Memory specifications
Table 19. Memory specifications
Memory module sockets
Memory capacity
Minimum RAM
Maximum RAM
Sixteen 288-pin
8 GB, 16 GB, 32 GB or 64 GB
DDR4 single rank, dual rank, or
quad rank (RDIMMs)
8 GB
•
Up to 6.14 TB (LRDIMM)
•
Up to 1.53 TB (RDIMM)
The table below lists the supported DIMMs for the PowerEdge MX840c sled.
Table 20. Supported DIMMs
DIMM Type
DIMM speed
(MT/s)
DIMM capacity
(GB)
Ranks per DIMM
Data width
DIMM voltage
RDIMM
2666
8
1
x8
1.2
RDIMM
2666
16
2
x8
1.2
RDIMM
2666
32
2
x4
1.2
LRDIMM
2666
64
4
x4
1.2
NVDIMM
2666
16
1
x4
1.2
The performance details of the PowerEdge MX840c is based on the quantity and type of DIMMs per memory channel.
Table 21. DIMM performance details
DIMM type
DIMM ranking
Capacity
DIMM rated
voltage, speed
1 DIMM per channel
(DPC)
2 DIMM per channel
(DPC)
RDIMM
1R/2R
8 GB, 16 GB, 32 GB
DDR4 (1.2 V), 2666
2666
2666
LRDIMM
4R/8R
64 GB
DDR4 (1.2 V), 2666
2666
2666
Drives
Table 22. Supported drive options for the PowerEdge MX840c sled
Drives
Specifications
Eight drives
Up to eight 2.5 inch (SAS, SATA, Nearline SAS, or NVMe) front
accessible drives in slots 0 to 7.
Dual processor sled
NVMe drives are supported in the slots 4 to 7.
NOTE:
NVMe is not supported in the slots 0 to 3.
Quad processor sled
NVMe drives are supported in the slots 0 to 7.
Six drives
Up to six 2.5 inch (SAS, SATA, Nearline SAS, or NVMe) front
accessible drives in slots 0 to 5.
Dual processor sled
NVMe drives are supported in the slots 2 to 5.
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Technical specifications