion Table
The following table shows the height of a rack or cabinet in metric and imperial measurements. This is the internal ‘usuable’ height. The overall physical height will be larger dependent upon the type of rack or cabinet, its feet (which may be adjustable) or castors and cable entry points.
The table can also be used to calculate the total ‘U’ height of the equipment to be located in the rack or cabinet and how much space capacity is available for future expansion. For example total the height in millimetres (mm) and divide by 44.45 to get the approximate U height.
U Height | Metres | Centimetres | Millimetres | Feet | Inches |
---|---|---|---|---|---|
1U | 0.04m | 4.45cm | 44.45mm | 0.15ft | 1.75" |
2U | 0.09m | 8.89cm | 88.90mm | 0.29ft | 3.50" |
3U | 0.13m | 13.34cm | 133.35mm | 0.44ft | 5.25" |
4U | 0.18m | 17.78cm | 177.80mm | 0.58ft | 7.00" |
5U | 0.22m | 22.23cm | 222.25mm | 0.73ft | 8.75" |
6U | 0.27m | 26.67cm | 266.70mm | 0.88ft | 10.50" |
7U | 0.31m | 31.12cm | 311.15mm | 1.02ft | 12.25" |
8U | 0.36m | 35.56cm | 355.60mm | 1.17ft | 14.00" |
9U | 0.40m | 40.01cm | 400.05mm | 1.31ft | 15.75" |
10U | 0.44m | 44.45cm | 444.50mm | 1.46ft | 17.50" |
11U | 0.49m | 48.90cm | 488.95mm | 1.60ft | 19.25" |
12U | 0.53m | 53.34cm | 533.40mm | 1.75ft | 21.00" |
13U | 0.58m | 57.79cm | 577.85mm | 1.90ft | 22.75" |
14U | 0.62m | 62.23cm | 622.30mm | 2.04ft | 24.50" |
15U | 0.67m | 66.68cm | 666.75mm | 2.19ft | 26.25" |
16U | 0.71m | 71.12cm | 711.20mm | 2.33ft | 28.00" |
17U | 0.76m | 75.57cm | 755.65mm | 2.48ft | 29.75" |
18U | 0.80m | 80.01cm | 800.10mm | 2.63ft | 31.50" |
19U | 0.84m | 84.46cm | 844.55mm | 2.77ft | 33.25" |
20U | 0.89m | 88.90cm | 889.00mm | 2.92ft | 35.00" |
21U | 0.93m | 93.35cm | 933.45mm | 3.06ft | 36.75" |
22U | 0.98m | 97.79cm | 977.90mm | 3.21ft | 38.50" |
23U | 1.02m | 102.24cm | 1022.35mm | 3.35ft | 40.25" |
24U | 1.07m | 106.68cm | 1066.80mm | 3.50ft | 42.00" |
25U | 1.11m | 111.13cm | 1111.25mm | 3.65ft | 43.75" |
26U | 1.16m | 115.57cm | 1155.70mm | 3.79ft | 45.50" |
27U | 1.20m | 120.02cm | 1200.15mm | 3.94ft | 47.25" |
28U | 1.24m | 124.46cm | 1244.60mm | 4.08ft | 49.00" |
29U | 1.29m | 128.91cm | 1289.05mm | 4.23ft | 50.75" |
30U | 1.33m | 133.35cm | 1333.50mm | 4.38ft | 52.50" |
31U | 1.38m | 137.80cm | 1377.95mm | 4.52ft | 54.25" |
32U | 1.42m | 142.24cm | 1422.40mm | 4.67ft | 56.00" |
33U | 1.47m | 146.69cm | 1466.85mm | 4.81ft | 57.75" |
34U | 1.51m | 151.13cm | 1511.30mm | 4.96ft | 59.50" |
35U | 1.56m | 155.58cm | 1555.75mm | 5.10ft | 61.25" |
36U | 1.60m | 160.02cm | 1600.20mm | 5.25ft | 63.00" |
37U | 1.64m | 164.47cm | 1644.65mm | 5.40ft | 64.75" |
38U | 1.69m | 168.91cm | 1689.10mm | 5.54ft | 66.50" |
39U | 1.73m | 173.36cm | 1733.55mm | 5.69ft | 68.25" |
40U | 1.78m | 177.80cm | 1778.00mm | 5.83ft | 70.00" |
41U | 1.82m | 182.25cm | 1822.45mm | 5.98ft | 71.75" |
42U | 1.87m | 186.69cm | 1866.90mm | 6.13ft | 73.50" |
43U | 1.91m | 191.14cm | 1911.35mm | 6.27ft | 75.25" |
44U | 1.96m | 195.58cm | 1955.80mm | 6.42ft | 77.00" |
45U | 2.00m | 200.03cm | 2000.25mm | 6.56ft | 78.75" |
46U | 2.04m | 204.47cm | 2044.70mm | 6.71ft | 80.50" |
47U | 2.09m | 208.92cm | 2089.15mm | 6.85ft | 82.25" |
48U | 2.13m | 213.36cm | 2133.60mm | 7.00ft | 84.00" |
For individual rack or cabinet dimensions including overall height, width and depth please refer to the individual product specifications.
Bespoke Rack Cabinets
We provide a complete UK design and build service for our UK made server cabinets, racks and enclosure.
Please contact us for more information on our server racks range.
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