Dell EMC PowerEdge R740 - Memory Specifications

Riser
conguration
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
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
prole, half length
Processor 1
Riser
conguration 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
prole, half length
Processor 1
Memory specications
Table 22. Memory specications
Memory module
sockets
DIMM
type
DIMM rank
DIMM
capacity
Single processor Dual processors
Minimum
RAM
Maximum RAM Minimum RAM Maximum RAM
Twenty four 288-
pins
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: 64 GB LRDIMMs and 128 GB LRDIMMs must not be mixed.
NOTE: Minimum of two CPUs are required for any congurations that support NVDIMM-N.
Storage controller specications
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 specically 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-prole
and half-height form factor.
• External storage controller cards: PERC H840 and 12Gbps SAS HBA.
36
Technical specications