CH121 memory

The CH121 provides 24 slots for installing DIMMs (12 DIMMs for each processor).
Maximum memory speed: 1866 MHz
Memory protection: ECC, memory mirroring, and memory sparing
DIMM types: RDIMMs and LRDIMMs (not mixed use of them)
RDIMMs: When twenty-four 32 GB RDIMMs and two CPUs are configured, the maximum memory capacity is 768 GB.
LRDIMMs: When twenty-four 32 GB LRDIMMs and two CPUs are configured, the maximum memory capacity is 768 GB.
Assembly description:
You can use the Huawei Server DIMM Configuration Assistant online tool to quickly determine the DIMM installation positions for different server models, processor quantities, and DIMM quantities.
Tool link: http://support.huawei.com/onlinetoolsweb/smca/?language=en

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