Riser
configuration
and supported
risers
Slot description PCIe slots on
riser 1 (Height
and length)
Processor
connection
PCIe slots on riser
2 (Height and
length)
Processor
connection
PCIe slots on
riser 3 (Height
and length)
Processor
connection
Riser
configuration 5
(1B+2A+3A)
Six x8 and two
x16 slots
Slot 1: x8 full-
height, full length
Processor 1 Slot 4: x16 full-
height, full length
Processor 2 Slot 7: x8 full-
height, full length
Processor
2
Slot 2: x8 full-
height, full length
Processor 1 Slot 5: x8 full-
height, full length
Processor 2 Slot 8: x16 full-
height, full length
Processor
2
Slot 3: x8 full-
height, half length
Processor 1 Slot 6: x8 low
profile, half length
Processor 1
Riser
configuration 6
(1D+2A+3A)
Five x8 and
three x16 slots
Slot1: x16 full-
height, full length
Processor 1 Slot 4: x16 full-
height, full length
Processor 2 Slot 7: x8 full-
height, full length
Processor
2
Slot 2: x8 full-
height, full length
Processor 1 Slot 5: x8 full-
height, full length
Processor 2
Slot 8: x16 full-
height, full length
Processor
2
Slot 3: x8 full-
height, half length
Processor 1 Slot 6: x8 low
profile, half length
Processor 1
Riser
configuration 9
(1A+2D+3A)
Three x8 and
four x16 slots
Slot 1: x16 full-
height, full length
Processor 1 Slot 4: x16 full-
height, full length
Processor 2 Slot 7: x8 full-
height, full length
Processor
2
N/A
N/A
Slot 5: x8 full-
height, full length
Processor 2 Slot 8: x16 full-
height, full length
Processor
2
Slot 3: x16 full-
height, half length
Processor 1 Slot 6: x8 low
profile, half length
Processor 1
Memory specifications
The PowerEdge R740xd 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
Octa rank
128 GB
128 GB
1536 GB
256 GB
3072 GB
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.
Technical specifications
29
Содержание PowerEdge R740xd
Страница 9: ...Figure 1 Supported configurations PowerEdge R740xd system overview 9 ...
Страница 151: ...Figure 103 Installing GPU 2 and 3 Installing and removing system components 151 ...
Страница 208: ...Related link Removing the system cover Installing the system cover 208 Jumpers and connectors ...