Dell PowerEdge R640 EMC PowerEdge R640 Installation and Service Manual - Page 41

Ambient temperature limitations, Particulate and gaseous contamination specifications

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Table 35. GPU thermal restrictions configuration (continued) TDP(Watts) PowerEdge R640 2.5 inch hard drives x 10 x2GPU in slot 1,3 PowerEdge R640 (2.5 inch hard drives x 8 x3GPU) Thermal restriction at 30oC Thermal restriction at 35oC Thermal restriction at 30oC Thermal restriction at 35oC 165 W Gold 6146 150 W 6144 and 6244 150 W Gold 6240Y performance heat sink required performance heat sink required 70 to 165 W High performance fans and standard heat sink required Not supported High performance fans and standard heat sink required Not supported NOTE: PowerEdge R640 does not support x3 GPU T4 (PPGXG) in 2.5 inch x10 hard drive chassis. Ambient temperature limitations The following table lists configurations that require ambient temperature less than 35°C. NOTE: The ambient temperature limit must be adhered to ensure proper cooling and to avoid excess processor throttling, which may impact system performance. Table 36. Configuration based ambient temperature restrictions System Front Backplane Processor Thermal Processor Heat Design Power Sink PowerEdge R640 10 x 2.5 inch SAS/ SATA hard drives 200 W, 205 W 2 pipe 1U high performance 8 x 2.5 inch SAS/ SATA hard drives 4 x 3.5 inch SAS/ SATA hard drives Fan Type High performance fan Ambient Restriction 30°C 10 x 2.5 inch SAS/ SATA and NVMe drives(4, 8, or 10) 165 W 200 W, 205 W 2 pipe 1U standard 2 pipe 1U high performance High performance fan 30°C Particulate and gaseous contamination specifications The following table defines the limitations that help avoid any equipment damage or failure from particulate and gaseous contamination. If the levels of particulate or gaseous pollution exceed the specified limitations and result in equipment damage or failure, you may need to rectify the environmental conditions. Remediation of environmental conditions is the responsibility of the customer. Table 37. Particulate contamination specifications Particulate contamination Specifications Air filtration Data center air filtration as defined by ISO Class 8 per ISO 14644-1 with a 95% upper confidence limit. NOTE: This condition applies to data center environments only. Air filtration requirements do not apply to IT equipment designed to be used outside a data center, in environments such as an office or factory floor. NOTE: Air entering the data center must have the MERV11 or MERV13 filtration. Technical specifications 41

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Table 35. GPU thermal restrictions configuration (continued)
TDP(Watts)
PowerEdge R640 2.5 inch hard drives x 10 x2GPU
in slot 1,3
PowerEdge R640 (2.5 inch hard drives x 8
x3GPU)
Thermal restriction
at 30
o
C
Thermal restriction at 35
o
C
Thermal restriction
at 30
o
C
Thermal restriction at
35
o
C
165 W Gold 6146
150 W 6144 and 6244
150 W Gold 6240Y
performance heat sink
required
performance heat sink
required
70 to 165 W
High performance
fans and standard
heat sink required
Not supported
High performance
fans and standard
heat sink required
Not supported
NOTE:
PowerEdge R640 does not support x3 GPU T4 (PPGXG) in 2.5 inch x10 hard drive chassis.
Ambient temperature limitations
The following table lists configurations that require ambient temperature less than 35°C.
NOTE:
The ambient temperature limit must be adhered to ensure proper cooling and to avoid excess processor
throttling, which may impact system performance.
Table 36. Configuration based ambient temperature restrictions
System
Front Backplane
Processor Thermal
Design Power
Processor Heat
Sink
Fan Type
Ambient
Restriction
PowerEdge R640
10 x 2.5 inch SAS/
SATA hard drives
8 x 2.5 inch SAS/
SATA hard drives
4 x 3.5 inch SAS/
SATA hard drives
200 W, 205 W
2 pipe 1U high
performance
High performance
fan
30°C
10 x 2.5 inch SAS/
SATA and NVMe
drives(4, 8, or 10)
165 W
2 pipe 1U standard
High performance
fan
30°C
200 W, 205 W
2 pipe 1U high
performance
Particulate and gaseous contamination specifications
The following table defines the limitations that help avoid any equipment damage or failure from particulate and gaseous contamination. If
the levels of particulate or gaseous pollution exceed the specified limitations and result in equipment damage or failure, you may need to
rectify the environmental conditions. Remediation of environmental conditions is the responsibility of the customer.
Table 37. Particulate contamination specifications
Particulate contamination
Specifications
Air filtration
Data center air filtration as defined by ISO Class 8 per ISO 14644-1 with a
95% upper confidence limit.
NOTE:
This condition applies to data center environments only.
Air filtration requirements do not apply to IT equipment designed
to be used outside a data center, in environments such as an
office or factory floor.
NOTE:
Air entering the data center must have the MERV11 or
MERV13 filtration.
Technical specifications
41