Dell PowerEdge T640 EMC PowerEdge T640 Installation and Service Manual - Page 27

Cooling fan matrix, Removing a middle or rear cooling fan

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• Solarflare Sunspot DP 10Gb NIC (NPHCM) • Solarflare Nova DP 10Gb NIC (WY7T5) • Qlogic DP 10Gb V1 NIC (VCXN5) Listed below are the restrictions for fan redundancy: • GPGPU configurations are not supported at 35deg. C of ambient or above. • Mellanox 100G NICs are not supported. For information on the restriction for fresh air condition, see the Expanded operating temperature restrictions topic in the Technical Specification section. Cooling fan matrix Table 11. Cooling fan matrix Chassis FAN1, FAN2 (Standard [STD]) FAN3, FAN4, FAN5, FAN6 (Standard [STD]/High performance [HPR]) 3.5 inch x 8 Yes - 3.5 inch x 18 Yes Yes (STD) 2.5 inch x 16 Yes - 2.5 inch x 32 Yes - 2.5 inch x 16 + NVMe Yes Yes (STD) Fan redundancy, FA and Yes high cooling tier PCIe card Yes (STD) GPGPU card Yes Yes (HPR) FAN_EXT_R, FAN_EXT_L - Yes Fan configuration Base configuration Rich configuration Base configuration Base configuration Rich configuration Rich configuration GPU configuration Removing a middle or rear cooling fan The procedure for removing a standard and a high performance fans is identical. Prerequisites NOTE: Opening or removing the system cover when the system is on may expose you to a risk of electric shock. Exercise utmost care while removing or installing cooling fans. CAUTION: The cooling fans are hot swappable. To maintain proper cooling while the system is on, replace only one fan at a time. 1. Follow the safety guidelines listed in Safety instructions on page 65. 2. Follow the procedure listed in Before working inside your system on page 66. Steps Press the release tab and lift the cooling fan out of the cooling fan assembly. Technical specifications 27

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•
Solarflare Sunspot DP 10Gb NIC (NPHCM)
•
Solarflare Nova DP 10Gb NIC (WY7T5)
•
Qlogic DP 10Gb V1 NIC (VCXN5)
Listed below are the restrictions for fan redundancy:
•
GPGPU configurations are not supported at 35deg. C of ambient or above.
•
Mellanox 100G NICs are not supported.
For information on the restriction for fresh air condition, see the
Expanded operating temperature restrictions
topic in the Technical
Specification section.
Cooling fan matrix
Table 11. Cooling fan matrix
Chassis
FAN1, FAN2 (Standard
[STD])
FAN3, FAN4, FAN5,
FAN6 (Standard
[STD]/High
performance [HPR])
FAN_EXT_R,
FAN_EXT_L
Fan configuration
3.5 inch x 8
Yes
-
-
Base configuration
3.5 inch x 18
Yes
Yes (STD)
-
Rich configuration
2.5 inch x 16
Yes
-
-
Base configuration
2.5 inch x 32
Yes
-
-
Base configuration
2.5 inch x 16 + NVMe
Yes
Yes (STD)
-
Rich configuration
Fan redundancy, FA and
high cooling tier PCIe
card
Yes
Yes (STD)
-
Rich configuration
GPGPU card
Yes
Yes (HPR)
Yes
GPU configuration
Removing a middle or rear cooling fan
The procedure for removing a standard and a high performance fans is identical.
Prerequisites
NOTE:
Opening or removing the system cover when the system is on may expose you to a risk of electric shock.
Exercise utmost care while removing or installing cooling fans.
CAUTION:
The cooling fans are hot swappable. To maintain proper cooling while the system is on, replace only one fan
at a time.
1.
Follow the safety guidelines listed in
Safety instructions
on page 65.
2.
Follow the procedure listed in
Before working inside your system
on page 66.
Steps
Press the release tab and lift the cooling fan out of the cooling fan assembly.
Technical specifications
27