Maximum
altitude
Specifications
Storage
12,000 m (39,370 ft).
Operating
temperature
de-rating
Specifications
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).
The following section defines the limits to help avoid IT equipment damage and/or failure from
particulates and gaseous contamination. If it is determined that levels of particulates or gaseous pollution
are beyond the limits specified below and are the reason for the damage and/or failures to your
equipment, it may be necessary for you to remediate the environmental conditions that are causing the
damage and/or failures. Remediation of environmental conditions are the responsibility of the customer.
Particulate
contamination
Specifications
Air filtration
Data center air filtration as defined by ISO Class 8 per ISO 14644-1 with a 95%
upper confidence limit.
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.
Conductive dust
Air must be free of conductive dust, zinc whiskers, or other conductive particles.
NOTE: Applies to data center and non-data center environments.
Corrosive dust
• Air must be free of corrosive dust.
• Residual dust present in the air must have a deliquescent point less than 60%
relative humidity.
NOTE: Applies to data center and non-data center environments.
Gaseous
contamination
Specifications
Copper coupon
corrosion rate
<300 Å/month per Class G1 as defined by ANSI/ISA71.04-1985.
Silver coupon
corrosion rate
<200 Å/month as defined by AHSRAE TC9.9.
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