DELL™ OPTIPLEX™ 9010 TECHNICAL GUIDEBOOK VER 1.246C HASSIS ENC LOS URE & V ENTILATION R EQ UI REM ENTSENCLOSURE VENTILATIONIf your enclosure has doors, they need to be of a type that allows at least 30% airflowthrough the enclosure (front and back).ENCLOSURE MINIMUM CLEARANCELeave a 10.2 cm (4 in.) minimum clearance on all vented sides of the computer to permitthe airflow required for proper ventilation.RECOMMENDED ENCLOSUREDo not install your computer in an enclosure that does not allow airflow. This restricts theairflow and impacts your computer’s performance, possibly causing it to overheat.OPEN DESK MINIMUM CLEARANCEIf your computer is installed in a corner, on a desk, or under a desk, leave at least 5.1 cm (2 in.)clearance from the back of the computer to the wall to permit the airflow required for properventilation.REGULATORY COMPLIANCE AND ENVIRONMENTALProduct related conformity assessment and regulatory authorizations including Product Safety, Electromagnetic Compatibility(EMC), Ergonomics, and Communication Devices relevant to this product may be viewed at www.dell.com/regulatory_compliance. The Regulatory Datasheet for this product is located at http://www.dell.com/regulatory_compliance.Details of Dell's environmental stewardship program to conserve product energy consumption, reduce or eliminate materials fordisposal, prolong product life span and provide effective and convenient equipment recovery solutions may be viewed atwww.dell.com/environment. Product related conformity assessment, regulatory authorizations, and information encompassingEnvironmental, Energy Consumption, Noise Emissions, Product Materials Information, Packaging, Batteries, and Recycling relevantto this product may be viewed by clicking the Design for Environment link on the webpage.