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Cisco UCS C240 M4 High-Density Rack Server (Large Form Factor Disk Drive Model)
TECHNICAL SPECIFICATIONS
98
Environmental Specifications
The power specifications for the C240 M4 server are listed in 
Table 58  UCS C240 M4 LFF Environmental Specifications
Parameter
Minimum
Temperature operating
41 to 95° F (5 to 35° C)
derate the maximum temperature by 1°C per every 
 
1000 ft. (305 m) of altitude above sea level
Temperature nonoperating
–40 to 149°F (–40 to 65° C)
Humidity (RH) operating
10 to 90%, non-condensing at 82° F (28° C)
Humidity (RH) nonoperating
5 to 93% at 82° F (28° C)
Altitude operating
0 to 3,000 m (0 to 10,000 ft.)
Altitude nonoperating
0 to 12,192 m (0 to 40,000 ft.)
Sound Power level, Measure 
A-weighted per ISO7779 LWAd (Bels) 
Operation at 73°F (23°C) 
5.8
Sound Pressure level, Measure 
A-weighted per ISO7779 LpAm (dBA) 
Operation at 73°F (23°C) 
43