Dell R420xr Server User Manual


 
Environmental
Temperature (Continuous Operation)
Temperature Ranges (for altitude less than 950 m
or 3117 ft)
10 °C to 45 °C (50 °F to 113 °F) with no direct
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 MIL-STD-810G, Method 514.6, Figure 514.6D-9,
0.00220783 g2/Hz at 10-500 Hz (overall 1.04
G
rms
), 1 hour per axis
Non-operating 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 G
rms
, Transverse: 5-500 Hz at 0.204 G
rms
,
Longitudinal: 5-500 Hz at 0.740 G
rms
, 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 12,192 m (40,000 ft).
Operating Altitude De-rating
Up to 35 °C (95 °F) Maximum temperature is reduced by 1 °C/300
m (1 °F/547 ft) above 950 m (3,117 ft).
35 °C to 40 °C (95 °F to 104 °F) Maximum temperature is reduced by 1 °C/175
m (1 °F/319 ft) above 950 m (3,117 ft).
40 °C to 45 °C (104 °F to 113 °F) Maximum temperature is reduced by 1 °C/125
m (1 °F/228 ft) above 950 m (3,117 ft).
Particulate Contamination
8