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The system has to be equipped with at least one memory module per CPU.

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Supported capacities: 8 GB, 16 GB, 32 GB, 64

GB, 128 GB and 256 GB

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Supports RDIMM w/ ECC, LRDIMM, 3DS-LRDIMM and Optane PMem

modules

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Supports DDR4 RDIMM up to 3200 MT/s

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Supports Optane PMem modules up to 2666 MT/s

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Up to 3 TB/CPU using DDR4 DIMM (256 GB modules)

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Up to 4.5 TB/CPU using Optane PMem modules (512 GB modules) + DDR4

(256 GB modules)

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Error detection and correction (ECC)

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ADDDC sparing (Virtual lockstep mode)

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SDDC mode is not supported

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Channel mirroring within a socket

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Hardware memory scrubbing

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Rank Level Sparing is not supported

The notation of the CPUs, memory channels and DIMM sockets correspond to

the silk print on the system board.

Figure 139: Memory slots of CPU 1

Main memory

238 Upgrade and Maintenance Manual RX4770 M6

Fujitsu PRIMERGY RX4770 M6 User Manual

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