Dell PowerEdge T40 EMC Technical Specifications Guide - Page 12

Table 10. Temperature specifications Temperature Storage Continuous operation (for altitude less than 900 m or 2953 ft) Fresh air Maximum temperature gradient (operating and storage) Specifications -40-65°C (-40-149°F) 10-35°C (50-95°F) with no direct sunlight on the equipment T40 do not support Fresh air (Expanded operating temperature) 20°C/h (36°F/h) Table 11. Relative humidity specifications Relative humidity Storage Operating Specifications 5% to 95% RH with 27°C (80.6°F) maximum dew point. Atmosphere must be noncondensing at all times. 20% to 80% RH with 21°C ( 69.8 °F ) maximum dew point. Table 12. Maximum vibration specifications Maximum vibration Operating Storage Table 13. Maximum shock pulse specifications Maximum shock pulse Operating Storage Specifications 0.26 Grms at 5 Hz to 350 Hz (all operation orientations) 1.88 Grms at 10 Hz to 500 Hz for 15 minutes (all six sides tested) Specifications Six consecutively executed shock pulses in the positive and negative x, y, and z axis of 6G for up to 11 ms. Six consecutively executed shock pulses in the positive and negative x, y, and z axis (one pulse on each side of the system) of 71 G for up to 2 ms. Table 14. Maximum altitude specifications Maximum altitude Operating Storage Specifications 3048 m (10,000 ft) 12,000 m (39,370 ft) Table 15. Operating temperature derating specifications Operating temperature derating Specifications Up to 35°C (95°F) Maximum temperature is reduced by 1°C/300 m (1°F/547 ft), above 900 m (2,953 ft). Thermal restriction matrix Table 16. Thermal restrictions matrix Ambient Processor 25°C No restriction 30°C No restriction DIMM No restriction No restriction Drive Limited to entry drives with power less than 6.8W Or No restriction to 1 / 2 TB 7200 rpm and 4 TB 5400 rpm 35°C No restriction No restriction 12 Technical specifications