PMem installation guidelines
The following are the recommended guidelines for installing data center persistent memory module (PMem) memory modules:
For more information about the supported PMem configurations, see the
Dell EMC PMem User 's Guide
at
www.dell.com/support/home/products/server_int/server_int_poweredge.
Table 1. 2 socket PMem configurationsPMem configurations (2 socket)
No. of CPUs in the Server
|
PMem Population
|
DRAM Population
|
DRAM Capacity (GB)
|
PMem Capacity (GB)
|
Operating system Memory in Memory Mode (GB)
|
Total Memory (GB)
|
Total Memory per CPU (GB)
|
Ratio DRAM to Optane Memory
|
Requires an M or L CPU
|
Supported in App Direct Mode
|
Supported in Memory Mode
|
2
|
128 GB x 1
|
16 GB x 12
|
192
|
128
|
N/A
|
320
|
160
|
1 : 0.7
|
No
|
Yes
|
No
|
2
|
128 GB x 2
|
16 GB x 12
|
192
|
256
|
N/A
|
448
|
224
|
1 : 1.3
|
No
|
Yes
|
No
|
2
|
128 GB x 4
|
16 GB x 8
|
128
|
512
|
512
|
640
|
320
|
1 : 4
|
No
|
Yes
|
Yes
|
2
|
128 GB x 4
|
16 GB x 12
|
192
|
512
|
N/A
|
704
|
352
|
1 : 2.7
|
No
|
Yes
|
No
|
2
|
128 GB x 8
|
16 GB x 12
|
192
|
1,024
|
1,024
|
1,216
|
608
|
1 : 5.3
|
No
|
Yes
|
Yes
|
2
|
128 GB x 12
|
16 GB x 12
|
192
|
1,536
|
1,536
|
1,728
|
864
|
1 : 8
|
No
|
Yes
|
Yes
|
2
|
128 GB x 1
|
32 GB x 12
|
384
|
128
|
N/A
|
512
|
256
|
1 : 0.3
|
No
|
Yes
|
No
|
2
|
128 GB x 2
|
32 GB x 12
|
384
|
256
|
N/A
|
640
|
320
|
1 : 0.7
|
No
|
Yes
|
No
|
2
|
128 GB x 4
|
32 GB x 12
|
384
|
512
|
N/A
|
896
|
448
|
1 : 1.3
|
No
|
Yes
|
No
|
2
|
128 GB x 8
|
32 GB x 12
|
384
|
1,024
|
N/A
|
1,408
|
704
|
1 : 2.7
|
No
|
Yes
|
No
|
2
|
128 GB x 12
|
32 GB x 12
|
384
|
1,536
|
1,536
|
1,920
|
960
|
1 : 4
|
No
|
Yes
|
Yes
|
2
|
128 GB x 4
|
64 GB x 12
|
768
|
512
|
N/A
|
1,280
|
640
|
1 : 0.7
|
No
|
Yes
|
No
|
2
|
128 GB x 8
|
64 GB x 12
|
768
|
1,024
|
N/A
|
1,792
|
896
|
1 : 1.3
|
No
|
Yes
|
No
|
2
|
128 GB x 12
|
64 GB x 12
|
768
|
1,536
|
N/A
|
2,304
|
1,152
|
1 : 2
|
L SKU
|
Yes
|
No
|
2
|
128 GB x 12
|
128 GB x 12
|
1,536
|
1,536
|
N/A
|
3,072
|
1,536
|
1 : 1
|
L SKU
|
Yes
|
No
|
2
|
512 GB x 8
|
32 GB x 12
|
384
|
4,096
|
4,096
|
4,480
|
2,240
|
1 : 10.7
|
L SKU
|
Yes
|
Yes
|
2
|
512 GB x 12
|
32 GB x 12
|
384
|
6,144
|
6,144
|
6,528
|
3,264
|
1 : 16
|
L SKU
|
Yes
|
Yes
|
2
|
512 GB x 8
|
64 GB x 12
|
768
|
4,096
|
4,096
|
4,864
|
2,432
|
1 : 5.3
|
L SKU
|
Yes
|
Yes
|
2
|
512 GB x 12
|
64 GB x 12
|
768
|
6,144
|
6,144
|
6,912
|
3,456
|
1 : 8
|
L SKU
|
Yes
|
Yes
|
2
|
512 GB x 12
|
128 GB x 12
|
1,536
|
6,144
|
6,144
|
7,680
|
3,840
|
1 : 4
|
L SKU
|
Yes
|
Yes
|
2
|
256 GB x 8
|
16 GB x 12
|
192
|
2,048
|
2,048
|
2,240
|
1,120
|
1 : 10.7
|
L SKU
|
Yes
|
Yes
|
2
|
256 GB x 8
|
32 GB x 12
|
384
|
2,048
|
2,048
|
2,432
|
1,216
|
1 : 5.3
|
L SKU
|
Yes
|
Yes
|
2
|
256 GB x 12
|
32 GB x 12
|
384
|
3,072
|
3,072
|
3,456
|
1,728
|
1 : 8
|
L SKU
|
Yes
|
Yes
|
2
|
256 GB x 8
|
64 GB x 12
|
768
|
2,048
|
N/A
|
2,816
|
1,408
|
1 : 2.7
|
L SKU
|
Yes
|
No
|
2
|
256 GB x 12
|
64 GB x 12
|
768
|
3,072
|
3,072
|
3,840
|
1,920
|
1 : 4
|
L SKU
|
Yes
|
Yes
|
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
|
NOTE:There are limited configurations available for Dual Socket Servers with only one CPU populated.
NOTE: PMem is supported on systems with 1600W and 2400W PSU configuration.
NOTE:
- High Performance Fan is required with PMem.
- GPU and FGPA cards are not supported.
- Mid or rear storage is not supported.
- Front 12 x 3.5-inch drives are not supported.