Memory Specifications - Dell EMC PowerEdge R740 Installation And Service Manual

Riser Slot description PCIe slots on
configuration
and supported
risers
Riser
Three x8 and
configuration 9
four x16 slots
(1A+2D+3A)

Memory specifications

Table 22. Memory specifications
Memory module DIMM
sockets type
Twenty four 288- LRDIMM
pins
LRDIMM
RDIMM
RDIMM
RDIMM
NVDIMM
-N
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 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).
The BOSS card is a simple RAID solution card designed specifically for booting a server's operating system. The card supports up to
two 6 Gbps M.2 SATA drives. The BOSS adapter card has a x8 connector using PCIe gen 2.0 x2 lanes, available only in the low-profile
and half-height form factor.
• External storage controller cards: PERC H840 and 12Gbps SAS HBA.
36 Technical specifications
Processor
riser 1 (Height connection
and length)
Slot 2: x8 full- Processor 1 Slot 5: x8 full-
height, full length
Slot 3: x8 full- Processor 1 Slot 6: x8 low
height, half length
Slot 1: x16 full- Processor 1 Slot 4: x16 full-
height, full length
N/A N/A
Slot 3: x16 full- Processor 1 Slot 6: x8 low
height, half length
DIMM
DIMM rank
capacity
Octa rank 128 GB
Quad rank 64 GB
Single rank 8 GB
Dual rank 16 GB
Dual rank 32 GB
Single rank 16 GB
PCIe slots on riser
2 (Height and
length)
height, full length
profile, half length
height, full length
Slot 5: x8 full-
height, full length
profile, half length
Single processor
Minimum Maximum RAM Minimum RAM
RAM
128 GB 1536 GB
64 GB 768 GB
8 GB 96 GB
16 GB 192 GB
32 GB 384 GB
Not supported Not supported
with single with single
processor processor
Processor PCIe slots on
connection riser 3 (Height
and length)
Processor 2
Slot 8: x16 full-
height, full length
Processor 1
Processor 2 Slot 7: x8 full-
height, full length
Processor 2 Slot 8: x16 full-
height, full length
Processor 1
Dual processors
Maximum RAM
256 GB 3072 GB
128 GB 1536 GB
16 GB 192 GB
32 GB 384 GB
64 GB 768 GB
RDIMM: 192 GB RDIMM: 384 GB
NVDIMM-N: 16 NVDIMM-N: 192
GB GB
Processor
connection
Processor
2
Processor
2
Processor
2