System ambient after altitudederating (°C) Maximum supported powerdissipation (W) for 85°C orabove still air rated PCIecardsMaximum supported powerdissipation (W) for 70°C stillair rated PCIe cardsMaximum supported powerdissipation (W) for 55°C stillair rated PCIe cards20 15 12 825 14 10 630 13 9 535 12 8 440 10 6 345 9 5 250 8 4 155 6 3 Not supported60 5 2 Not supported65 4 1 Not supported70 3 Not supported Not supportedNOTE: PCIe cards must support still air environment and must not require active cooling.NOTE: PCIe cards rated above 25 W are not supported regardless of temperature rating.NOTE: If a PCIe card is rated at a temperature that is not shown in the table, use interpolation to calculate the maximumsupported power.NOTE: If a PCIe card is rated at a temperature greater than 85°C, it shall be treated as an 85°C rated card indetermining the supported power.Environmental conditions - Power moduleEnvironmental requirementsIngress protection rating IP50Temperature range:Operating (with a maximum temperature gradation of15°C per hour)• -30°C to 70°C (-22°F to 158°F) when connected to a 24VAC/DC power source.• 0°C to 40°C (-22°F to 104°F) when connected to a poweradapter or battery.NOTE: The maximum operating temperature is derated1°C/305m(1000ft) above sea level altitude.Non-operating -40°C to 85°C (-40°F to 185 °F)Relative humidity (maximum):Operating (with maximum humidity gradation of 10%per hour)10% to 90% (non-condensing)Non-operating ((with maximum humidity gradation of10% per hour)5% to 95% (non-condensing)Altitude (maximum, unpressurized):Operating -15.2m to 5000m (-50ft to 16,404ft)67