Owners Manual

Table 23. 4 socket DCPMM configurations (continued)
No. of
CPUs in
the
Server
DCPMM
Populat
ion
DRAM
Populat
ion
DRAM
Capacit
y (GB)
DCPMM
Capacit
y (GB)
Operati
ng
system
Memory
in
Memory
Mode
(GB)
Total
Memory
(GB)
Total
Memory
per
CPU
(GB)
Ratio
DRAM
to
Optane
Memory
Require
s an M
or L
CPU
Support
ed in
App
Direct
Mode
Support
ed in
Memory
Mode
4 512 GB x
16
64 GB x
24
1,536 8,192 8,192 9,728 2,432 1 : 5.3 L SKU Yes Yes
4 512 GB x
24
64 GB x
24
1,536 12,288 12,288 13,824 3,456 1 : 8 L SKU Yes Yes
4 512 GB x
24
128 GB x
24
3,072 12,288 12,288 15,360 3,840 1 : 4 L SKU Yes Yes
4 256 GB
x 16
16 GB x
24
384 4,096 4,096 4,480 1,120 1 : 10.7 L SKU Yes Yes
4 256 GB
x 24
16 GB x
24
384 6,144 6,144 6,528 1,632 1 : 16 L SKU Yes Yes
4 256 GB
x 16
32 GB x
24
768 4,096 4,096 4,864 1,216 1 : 5.3 L SKU Yes Yes
4 256 GB
x 24
32 GB x
24
768 6,144 6,144 6,912 1,728 1 : 8 L SKU Yes Yes
4 256 GB
x 16
64 GB x
24
1,536 4,096 N/A 5,632 1,408 1 : 2.7 L SKU Yes No
4 256 GB
x 24
64 GB x
24
1,536 6,144 6,144 7,680 1,920 1 : 4 L SKU Yes Yes
4 256 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.
NOTE: DCPMM is supported on systems with 1600W and 2400W PSU configuration.
NOTE:
● High Performance Fan is required with DCPMM.
● GPU and FGPA cards are not supported.
● Mid or rear storage is not supported.
● Front 12 x 3.5-inch drives are not supported.
Mode-specific guidelines
The configurations allowed depend on the memory mode selected in the System BIOS.
Table 24. 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.
NOTE: DCPMM supports only Optimizer mode.
Mirror Mode The Mirror Mode if enabled, the system maintains two
identical copies of data in memory, and the total available
84 Installing and removing system components