Dell VxRail™ E665, E665F, and E665N Technical Specifications

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Particulate and gaseous contamination specifications

If the levels of particulate or gaseous pollution exceed the specified limitations and results in equipment damage or failure, you must remediate the environmental conditions. The following table defines the limitations that help avoid any damages to the IT equipment and failure from particulate and gaseous contamination:


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. This condition 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. Air entering the data center must have MERV11 or MERV13 filtration. Air filtering can also be accomplished by filtering room air with MERV8 filter per ANSI/ASHARE Standard 127.
Conductive dust	Air must be free of conductive dust, zinc whiskers, or other conductive particles. This condition applies to data center and non-data center environments. Common sources of conductive dust include manufacturing processes, and zinc whiskers from the plating on the bottom of raised floor tiles.
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. This condition applies to data center and non-data center environments.

The copper coupon corrosion rate is <300 Å/month per Class G1 as defined by ANSI/ISA71.04-2013. The silver coupon corrosion rate is <200 Å/month as defined by ANSI/ISA71.04-2013.

The following table provides gaseous contamination specifications:


Gaseous contamination	Specifications
Copper Coupon Corrosion rate	<300 Å/month per Class G1 as defined by ANSI/ISA71.04-2013
Silver Coupon Corrosion rate	<200 Å/month as defined by ANSI/ISA71.04-2013

Maximum corrosive contaminant levels measured at ≤50% relative humidity.