Intel SGI Altix 450 manual Environmental Specifications

A: Technical Specifications and Pinouts

Environmental Specifications

Table A-4 lists the environmental specifications of the 42U rack system. Table A-5 provides the environmental information for the 20U system.

Table A-4	Environmental Specifications (42U Rack)
Feature		Specification
Temperature tolerance		+5 °C (41 °F) to +35 °C (95 °F) (up to 1500 m / 5000 ft.)
(operating)		+5 °C (41 °F) to +30 °C (86 °F) (1500 m to 3000 m /5000 ft. to 10,000 ft.)
Temperature tolerance		-40 °C (-40 °F) to +60 °C (140 °F)
(non-operating)
Relative humidity		10% to 90% operating (no condensation)
		8% to 95% non-operating (no condensation)
Heat dissipation
Altix 450 (42U rack)		59.71 kBTU/hr maximum (based on 17.5 kW)
Cooling requirement		Ambient air cooling
Air flow: intake (front),		Approximately 1400 CFM (normal operation)
exhaust (rear)
Maximum altitude		10,000 ft. (3,049 m) operating
		40,000 ft. (12,195 m) non-operating
Acoustical noise level		Less than 65 dBa maximum (with doors)

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Table A-5	Environmental Specifications (20U Rack)
Feature		Specification
Temperature tolerance		+5	°C (41 °F) to +35 °C (95 °F) (up to 1500 m / 5000 ft.)
(operating)		+5	°C (41 °F) to +30 °C (86 °F) (1500 m to 3000 m /5000 ft. to 10,000 ft.)
Temperature tolerance		-40 °C (-40 °F) to +60 °C (140 °F)
(non-operating)
Relative humidity		10% to 90% operating (no condensation)
		8% to 95% non-operating (no condensation)

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