Dell EMC VxRail E series - System memory

System memory
The appliance supports DDR4 registered DIMMs (RDIMMs) and load reduced DIMMs (LRDIMMs).
Memory holds the instructions that are executed by the processor.
CAUTION To avoid data loss, ensure that you refer to the procedures in the SolVe Desktop
application before performing any memory or expansion card replacement or upgrade
procedures.
Note: MT/s indicates DIMM speed in MegaTransfers per second.
Memory bus operating frequency can be 2666 MT/s, 2400 MT/s, or 2133 MT/s depending on the
following factors:
l
DIMM type (RDIMM or LRDIMM)
l
Number of DIMMs populated per channel
l
System profile selected (for example, Performance Optimized, Custom, or Dense
Configuration Optimized)
l
Maximum supported DIMM frequency of the processors
Your appliance contains 24 memory sockets split into two sets of 12 sockets, one set per
processor. Each 12-socket set is organized into six channels. In each channel, the release tabs of
the first socket are marked white and the second socket are marked black.
Replacing and adding hardware
Dell EMC VxRail Appliances on PowerEdge Servers E Series Owner's Manual 37