Owners Manual

Memory specifications
Table 4. Memory specifications
DIMM
type
DIMM rank
DIMM
capacity
Single processor Dual processors
Minimum RAM Maximum RAM Minimum RAM Maximum RAM
LRDIMM
Octal rank 128 GB 128 GB 1536 GB 256 GB 3072 GB
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
Dual rank
16 GB 16 GB 192 GB 32 GB 384 GB
32 GB 32 GB 384 GB 64 GB 768 GB
64 GB 64 GB 768 GB 128 GB 1536 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
DCPMM
NA 128 GB
RDIMM: 64 GB RDIMM: 384 GB RDIMM: 128 GB LRDIMM: 1536 GB
DCPMM: 128
GB
DCPMM: 128 GB DCPMM: 1536 GB DCPMM: 1536 GB
NA 256 GB
NA NA RDIMM: 192 GB LRDIMM: 1536 GB
NA NA DCPMM: 2048 GB DCPMM: 3072 GB
NA 512 GB
NA NA RDIMM: 384 GB RDIMM: 1536 GB
NA NA DCPMM: 4096 GB DCPMM: 6144 GB
NOTE: 8 GB RDIMMs and NVDIMM-N must not be mixed.
NOTE: 64 GB LRDIMMs and 128 GB LRDIMMs must not be mixed.
NOTE: Minimum of two processors are required for any configurations that support NVDIMM-N.
NOTE: DCPMM can be mixed with RDIMMs and LRDIMMs.
NOTE: Mix of Intel DCPMM operating modes (App Direct, Memory Mode) is not supported within socket or across sockets.
Hard drives
The Dell EMC PowerEdge MX740c system supports upto six 2.5-inch, hot-swappable SAS/SATA HDDs, SSDs, or PCIe NVMe
drives.
The drives are supplied in a hot-swappable drive carriers and these drives connect to the system board or RAID controller
through the backplane.
NOTE: A dual-processor configuration is required to support NVMe drives.
Mezzanine and Mini Mezzanine slots specifications
The Dell EMC PowerEdge MX740c supports:
● One x16 PCIe Gen3 for Mini Mezzanine cards - connected to Processor 2.
● Two x16 PCIe Gen3 for Mezzanine cards - Mezzanine A1 is connected to Processor 1, Mezzanine B1 is connected to
Processor 2.
6
Technical specifications