Owners Manual

Table 8. 2 socket DCPMM configurations
No. of
CPUs
in the
Serve
r
DCPM
M
Popul
ation
DRAM
Popul
ation
DRAM
Capac
ity
(GB)
DCPM
M
Capac
ity
(GB)
Operating
system
Memory in
Memory
Mode
(GB)
Total
Memo
ry
(GB)
Total
Memo
ry per
CPU
(GB)
Ratio
DRAM to
Optane
Memory
Requires
an M or L
CPU
Supported
in App
Direct
Mode
Supported
in Memory
Mode
2 256
GB x
12
128 GB
x 12
1,536 3,072 N/A 4,608 2,304 1 : 2 L SKU Yes No
Table 9. 4 socket DCPMM configurations
N
o
. of CPUs in the Server
DCPMM
Population
DRAM
Population
DRAM
Capaci
ty
(GB)
DCPM
M
Capaci
ty
(GB)
Operat
ing
system
Memor
y in
Memor
y Mode
(GB)
Total
Memor
y (GB)
Total
Memor
y per
CPU
(GB)
Ratio
DRAM
to
Optane
Memor
y
Requir
es an
M or L
CPU
Suppor
ted in
App
Direct
Mode
Suppor
ted in
Memor
y Mode
4128 GB x 16 16 GB x 24 384 2,048 2,048 2,432 608 1 : 5.3 No Yes Yes
4128 GB x 24 16 GB x 24 384 3,072 3,072 3,456 864 1 : 8 No Yes Yes
4128 GB x 16 32 GB x 24 768 2,048 N/A 2,816 704 1 : 2.7 No Yes No
4128 GB x 24 32 GB x 24 768 3,072 3,072 3,840 960 1 : 4 No Yes Yes
4128 GB x 24 64 GB x 24 1,536 3,072 N/A 4,608 1,152 1 : 2 L SKU Yes No
4128 GB x 24 128 GB x 24 3,072 3,072 N/A 6,144 1,536 1 : 1 L SKU Yes No
4512 GB x 16 32 GB x 24 768 8,192 8,192 8,960 2,240 1 : 10.7 L SKU Yes Yes
4512 GB x 24 32 GB x 24 768 12,288 12,288 13,056 3,264 1 : 16 L SKU Yes Yes
4512 GB x 16 64 GB x 24 1,536 8,192 8,192 9,728 2,432 1 : 5.3 L SKU Yes Yes
4512 GB x 24 64 GB x 24 1,536 12,288 12,288 13,824 3,456 1 : 8 L SKU Yes Yes
4512 GB x 24 128 GB x 24 3,072 12,288 12,288 15,360 3,840 1 : 4 L SKU Yes Yes
4256 GB x 16 16 GB x 24 384 4,096 4,096 4,480 1,120 1 : 10.7 L SKU Yes Yes
4256 GB x 24 16 GB x 24 384 6,144 6,144 6,528 1,632 1 : 16 L SKU Yes Yes
4256 GB x 16 32 GB x 24 768 4,096 4,096 4,864 1,216 1 : 5.3 L SKU Yes Yes
4256 GB x 24 32 GB x 24 768 6,144 6,144 6,912 1,728 1 : 8 L SKU Yes Yes
4256 GB x 16 64 GB x 24 1,536 4,096 N/A 5,632 1,408 1 : 2.7 L SKU Yes No
4256 GB x 24 64 GB x 24 1,536 6,144 6,144 7,680 1,920 1 : 4 L SKU Yes Yes
4256 GB x 24 128 GB x 24 3,072 6,144 N/A 9,216 2,304 1 : 2 L SKU Yes No
NOTE: There are limited configurations available for Dual Socket Servers with only one CPU populated.
Mode-specific guidelines
The configurations allowed depend on the memory mode selected in the System BIOS.
Table 10. Memory operating modes
Memory Operating Mode Description
Optimizer Mode The Optimizer Mode if enabled, the DRAM controllers operate independently in the
64-bit mode and provide optimized memory performance.
Installing and removing sled components 59