On the same server, it is recommended that the ratio of the DDR4 memory capacity to
the PMem capacity be 1:4 to 1:16.
5.4.2.5 Memory Installation Positions
A server supports a maximum of 16 PMem modules. The PMem modules must be used with
the DDR4 memory modules.
Observe the memory module installation rules when configuring memory modules. For
details, see Memory Configuration Assistant.
Figure 5-19 Memory slots