IBMX3650M4 server memory installation rules: According to the server model, the server comes with at least one 2GB or 4GBDIMM installed in the slot 1.

If you want to install more memory, please install it in order. IBMSystemx3650M4 supports four types of memory: UDIMM, RDIMM, HyperCloud(HCDIMM) and LRDIMM. It should be noted that the server does not support four types of mixed insertion. When the memory voltages are 1.5V and 1.35V are mixed in the same server, the voltage works at 1.