Memory Specifications - Dell PowerEdge XE9640 Installation And Service Manual

Table 10. Expansion card slots supported on the system board
Expansion card riser
Riser 1A (R1A) for Intel
GPU configurations
Riser 4A (R4A) for Intel
GPU configurations
Riser 1B (R1B)
for NVIDIA GPU
configurations
Riser 4B (R4B)
for NVIDIA GPU
configurations

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
16 x DIMM sockets population
Table 12. Total System Memory Capacity Requirement for NVIDIA GPUs
DIMM 16 GB
capaci
ty
Total 80 GB GPU
memory
8 x 64 GB Not
DIMM supported
sockets
populat
ion
16 x 256 GB Not
DIMM supported
sockets
populat
ion
32 x 512 GB Support
DIMM
sockets
populat
ion
Table 13. Memory module sockets
Memory module sockets
●
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
24 Technical specifications
Processor
PCIe slot
Connection
1 Processor 1
2 Processor 1
3 Processor 2
4 Processor 2
1 Processor 1
2 Processor 1
3 Processor 2
4 Processor 2
32 GB
94 GB GPU Total
memor
y
Not 256 GB Not
supported
Not 512GB
supported
Support 1 TB
PCIe slot
height
Full height
Low Profile
Low Profile
Full height
Full height
Low Profile
Low Profile
Full height
64 GB
Total memory: 1 TB
80 GB GPU 94 GB GPU Total
Not
supported supported
Support Support
Support Support
4800 MT/s (1 DIMM Per Channel), 4400 MT/s (2 DIMMs Per
PCIe slot length PCIe slot width
Half length
Half length
Half length
Half length
Half length
Half length
Half length
Half length
64 GB
80 GB GPU 94 GB GPU
memor
y
512 TB Support
1 TB Support
2 TB Support
Speed
Channel)
x16
x16
x16
x16
x16
x16
x16
x16
Support
Support
Support