Dell PowerEdge R740xd2 EMC Installation and Service Manual - Page 166

Memory specifications, Storage controller specifications

Page 166 highlights

Table 26. Expansion card slots supported on the system board Processor 1 PCie slots on the riser Card support Riser 2 (LOM riser) Right Butterfly On riser riser Planar PCIe slot-1 Unique to x8 Dell PCIe slot-2 Low profile- x16 half length PCIe slot-2 Full heighthalf length x16 x8 or x16 PCIe slot-3 Low profile- x8 half length PCIe slot-4 Low profilehalf length PCIe slot-5 Low profile- x4 NOTE: half length PCIe slot 5 has open backend and bigger PCIe card connection s can be inserted in this slot. PCIe slot-6 Low profilehalf length Processor 2 PCH Internal riser Left riser On Planar On Planar x16 x16 x4 NOTE: The expansion-card slots are not hot-swappable. Memory specifications The Dell EMC PowerEdge R740xd2 system supports 16 DDR4 registered DIMM (RDIMMs) slots. Supported memory bus frequencies are 1866 MT/s, 2133 MT/s, 2400 MT/s, and 2666 MT/s. Table 27. Memory specifications DIMM type DIMM rank DIMM capacity RDIMM Single rank Dual rank Dual rank 8 GB 16 GB 32 GB Single processor Minimum RAM Maximum RAM 8 GB 80 GB 16 GB 160 GB 32 GB 320 GB Dual processors Minimum RAM Maximum RAM 16 GB 128 GB 32 GB 256 GB 64 GB 512 GB Storage controller specifications The PowerEdge R740xd2 system supports the following controller cards. 166 Technical specifications

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Table 26. Expansion card slots supported on the system board
Processor 1
Processor 2
PCH
PCie slots on
the riser
Card
support
Riser 2
(LOM
riser)
Right
riser
Butterfly
riser
On
Planar
Internal
riser
Left riser
On Planar
On Planar
PCIe slot-1
Unique to
Dell
x8
PCIe slot-2
Low profile-
half length
x16
PCIe slot-2
Full height-
half length
x16
x8 or x16
PCIe slot-3
Low profile-
half length
x8
x16
PCIe slot-4
Low profile-
half length
x16
PCIe slot-5
NOTE:
PCIe slot 5
has open
backend
and bigger
PCIe card
connection
s can be
inserted in
this slot.
Low profile-
half length
x4
PCIe slot-6
Low profile-
half length
x4
NOTE:
The expansion-card slots are not hot-swappable.
Memory specifications
The Dell EMC PowerEdge R740xd2 system supports 16 DDR4 registered DIMM (RDIMMs) slots. Supported memory bus frequencies are
1866 MT/s, 2133 MT/s, 2400 MT/s, and 2666 MT/s.
Table 27. Memory specifications
DIMM type
DIMM rank
DIMM capacity
Single processor
Dual processors
Minimum RAM
Maximum RAM
Minimum RAM
Maximum RAM
RDIMM
Single rank
8 GB
8 GB
80 GB
16 GB
128 GB
Dual rank
16 GB
16 GB
160 GB
32 GB
256 GB
Dual rank
32 GB
32 GB
320 GB
64 GB
512 GB
Storage controller specifications
The PowerEdge R740xd2 system supports the following controller cards.
166
Technical specifications