HPE ProLiant DL380 Generation9 (Gen9)
Population
guidelines
General Memory Population Rules and Guidelines:
White DIMM slots denote the first slot of a channel. For 1 DPC (DIMM per channel) populate white slots
only.
A minimum of one DIMM is required per server.
Install DIMMs only if the corresponding processor is installed.
If only one processor is installed in a two processor system, only half of the DIMM slots are available.
To maximize performance, it is recommended to balance the total memory capacity between all
installed processors and to load the channels similarly whenever possible.
When two processors are installed, balance the DIMMs across the two processors.
Populate DIMMs from heaviest load (quad-rank) to lightest load (single-rank) within a channel.
Heaviest load (DIMM with most ranks) within a channel goes furthest from the processor.
Do not mix RDIMMs or LRDIMMs.
LRDIMMs are supported up to 3 DIMMs per channel.
DIMMs of different speeds may be mixed in any order; the server will select a common optimal speed.
The maximum memory speed is a function of the memory type, memory configuration, and processor
model.
The maximum memory capacity is a function of the memory type and number of installed processors.
HPE memory from previous generation servers is not compatible with the DL380 Gen9 Server. Certain
HPE SmartMemory features such as memory authentication and enhanced performance may not be
To realize the performance memory capabilities listed in this document, HPE SmartMemory is required.
For additional information, please see the HPE SmartMemory QuickSpecs
at: http://h18000.www1.hp.com/products/quickspecs/14225_div/14225_div.html (Worldwide).
For memory population rules and additional memory guidelines, please see the DL380 Gen9 user guide
at http://www.hp.com/support.
There are four (4) Memory channels per processor; eight (8) channels per 2 processor server.
There are three (3) DIMM slots for each memory channel; twenty four (24) total slots for 2 processor
server.
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