Dell EMC VxFlex Series - Drive Specifications; Memory Specifications; Storage Controller Specifications

Table 11 Additional expansion card riser configuration for R740xd system (continued)
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
Slot 3: x16 full-
height, half
length
Processor 1 Slot 6: x8 low
profile, half
length
Processor 1
Memory specifications
The following table shows the memory specifications for the R740xd system:
Table 12 Memory specifications
DIMM type DIMM rank DIMM capacity
Dual processors
Minimum RAM Maximum RAM
LRDIMM
(VxFlex Ready
Node only )
Octal Rank 128 GB 256 GB 3 TB
RDIMM Dual rank 16 GB 32 GB 384 GB
RDIMM Dual rank 32 GB 64 GB 768 GB
RDIMM Dual rank 64 GB 128 GB 1536 GB
NVDIMM-N
Single rank 16 GB RDIMM: 192 GB RDIMM: 384 GB
NVDIMM-N: 32 GB NVDIMM-N: 96 GB
Storage controller specifications
The R740xd system supports the following storage controller cards:
The H740p, and H730p internal and external cards are only supported on VxFlex Ready Node.
l
Internal storage controller cards: RAID Controller PERC H740P, H730p, HBA330, 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.
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External storage controller cards: PERC H740, H730p, and 12Gbps SAS HBA.
Drive specifications
The R740xd system supports SAS, SATA, or NVMe drives. Hard drives are only supported on the VxFlex Ready Node.
Technical specifications
26 R740xd Owner's Guide