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Memory module installation rules

Memory modules must be installed in a specific order based on the memory configuration that you implement on your server.

Your server has 24 memory module slots. It supports up to 12 memory modules when one processor is installed, and up to 24 memory modules when two processors are installed. It has the following features:

For Intel Xeon SP Gen 1:

  • Supporting memory module type is as follows:

    • TruDDR4 2666, single-rank or dual-rank, 8 GB/16 GB/32 GB RDIMM

    • TruDDR4 2666, quad-rank, 64 GB LRDIMM

    • TruDDR4 2666, octa-rank, 128 GB 3DS RDIMM

  • The minimum system memory is 8 GB.

  • The maximum system memory is as follows:

    • 768 GB using RDIMMs

    • 1.5 TB using LRDIMMs

    • 3 TB using 3DS RDIMMs

For Intel Xeon SP Gen 2:

  • Supporting memory module type is as follows:

    • TruDDR4 2666, single-rank or dual-rank, 16 GB/32 GB RDIMM

    • TruDDR4 2933, single-rank or dual-rank, 8 GB/16 GB/32 GB/64 GB RDIMM

    • TruDDR4 2933, single-rank or dual-rank, 16 GB/32 GB/64 GB Performance+ RDIMM

    • TruDDR4 2666, quad-rank, 64 GB 3DS RDIMM

    • TruDDR4 2933, quad-rank, 128 GB 3DS RDIMM

    • TruDDR4 2933, quad-rank, 128 GB Performance+ 3DS RDIMM

    • 128 GB/256 GB/512 GB DCPMM

  • The minimum system memory is 8 GB.

  • The maximum system memory is as follows:

    • 1.5 TB using RDIMMs

    • 3 TB using 3DS RDIMMs

    • 6 TB using DCPMM and RDIMMs/3DS RDIMMs in Memory Mode

For a list of supported memory options, see: Lenovo ServerProven website