Users Guide

Figure 1. Memory Layout for R740/R740XD
Table 4. PMem configurations
Number
of CPUs
in the
Server
PMem
Populat
ion
DRAM
Populat
ion
DRAM
Capacit
y (GB)
PMem
Capacit
y (GB)
OS
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
1 128 GB x
2
16 GB x
4
64 256 256 320 320 1:4 No Yes Yes
1 128 GB x
1
16 GB x
6
96 128 NA 224 224 1:1.3 No Yes No
1 128 GB x
2
16 GB x
6
96 256 NA 352 352 1:2.7 No Yes No
1 128 GB x
4
16 GB x
6
96 512 512 608 608 1:5.3 No Yes Yes
1 128 GB x
6
16 GB x
6
96 768 768 864 864 1:8 No Yes Yes
1 128 GB x
1
32 GB x
6
192 128 NA 320 320 1:0.7 No Yes No
1 128 GB x
2
32 GB x
6
192 256 NA 448 448 1:1.3 No Yes No
1 128 GB x
4
32 GB x
6
192 512 NA 704 704 1:2.7 No Yes No
1 128 GB x
6
32 GB x
6
192 768 768 960 960 1:4 No Yes Yes
1 128 GB x
1
64 GB x
6
384 128 NA 512 512 1:0.3 No Yes No
2 128 GB x
1
16 GB x
12
192 128 NA 320 160 1:0.7 No Yes No
2 128 GB x
2
16 GB x
12
192 256 NA 448 224 1:1.3 No Yes No
Hardware 9