Expanded operating temperature Specifications
Continuous operation 5°C to 40°C at 5% to 85% RH with 29°C dew point.
NOTE: Outside the standard operating temperature (10°C to
35°C), the VxRail can operate continuously in temperatures as low
as 5°C and as high as 40°C.
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 VxRail 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, VxRail 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 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.
Thermal restrictions
This section describes the thermal restrictions and configuration requirements for efficient cooling.
The following table describes the configuration required for efficient cooling:
Supported
VxRail
Configuratio
n
Number
of
processo
r
Heatsink Processor/DIMM
blank
DIMM
blanks
Type of air
shroud
Fan
VxRail P
Series
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
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
1 One 1U high performance
heat sink
Required Required Not required Six high
performance
fans
VxRail S
Series
2 Two 1U high performance
heat sink
Not required Required Not required Six high
performance
fans
Technical specifications 25
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