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Supported PCIe card power—PCIe card temperatures and power ratings must meet following requirements:
System ambient after altitude
derating (°C/°F)
20/68
25/77
30/86
35/95
40/104
45/113
50/122
55/131
60/140
65/149
70/158
NOTE: PCIe cards must support still air environment and must not require active cooling.
NOTE: PCIe cards rated above 25 W are not supported regardless of temperature rating.
NOTE: If a PCIe card is rated at a temperature that is not shown in the table, use interpolation to calculate the maximum
supported power.
NOTE: If a PCIe card is rated at a temperature greater than 85°C (185°F), it shall be treated as an 85°C (185°F) rated
card in determining the supported power.
Environmental conditions - Power module
Environmental requirements
Ingress protection rating
Temperature range:
Operating (with a maximum temperature gradation of
15°C per hour)
Non-operating
Relative humidity (maximum):
Operating (with maximum humidity gradation of 10%
per hour)
Non-operating ((with maximum humidity gradation of
10% per hour)
Altitude (maximum, unpressurized):
Maximum supported power
dissipation (W) for 85°C
(185°F) or above still air rated
PCIe cards
15
14
13
12
10
9
8
6
5
4
3
Maximum supported power
dissipation (W) for 70°C
(158°F) still air rated PCIe
cards
12
10
9
8
6
5
4
3
2
1
Not supported
IP50
•
-30°C to 70°C (-22°F to 158°F) when connected to a 24V
AC/DC power source.
•
0°C to 40°C (32°F to 104°F) when connected to a power
adapter or battery.
NOTE: The maximum operating temperature is derated
1°C/305m(1000ft) above sea level altitude.
-40°C to 85°C (-40°F to 185 °F)
10% to 90% (non-condensing)
5% to 95% (non-condensing)
Maximum supported power
dissipation (W) for 55°C
(131°F) still air rated PCIe
cards
8
6
5
4
3
2
1
Not supported
Not supported
Not supported
Not supported
73
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