Dell PowerEdge R760XA Installation and Service Manual - Page 28

Thermal air restrictions, ASHRAE A2 environment

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Table 23. Continuous Operation Specifications for ASHRAE A4 (continued) Temperature Specifications Operational altitude de-rating Maximum temperature is reduced by 1°C/125 m (1.8°F/410 Ft) above 900 m (2953 Ft) Table 24. Common Environmental Specifications for ASHRAE A2, A3 and A4 Allowable continuous operations Maximum temperature gradient (applies to both operation and non-operation) 20°C in an hour* (36°F in an hour) and 5°C in 15 minutes (9°F in 15 minutes), 5°C in an hour* (9°F in an hour) for tape NOTE: * - Per ASHRAE thermal guidelines for tape hardware, these are not instantaneous rates of temperature change. Non-operational temperature limits Non-operational humidity limits Maximum non-operational altitude Maximum operational altitude -40 to 65°C (-40 to 149°F) 5% to 95% RH with 27°C (80.6°F) maximum dew point 12,000 meters (39,370 feet) 3,050 meters (10,006 feet) Table 25. Maximum vibration specifications Maximum vibration Specifications Operating 0.21 Grms at 5 Hz to 500 Hz for 10 minutes (all operation orientations) Storage 1.88 Grms at 10 Hz to 500 Hz for 15 minutes (all six sides tested) Table 26. Maximum shock pulse specifications Maximum shock pulse Specifications Operating Six consecutively executed shock pulses in the positive and negative x, y, and z axis of 6 G for up to 11 ms. Storage 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. Thermal air restrictions ASHRAE A2 environment ● Processors > 350 W are not supported ● 8470Q and 6458Q 350 W Processors are not supported ● GPU > 400 W are not supported ● Maximum 30° C (86°F) for GPU > 350 W With Processor > 225 W ASHRAE A3 environment ● Processors > 225 W are not supported ● GPUs at rear slots are not supported ● Nvidia A2 GPU is supported at front slots. Other GPUs are not supported ● 128 GB or greater capacity RDIMMs are not supported ● Two power supplies are required. System performance may be reduced in the event of a PSU failure ● Non-Dell qualified peripheral cards and/or peripheral cards greater than 25 W are not supported ● 85°C (185°F) active optics cable is required 28 Technical specifications

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Table 23. Continuous Operation Specifications for ASHRAE A4 (continued)
Temperature
Specifications
Operational altitude de-rating
Maximum temperature is reduced by 1°C/125 m (1.8°F/410 Ft) above 900
m (2953 Ft)
Table 24. Common Environmental Specifications for ASHRAE A2, A3 and A4
Allowable continuous operations
Maximum temperature gradient (applies to both
operation and non-operation)
20°C in an hour* (36°F in an hour) and 5°C in 15 minutes (9°F in 15
minutes), 5°C in an hour* (9°F in an hour) for tape
NOTE:
* - Per ASHRAE thermal guidelines for tape hardware, these are
not instantaneous rates of temperature change.
Non-operational temperature limits
-40 to 65°C (-40 to 149°F)
Non-operational humidity limits
5% to 95% RH with 27°C (80.6°F) maximum dew point
Maximum non-operational altitude
12,000 meters (39,370 feet)
Maximum operational altitude
3,050 meters (10,006 feet)
Table 25. Maximum vibration specifications
Maximum vibration
Specifications
Operating
0.21 G
rms
at 5 Hz to 500 Hz for 10 minutes (all operation orientations)
Storage
1.88 G
rms
at 10 Hz to 500 Hz for 15 minutes (all six sides tested)
Table 26. Maximum shock pulse specifications
Maximum shock pulse
Specifications
Operating
Six consecutively executed shock pulses in the positive and negative x, y,
and z axis of 6 G for up to 11 ms.
Storage
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.
Thermal air restrictions
ASHRAE A2 environment
●
Processors > 350 W are not supported
●
8470Q and 6458Q 350 W Processors are not supported
●
GPU > 400 W are not supported
●
Maximum 30° C (86°F) for GPU > 350 W With Processor > 225 W
ASHRAE A3 environment
●
Processors > 225 W are not supported
●
GPUs at rear slots are not supported
●
Nvidia A2 GPU is supported at front slots. Other GPUs are not supported
●
128 GB or greater capacity RDIMMs are not supported
●
Two power supplies are required. System performance may be reduced in the event of a PSU failure
●
Non-Dell qualified peripheral cards and/or peripheral cards greater than 25 W are not supported
●
85°C (185°F) active optics cable is required
28
Technical specifications