Dell OptiPlex 990 User Manual - Page 12

Physical Depth Weight (Minimum) • Mini Tower - 41.70 cm (16.42 inches) • Desktop - 41.00 cm (16.14 inches) • Small Form Factor - 31.20 cm (12.28 inches) • Ultra Small Form Factor - 24.00 cm (9.45 inches) • Mini Tower - 8.87 kg (19.55 lb) • Desktop - 7.56 kg (16.67 lb) • Small Form Factor - 5.70 kg (12.57 lb) • Ultra Small Form Factor - 3.27 kg (7.20 lb) Environmental Temperature: Operating Storage Relative humidity Altitude: Operating Storage Airborne contaminant level 10 °C to 35 °C (50 °F to 95 °F) -40 °C to 65 °C (-40 °F to 149 °F) 20% to 80% (noncondensing) -15.2 m to 3048 m (-50 ft to 10,000 ft) -15.2 m to 10,668 m (-50 ft to 35,000 ft) G2 or lower as defined by ISA S71.04-1985 Finding More Information and Resources See the safety and regulatory documents that shipped with your computer and the regulatory compliance website at www.dell.com/ regulatory_compliance for more information on: • Safety best practices • Regulatory certification • Ergonomics See www.dell.com for additional information on: • Warranty • Terms and Conditions (U.S. only) • End User License Agreement Information in this publication is subject to change without notice. © 2010 Dell Inc. All rights reserved. 12