Dell PowerEdge T640 EMC PowerEdge T640 Installation and Service Manual - Page 93

Cooling fans, Cooling fan specifications

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Figure 50. Installing the air shroud Next steps 1. Follow the procedure listed in After working inside your system on page 66. Cooling fans Cooling fan specifications The cooling fans are integrated into the system to dissipate the heat generated by the functioning of the system. These fans provide cooling for the processors, expansion cards, and memory modules. Your system supports a total of eight fans, including six hot-swappable fans and two external fans. Two hot-swappable fans are mounted in rear side of the air shroud. The other four hot-swappable (middle) fans are mounted in the fan assembly that is located in the chassis between the hard drive bay and the processors. The two external fans are mounted on the outside of the chassis for GPU configurations. There are two additional fans integrated in the power supplies to cool the power supplies and provide additional cooling for the whole system. The below listed configurations, features, and the PCIe expansion cards are supported only with the four hot-swappable (middle) fans installed: • Fan redundancy • Fresh air condition • NVMe/PCIe SSD • 3.5 inch x 18 hard drives chassis • Mellanox CX4 DP 100 Gb QSFP NIC (0272F) • Mellanox CX4 DP 100 Gb NIC (068F2) • Mellanox CX4 SP 100 Gb NIC (6W1HY) • Mellanox DP 40 Gb QSFP NIC (C8Y42) • Intel QP 10 Gb Base-T NIC (K5V44) • 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: Installing and removing system components 93

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Figure 50. Installing the air shroud
Next steps
1.
Follow the procedure listed in
After working inside your system
on page 66.
Cooling fans
Cooling fan specifications
The cooling fans are integrated into the system to dissipate the heat generated by the functioning of the system. These fans provide
cooling for the processors, expansion cards, and memory modules.
Your system supports a total of eight fans, including six hot-swappable fans and two external fans. Two hot-swappable fans are mounted
in rear side of the air shroud. The other four hot-swappable (middle) fans are mounted in the fan assembly that is located in the chassis
between the hard drive bay and the processors. The two external fans are mounted on the outside of the chassis for GPU configurations.
There are two additional fans integrated in the power supplies to cool the power supplies and provide additional cooling for the whole
system.
The below listed configurations, features, and the PCIe expansion cards are supported only with the four hot-swappable (middle) fans
installed:
•
Fan redundancy
•
Fresh air condition
•
NVMe/PCIe SSD
•
3.5 inch x 18 hard drives chassis
•
Mellanox CX4 DP 100 Gb QSFP NIC (0272F)
•
Mellanox CX4 DP 100 Gb NIC (068F2)
•
Mellanox CX4 SP 100 Gb NIC (6W1HY)
•
Mellanox DP 40 Gb QSFP NIC (C8Y42)
•
Intel QP 10 Gb Base-T NIC (K5V44)
•
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:
Installing and removing system components
93