Dell PowerEdge XE9640 - Memory Specifications

Table 10. Expansion card slots supported on the system board
Expansion card riser PCIe slot
Processor
Connection
PCIe slot
height
PCIe slot length PCIe slot width
Riser 1A (R1A) for Intel
GPU configurations
1 Processor 1 Full height Half length x16
2 Processor 1 Low Profile Half length x16
Riser 4A (R4A) for Intel
GPU configurations
3 Processor 2 Low Profile Half length x16
4 Processor 2 Full height Half length x16
Riser 1B (R1B)
for NVIDIA GPU
configurations
1 Processor 1 Full height Half length x16
2 Processor 1 Low Profile Half length x16
Riser 4B (R4B)
for NVIDIA GPU
configurations
3 Processor 2 Low Profile Half length x16
4 Processor 2 Full height Half length x16
Memory specifications
The PowerEdge XE9640 system supports the following memory specifications for optimized operation.
Table 11. Total System Memory Capacity Requirement for Intel GPUs
DIMM capacity 64 GB
16 x DIMM sockets population Total memory: 1 TB
Table 12. Total System Memory Capacity Requirement for NVIDIA GPUs
DIMM
capaci
ty
16 GB 32 GB 64 GB
Total
memory
80 GB GPU 94 GB GPU Total
memor
y
80 GB GPU 94 GB GPU Total
memor
y
80 GB GPU 94 GB GPU
8 x
DIMM
sockets
populat
ion
64 GB Not
supported
Not
supported
256 GB Not
supported
Not
supported
512 TB Support Support
16 x
DIMM
sockets
populat
ion
256 GB Not
supported
Not
supported
512GB Support Support 1 TB Support Support
32 x
DIMM
sockets
populat
ion
512 GB Support Support 1 TB Support Support 2 TB Support Support
Table 13. Memory module sockets
Memory module sockets Speed
● Only 16 DIMM slots (288-pin) are supported out of
32 DIMMs (with 8 DIMMs per processor) for XE9640
Intel GPU supported systems
● 8 DIMMS, 16 DIMMs and 32 DIMMs (288-pin) for
XE9640 NVIDIA GPU supported systems
4800 MT/s (1 DIMM Per Channel), 4400 MT/s (2 DIMMs Per
Channel)
24 Technical specifications