Dell PowerEdge MX840c EMC PowerEdge MX840c Installation and Service Manual - Page 84

Mode-specific guidelines, No. of, CPUs in, Server, DCPMM, Populat, Capacit, Operati, system, Memory

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Table 12. 4 socket DCPMM configurations No. of CPUs in the Server DCPMM DRAM Populat Populat ion ion DRAM Capacit y (GB) DCPMM Operati Total Total Ratio Require Capacit ng Memory Memory DRAM s an M y (GB) system (GB) per to or L Memory CPU Optane CPU in (GB) Memory Memory Mode (GB) Support Support ed in ed in App Memory Direct Mode Mode 4 128 GB x 16 GB x 384 2,048 2,048 2,432 608 1 : 5.3 No Yes Yes 16 24 4 128 GB x 16 GB x 384 3,072 3,072 3,456 864 1 : 8 No Yes Yes 24 24 4 128 GB x 32 GB x 768 2,048 N/A 2,816 704 1 : 2.7 No Yes No 16 24 4 128 GB x 32 GB x 768 3,072 3,072 3,840 960 1 : 4 No Yes Yes 24 24 4 128 GB x 64 GB x 1,536 3,072 N/A 4,608 1,152 1 : 2 L SKU Yes No 24 24 4 128 GB x 128 GB x 3,072 3,072 N/A 6,144 1,536 1 : 1 L SKU Yes No 24 24 4 512 GB x 32 GB x 768 8,192 8,192 8,960 2,240 1 : 10.7 L SKU Yes Yes 16 24 4 512 GB x 32 GB x 768 12,288 12,288 13,056 3,264 1 : 16 L SKU Yes Yes 24 24 4 512 GB x 64 GB x 1,536 8,192 8,192 9,728 2,432 1 : 5.3 L SKU Yes Yes 16 24 4 512 GB x 64 GB x 1,536 12,288 12,288 13,824 3,456 1 : 8 L SKU Yes Yes 24 24 4 512 GB x 128 GB x 3,072 12,288 12,288 15,360 3,840 1 : 4 L SKU Yes Yes 24 24 4 256 GB 16 GB x 384 4,096 4,096 4,480 1,120 1 : 10.7 L SKU Yes Yes x 16 24 4 256 GB 16 GB x 384 6,144 6,144 6,528 1,632 1 : 16 L SKU Yes Yes x 24 24 4 256 GB 32 GB x 768 4,096 4,096 4,864 1,216 1 : 5.3 L SKU Yes Yes x 16 24 4 256 GB 32 GB x 768 6,144 6,144 6,912 1,728 1 : 8 L SKU Yes Yes x 24 24 4 256 GB 64 GB x 1,536 4,096 N/A 5,632 1,408 1 : 2.7 L SKU Yes No x 16 24 4 256 GB 64 GB x 1,536 6,144 6,144 7,680 1,920 1 : 4 L SKU Yes Yes x 24 24 4 256 GB 128 GB x 3,072 6,144 N/A 9,216 2,304 1 : 2 L SKU Yes No x 24 24 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. 84 Installing and removing sled components

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Table 12. 4 socket DCPMM configurations
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
128 GB x
16
16 GB x
24
384
2,048
2,048
2,432
608
1 : 5.3
No
Yes
Yes
4
128 GB x
24
16 GB x
24
384
3,072
3,072
3,456
864
1 : 8
No
Yes
Yes
4
128 GB x
16
32 GB x
24
768
2,048
N/A
2,816
704
1 : 2.7
No
Yes
No
4
128 GB x
24
32 GB x
24
768
3,072
3,072
3,840
960
1 : 4
No
Yes
Yes
4
128 GB x
24
64 GB x
24
1,536
3,072
N/A
4,608
1,152
1 : 2
L SKU
Yes
No
4
128 GB x
24
128 GB x
24
3,072
3,072
N/A
6,144
1,536
1 : 1
L SKU
Yes
No
4
512 GB x
16
32 GB x
24
768
8,192
8,192
8,960
2,240
1 : 10.7
L SKU
Yes
Yes
4
512 GB x
24
32 GB x
24
768
12,288
12,288
13,056
3,264
1 : 16
L SKU
Yes
Yes
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.
Mode-specific guidelines
The configurations allowed depend on the memory mode selected in the System BIOS.
84
Installing and removing sled components