Dell PowerEdge R740xd2 EMC Technical Specifications - Page 13

Standard operating temperature, Thermal restrictions

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Table 14. 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. Table 15. Maximum altitude specifications Maximum altitude Operating Storage Specifications 3048 m (10,000 ft) 12,000 m (39,370 ft) Table 16. Operating temperature derating specifications Operating temperature derating Specifications Up to 30°C (86°F) Maximum temperature is reduced by 1°C/300 m (1°F/547 ft), above 950 m (3,117 ft). 30-40°C (86-104°F) Maximum temperature is reduced by 1°C/175 m (1°F/319 ft), above 950 m (3,117 ft). 40-45°C (104-113°F) Maximum temperature is reduced by 1°C/125 m (1°F/228 ft), above 950 m (3,117 ft). Standard operating temperature Table 17. Standard operating temperature specifications Standard operating temperature Specifications Continuous operation (for altitude less than 950 m or 3117 10°C to 30°C (50°F to 86°F) with no direct sunlight on the equipment. ft) Thermal restrictions • System must operate at temperature below 30°C. • All fans installed in the system must be from the same manufacturer. • Fresh air condition is not supported. • 140W processors are not supported in rear drive configuration. • Non Dell qualified or certified processors are not supported. • LRDIMM is not supported. • 10 GbE / 25 GbE OCPs require PCIe shroud with rear drive configuration if there is no PCIe card installed. • Butterfly without riser configuration cannot support 10GbE / 25GbE OCP because PCIe shroud cannot be installed. • Drive bays should not be in service position for more than 5 minutes because of thermal concerns. When the drive bay is open for more than five minutes, the cooling fans spin at a higher speed to provide extra cooling to the system. Thus system health status changes from the normal to critical state, and system event The BP1 drive bay is kept open for an extended period of time is logged. • GPGPU card is not supported. • Non Dell certified peripheral cards are not supported. • Expansion card and riser installation must follow specific Expansion card installation guidelines. • Mellanox CX-5 dual port 100G - QSPF PCIe adapter cable is restricted to Dell NW QSPF28 Direct attach cables and Finisar 100G 85C optic cables. Non Dell certified cables are not supported. Technical specifications 13

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Table 14. 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.
Table 15. Maximum altitude specifications
Maximum altitude
Specifications
Operating
3048 m (10,000 ft)
Storage
12,000 m (39,370 ft)
Table 16. Operating temperature derating specifications
Operating temperature derating
Specifications
Up to 30°C (86°F)
Maximum temperature is reduced by 1°C/300 m (1°F/547 ft), above 950 m
(3,117 ft).
30–40°C (86–104°F)
Maximum temperature is reduced by 1°C/175 m (1°F/319 ft), above 950 m (3,117
ft).
40–45°C (104–113°F)
Maximum temperature is reduced by 1°C/125 m (1°F/228 ft), above 950 m
(3,117 ft).
Standard operating temperature
Table 17. Standard operating temperature specifications
Standard operating temperature
Specifications
Continuous operation (for altitude less than 950 m or 3117
ft)
10°C to 30°C (50°F to 86°F) with no direct sunlight on the equipment.
Thermal restrictions
•
System must operate at temperature below 30°C.
•
All fans installed in the system must be from the same manufacturer.
•
Fresh air condition is not supported.
•
140W processors are not supported in rear drive configuration.
•
Non Dell qualified or certified processors are not supported.
•
LRDIMM is not supported.
•
10 GbE / 25 GbE OCPs require PCIe shroud with rear drive configuration if there is no PCIe card installed.
•
Butterfly without riser configuration cannot support 10GbE / 25GbE OCP because PCIe shroud cannot be installed.
•
Drive bays should not be in service position for more than 5 minutes because of thermal concerns. When the drive bay is open for
more than five minutes, the cooling fans spin at a higher speed to provide extra cooling to the system. Thus system health status
changes from the normal to critical state, and system event
The BP1 drive bay is kept open for an extended
period of time
is logged.
•
GPGPU card is not supported.
•
Non Dell certified peripheral cards are not supported.
•
Expansion card and riser installation must follow specific Expansion card installation guidelines.
•
Mellanox CX-5 dual port 100G - QSPF PCIe adapter cable is restricted to Dell NW QSPF28 Direct attach cables and Finisar 100G 85C
optic cables. Non Dell certified cables are not supported.
Technical specifications
13