Expansion Bus Specifications; Memory Specifications; Storage Controller Specifications; Hard Drive Specifications - Dell EMC PowerEdge R640 Installation And Service Manual

Expansion bus specifications

The PowerEdge R640 system supports PCI express (PCIe) generation 3 expansion cards, which are installed on the system, using
expansion card risers. This system supports 1A, 2A, 1B, and 2B expansion card risers.

Memory specifications

Table 18. Memory specifications
Memory module Architecture
sockets
Twenty four 288- 2667 MT/s DDR4 RDIMMs and
pins LRDIMMs with support for
memory optimized operation
NOTE: 8 GB RDIMMs and NVDIMM-N must not be mixed.
NOTE: Minimum of two CPUs are required for any configuration that supports NVDIMM-
N.

Storage controller specifications

The PowerEdge R640 system supports:
• Internal storage controller cards: PowerEdge RAID Controller (PERC) H330, PERC H730P, PERC H740P, HBA330, S140, and Boot
Optimized Server Storage (BOSS-S1).
• External storage controller cards: PERC H840 and 12Gbps SAS HBA.

Hard drive specifications

The PowerEdge R640 supports SAS, SATA, Nearline SAS hard drives or solid state drives and an optional optical drive.

Hard drives

The PowerEdge R640 system supports SAS, SATA, Nearline SAS hard drives or SSDs.
Memory capacity Minimum RAM
64 GB quad rank 32 GB (minimum
(LRDIMMs) LRDIMM size) with
single processor
8 GB single rank 8 GB with dual
(RDIMMs) processors (minimum
one memory module per
processor)
16 GB or 32 GB dual rank
(RDIMMs)
Not supported with
16 GB (NVDIMM-N)
single processor
208 GB with dual 576 GB with dual
processors processors
Dell EMC PowerEdge R640 Installation and Service Manual
Maximum RAM
LRDIMM: up to 786 GB
with single processor
LRDIMM: up to 1536 GB
with dual processors
RDIMM: up to 384 GB
with single processor
RDIMM: up to 786 GB
with dual processors
Not supported with
single processor
Technical specifications
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