28 PowerEdge C5220 Technical GuideEnvironmental specificationsTable 17 details the environmental specifications for the PowerEdge C5220. For the most up-to-date information, see theDell PowerEdge C5220 Getting Started Guide onDell.com/Support/Manuals. For additional information about environmental measurements forspecific system configurations, see Dell.com/environmental_datasheets.Table 17. Environmental specificationsTemperatureOperating 10° to 35°C (50° to 95°F) with a maximum temperature gradation of 10°C per hour. Note:For altitudes above 2950 feet, the maximum operating temperature is de-rated 1°F/550 feetStorage -40° to 65°C (-40° to 149°F) with a maximum temperature gradation of 20°C per hourRelative humidityOperating 20% to 80% (non-condensing) with a maximum humidity gradation of 10% per hourStorage 5% to 95% (non-condensing)Maximum vibrationOperating 0.26 Grms at 5Hz to 350Hz for 5 minutes in operational orientationsStorage 1.87 Grms at 10Hz to 500Hz for 15 minutes in all orientationsMaximum shockOperating One shock pulse in the positive z-axis (one pulse on each side of the system) of 31G for2.6ms in the operational orientationStorage Six consecutively executed shock pulses in the positive and negative x, y and z axes (onepulse on each side of the system) of 71G for up to 2ms.Six consecutively executed shock pulses in the positive and negative x, y and z axes (onepulse on each of the system) of 22G faired square wave pulse with velocity change at200in/second (508cm/sec)AltitudeOperating -16 to 3048 m (-50 to 10,000 ft) Note: For altitudes above 2950 feet, the maximumoperating temperature is de-rated 1°F/550 ftStorage -16 to 10,600 m (-50 to 35,000 ft)Note: For altitudes above 2950 feet, the maximum operating temperature is de-rated1°F/550 ftAirborne contaminant levelClass G1 or lower as defined by ISA-S71.04-1985