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Appendix A
Server Specifications
Environmental Specifications
Table A-6
Table A-6
Description
Temperature, operating
Temperature, nonoperating
(when the server is in storage or is transported)
Humidity (RH), operating
Humidity, non-operating
Altitude, operating
Altitude, nonoperating
(when the server is in storage or is transported)
Sound power level
Measure A-weighted per ISO7779 LwAd (Bels)
Operation at 73°F (23°C)
Sound pressure level
Measure A-weighted per ISO7779 LpAm (dBA)
Operation at 73°F (23°C)
OL-32474-01
lists the environmental specifications for the server.
Environmental Specifications
Specification
41 to 95°F (5 to 35°C)
Derate the maximum temperature by 1°C per every
305 meters of altitude above sea level.
–40 to 149°F (–40 to 65°C)
10 to 90%
5 to 93%
0 to 10,000 feet
0 to 40,000 feet
5.8
43
Cisco UCS C240 M4 Server Installation and Service Guide
Environmental Specifications
A-5
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