Service Manual

Table 18. Memory specifications
DIMM type DIMM rank DIMM capacity
Dual processors
Minimum RAM Maximum RAM
RDIMM
Dual rank 16 GB 64 GB 256 GB
Dual rank 32 GB 128 GB 512 GB
Dual rank 64 GB 256 GB 1024 GB
Storage controller specifications
The XC740xd2 system supports the following controller cards.
Table 19. Dell EMC XC740xd2 system controller cards
Internal controllers
HBA330
Drives
The Dell EMC XC740xd2 system supports:
Table 20. Drive specification
Chassis options Configurations
Twenty-four drive chassis Up to twenty-four 3.5-inch (SATA or Nearline SAS drives) front accessible drives in
slots 0 through 23 and
Up to eight 2.5-inch (SAS, SATA SSDs) front accessible drives can be installed from
slots 16 through 23.
NOTE: 2.5-inch drives in 3.5-inch carriers are supported for SAS, and SATA SSD drives.
Ports and connectors specifications
USB ports specifications
Table 21.
Dell EMC XC740xd2system USB specifications
Front Rear Internal
USB port type No. of ports
USB port
type
No. of ports USB port type No. of ports
USB 2.0-compliant port One USB 3.0-
compliant
ports
Two Internal USB 3.0-
compliant port
One
Micro USB 2.0-compliant port for iDRAC Direct
NOTE: The micro USB 2.0 compliant
port can only be used as an iDRAC Direct
or a management port.
One
NIC ports specifications
The Dell EMC XC740xd2 system supports up to two Network Interface Controller (NIC) ports on the back panel, which have two 1 Gbps
configuration.
NOTE:
You can install up to four PCIe add-on NIC cards.
Technical specifications 143