Dell EMC PowerEdge T640 - Memory Specifications

Expansion bus specications
The PowerEdge T640 system supports PCI express (PCIe) generation 3 and 2 expansion cards. The following table describes the
supported expansion cards:
Table 15. Supported PCI express generation 3 expansion cards
PCIe Slot Processor Connection Height Length Link Width Slot Width
0 (Internal
PERC/HBA Slot)
Processor 1 Full Height Half Length x8 x8
1 (Gen3) Processor 1 Full Height Full Length x16 x16
2 (Gen3) Processor 1 Full Height Full Length x4 x8
3 (Gen3) Processor 1 Full Height Full Length x16 x16
4 (Gen3) Processor 2 Full Height Half Length x8 x8
5 (Gen3) Processor 2 Full Height Full Length x4 x8
6 (Gen3) Processor 2 Full Height Full Length x16 x16
7 (Gen3) Processor 2 Full Height Full Length x8 x8
8 (Gen3) Processor 2 Full Height Full Length x16 x16
NOTE: To use PCIe slots 4, 5, 6, 7, and 8 both the processors must be installed.
NOTE: The expansion card slots are not hot-swappable.
Memory specications
The T640 system supports up to twenty four 288-pins RDIMMS/LRDIMMS or twelve RDIMMS/LRDIMMS and twelve NVDIMM-Ns with
speeds of 2666 MT/s, 2400 MT/s and 2133 MT/s with support for memory optimized operation.
Table 16. Memory
specications
DIMM
type
DIMM rank DIMM capacity
Single processor Dual processors
Minimum RAM Maximum RAM Minimum RAM Maximum RAM
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
Dual rank 16 GB 16 GB 192 GB 32 GB 384 GB
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: A minimum of two processors are required for any conguration that supports NVDIMM-N DIMMs.
Storage controller specications
The T640 system supports:
30
Technical specications