Table 34. Expanded operating temperature specifications (continued)
Expanded operating temperature Specifications
For temperatures between 35°C to 40°C, de-rate maximum allowable
temperature by 1°C per 175 m above 950 m (1°F per 319 ft).
≤ 1% of annual operating hours –5°C to 45°C at 5% to 90% RH with 29°C dew point.
NOTE: Outside the standard operating temperature (10°C to
35°C), the appliance can operate down to –5°C or up to 45°C
for a maximum of 1% of its annual operating hours.
For temperatures between 40°C and 45°C, de-rate maximum
allowable temperature by 1°C per 125 m above 950 m (1°F per 228
ft).
NOTE: When operating in the expanded temperature range, appliance performance may be impacted.
NOTE: When operating in the expanded temperature range, ambient temperature warnings may be reported in the System
Event Log.
Expanded operating temperature restrictions
● Do not perform a cold startup below 5°C.
● The operating temperature specified is for a maximum altitude of 3050 m (10,000 ft).
● 150 W/8 core, 165 W/12 core and higher wattage processor [Thermal Design Power (TDP)>165 W] are not supported.
● Redundant power supply units are required.
● Non-Dell EMC qualified peripheral cards and/or peripheral cards greater than 25 W are not supported.
● Mid drive tray is not supported.
● Rear storage devices or drives are not supported.
● GPU is not supported.
Thermal restrictions
Following table lists the configuration required for efficient cooling.
Table 35. Thermal restrictions configuration
Supported
VxRail
Config
Number
of proc
Heatsink Processor/DIMM
blank
DIMM
blanks
Type of air
shroud
Fan
VxRail P
Series
appliance
1 One 1U standard heat sink
for CPU ≤ 125 W
Required Not
required
Standard Four standard
fans and one
blank to cover
two fan slots
One 2U standard heat sink
for CPU > 125 W
VxRail P
Series
appliance
2 Two 1U standard heat sink
for CPU ≤ 125 W
Not required Not
required
Standard Six standard
fans
Two 2U standard heat sink
for CPU > 125 W
VxRail S
Series
appliance
1 One 1U high performance
heat sink
Required Required Not required Six high
performance
fans
VxRail S
Series
appliance
2 Two 1U high performance
heat sink
Not required Required Not required Six high
performance
fans
28 Technical specifications
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