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Memory specifications
The PowerEdge R740 system supports up to twenty four 288-pins RDIMMS, LRDIMMS and NVDIMM-Ns with speeds of 2666 MT/s,
2400 MT/s and 2133 MT/s with support for memory optimized operation.
Table 19. Memory specifications
DIMM type DIMM rank
DIMM
capacity
Single processor
Dual processors
Minimum RAM
Maximum RAM
Minimum RAM
Maximum RAM
LRDIMM
Quad rank
64 GB
64 GB
768 GB
128 GB
1536 GB
RDIMM
Single rank
8 GB
8 GB
96 GB
16 GB
192 GB
RDIMM
Dual rank
16 GB
16 GB
192 GB
32 GB
384 GB
RDIMM
Dual rank
32 GB
32 GB
384 GB
64 GB
768 GB
NVDIMM-N Single rank
16 GB
Not supported
with single
processor
Not supported
with single
processor
RDIMM: 192 GB
RDIMM: 384 GB
NVDIMM-N: 16 GB
NVDIMM-N: 192 GB
NOTE:
8 GB RDIMMs and NVDIMM-N must not be mixed.
NOTE:
Minimum of two CPUs are required for any configurations that support NVDIMM-
N.
Storage controller specifications
The PowerEdge R740 system supports:
•
Internal storage controller cards: PowerEdge RAID Controller (PERC) H330, PERC H730P, PERC H740P, HBA330, S140, and Boot
Optimized Server Storage (BOSS-S1).
•
External storage controller cards: PERC H840 and 12Gbps SAS HBA.
Drive specifications
Hard drives
The PowerEdge R740 system supports SAS, SATA, Nearline SAS hard drives or SSDs.
Table 20. Supported hard drive options for the PowerEdge R740 system
Eight drives system
Up to eight 3.5 inch or 2.5 inch (SAS, SATA or Nearline SAS) front
accessible drives in slots 0 through 7
Sixteen drives system
Up to sixteen 2.5 inch (SAS, SATA or Nearline SAS) front accessible drives
in slots 0 through 15
CAUTION:
Mixing of 2.5 inch 10K or 15K SAS hard drives with 2.5 inch 7.2K SATA or Nearline SAS hard drives in the same
backplane is not supported.
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Dell EMC PowerEdge R740 Installation and Service Manual
Technical specifications