PowerEdge M910 Technical Guide 165 Power, thermal and acousticsTable 3 lists the environmental specifications for the PowerEdge M910.Table 3. Environmental specificationsTemperatureOperating10o to 35oC (50o to 95oF) with a maximum temperature gradation of10o per hourNOTE: For altitudes above 2950 feet, the maximum operatingtemperature is derated 1oF/500 ftStorage −40o to 65oC (−40o to 149oF) with a maximum temperaturegradation of 20oC per hourRelative humidityOperating See Fresh Air for relative humidity informationStorage 5% to 95% (non-condensing) with a maximum humidity gradationof 10% per hourMaximum vibrationOperating 0.26Grms at 5–350Hz in operational orientationsStorage 1.54Grms at 10–250Hz in all orientationsMaximum shockOperating Half sine shock in all operational orientations of 31G +/− 5% with apulse duration of 2.6 ms +/− 10%Storage Half sine shock on all six sides of 71G +/− 5% with a pulse durationof 2 ms +/− 10%AltitudeOperating−15.2 m to 3048 m (−50 ft to 10,000 ft)Note: For altitudes above 2950 ft, the maximum temperature isderated 1oF/550 ftStorage −16 m to 10,600 m (−50 ft to 35,000 ft)Airborne contaminant levelClass G1 or lower as defined by ISA-S71.04-1985 (G1 maximum corrosive contaminant levelsmeasured at ≤ 50% relative humidity)