Dell EMC PowerEdge R740xd2 - Memory Specifications; Storage Controller Specifications; Drives

Memory specications
The Dell EMC PowerEdge R740xd2 system supports 16 DDR4 registered DIMM (RDIMMs) slots. Supported memory bus frequencies are
1866 MT/s, 2133 MT/s, 2400 MT/s, and 2666 MT/s.
Table 25. Memory specications
DIMM type DIMM rank DIMM capacity
Single processor Dual processors
Minimum RAM Maximum RAM Minimum RAM Maximum RAM
RDIMM
Single rank 8 GB 8 GB 80 GB 16 GB 128 GB
Dual rank 16 GB 16 GB 160 GB 32 GB 256 GB
Dual rank 32 GB 32 GB 320 GB 64 GB 512 GB
Storage controller specications
The PowerEdge R740xd2 system supports the following controller cards.
Table 26. Dell EMC PowerEdge R740xd2 system controller cards
Internal controllers External controllers
• PERC H730P
• PERC H330
• HBA330
• S140
• 12 Gbps SAS HBA
• PERC H840
Drives
The Dell EMC PowerEdge R740xd2 system supports:
Table 27. Drive
specication
Chassis options Congurations
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.
Twenty-four front + two rear 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 two 3.5-inch SAS/SATA rear accessible drives.
NOTE: For single PERC conguration, it is slot 24 to slot 25. For dual PERC
conguration including S140 software RAID, it is slot 0 to slot 1.
NOTE: 2.5-inch drives in 3.5-inch carriers are supported for SAS, and SATA SSD drives.
180 Technical specications