Dell PowerEdge R330 Owner's Manual page 158

Relative Specifications
humidity
Storage 5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must be non-
condensing at all times.
Operating 10% to 80% Relative Humidity with 29°C (84.2°F) maximum dew point.
Maximum Specifications
vibration
Operating 0.26 G
Storage 1.88 G
Maximum Specifications
shock
Operating Six consecutively executed shock pulses in the positive and negative x, y, and z
axes of 40 G for up to 2.3 ms.
Storage Six consecutively executed shock pulses in the positive and negative x, y, and z
axes (one pulse on each side of the system) of 71 G for up to 2 ms.
Maximum Specifications
altitude
Operating
3048 m (10,000 ft).
Storage 12,000 m (39,370 ft).
Operating Specifications
temperature
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)
The following section defines the limits to help avoid IT equipment damage and/or failure from
particulates and gaseous contamination. If the levels of particulates or gaseous pollution are beyond the
specified limits and cause equipment damage or failure, you may need to rectify the environmental
conditions. Remediation of environmental conditions is the responsibility of the customer.
Particulate Specifications
contamination
Air filtration Data center air filtration as defined by ISO Class 8 per ISO 14644-1 with a 95%
upper confidence limit.
Conductive dust Air must be free of conductive dust, zinc whiskers, or other conductive particles.
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at 5 Hz to 350 Hz (all operation orientations).
rms
at 10 Hz to 500 Hz for 15 min (all six sides tested).
rms
NOTE: Applies to data center environments only. Air filtration requirements do
not apply to IT equipment designed to be used outside a data center, in
environments such as an office or factory floor.
NOTE: Air entering the data center must have MERV11 or MERV13 filtration.