Dell PowerEdge R420xr Dell PowerEdge R420xr Owners Manual - Page 8

Environmental Temperature (Continuous Operation) Temperature Ranges (for altitude less than 950 m 10 °C to 45 °C (50 °F to 113 °F) with no direct or 3117 ft) sunlight on the equipment. Humidity Percentage Range 10% to 80% Relative Humidity with 26 °C (78.8 °F) maximum dew point. Relative Humidity Storage 5% to 95% RH with 33 °C (91 °F) maximum dew point. Atmosphere must be non-condensing at all times. Vibration Operating Non-operating MIL-STD-810G, Method 514.6, Figure 514.6D-9, 0.00220783 g2/Hz at 10-500 Hz (overall 1.04 Grms), 1 hour per axis MIL-STD-810G, Method 514.6, Figure 514.6, Procedure I, Category 4, Figure 514.6C-1 (US highway truck vibration), Vertical: 5-500 Hz at 1.04 Grms, Transverse: 5-500 Hz at 0.204 Grms, Longitudinal: 5-500 Hz at 0.740 Grms, 1 hour per axis Shock Operating MIL-STD-810G, Method 516.6, Procedure I, 20G for rotational hard drives and 40G for solid state drives, 11 ms, saw tooth, 3 shocks, +/- per axis Non-operating MIL-STD-810G, Method 516.6, Procedure V, 40G, 11 ms, saw tooth, 3 shocks, +/- per axis Maximum Altitude Operating 3,048 m (10,000 ft). Storage Operating Altitude De-rating Up to 35 °C (95 °F) 35 °C to 40 °C (95 °F to 104 °F) 40 °C to 45 °C (104 °F to 113 °F) Particulate Contamination 12,192 m (40,000 ft). Maximum temperature is reduced by 1 °C/300 m (1 °F/547 ft) above 950 m (3,117 ft). Maximum temperature is reduced by 1 °C/175 m (1 °F/319 ft) above 950 m (3,117 ft). Maximum temperature is reduced by 1 °C/125 m (1 °F/228 ft) above 950 m (3,117 ft). 8