XCubeFAS Series
Hardware Manual
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39
Installing the Optional Memory Modules
Standard system memory capacity for XCubeFAS series models: 32GB DDR4 ECC UDIMM for
XF2026D, 16GB DDR4 RDIMM for XF3126D . If you purchase additional optional memory
module for your storage system, please refer to the following image and table for the
suggested sequence of memory module installation. It is requested that the installation slot and
capacity of the memory module MUST be the same for both controllers.
In
XF2026D
, there are four DIMM slots for expansion of memory capacity. The installation
sequence for the memory module with the same capacity should be: #3
➔
#2
➔
#4 due to slot
#1 and #2 are memory bank 1; slot #3 and #4 are bank 2. Balance the memory size of two banks
will keep the optimized system performance. The installation sequence is applicable for dual or
single controller module.
XF2026D Controller:
Figure 4-1 The Installation Sequence of the Memory Module in XF2026D