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Intel® Server Board M50CYP2SB Family Technical Product Specification
4.3.1
DDR4 DIMM Population Rules
Intel DDR4 DIMM Support Disclaimer:
Intel validates and will only provide support for system configurations where all installed DDR4 DIMMs
have matching "Identical" or "Like" attributes. See
DIMMs from different vendors will be supported by Intel if all other DDR4 "Like" DIMM attributes match.
Intel does not perform system validation testing nor will it provide support for system configurations
where all populated DDR4 DIMMs do not have matching "Like" DIMM attributes as listed in
Intel will only provide support for Intel server systems configured with DDR4 DIMMs that have been
validated by Intel and are listed on Intel's Tested Memory list for the given Intel® Server Product family.
Intel configures and ships pre-integrated L9 server systems. All DDR4 DIMMs within a given L9 server
system as shipped by Intel will be identical. All installed DIMMs will have matching attributes as those
listed in the "Identical" DDR4 DIMM4 Attributes column in
When purchasing more than one integrated L9 server system with the same configuration from Intel, Intel
reserves the right to use "Like" DIMMs between server systems. At a minimum, "Like" DIMMS will have
matching DIMM attributes as listed in the table below. However, the DIMM model #, revision #, or vendor
may be different.
For warranty replacement, Intel will make every effort to ship back an exact match to the one returned.
However, Intel may ship back a validated "Like" DIMM. A "Like" DIMM may be from the same vendor but
may not be the same revision # or model #, or it may be an Intel validated DIMM from a different vendor.
At a minimum, all "Like" DIMMs shipped from Intel will match attributes of the original part according to
the definition of "Like" DIMMs in the following table.
Table 6. DDR4 DIMM Attributes Table for "Identical" and "Like" DIMMs
• DDR4 DIMMs are considered "Identical" when ALL listed attributes between the DIMMs match
• Two or more DDR4 DIMMs are considered "Like" DIMMs when all attributes minus the Vendor, and/or
DIMM Part # and/or DIMM Revision#, are the same.
Attribute
Vendor
DIMM Part #
DIMM Revision #
SDRAM Type
DIMM Type
Speed (MHz)
Voltage
DIMM Size (GB)
Organization
DIMM Rank
DRAM Width
DRAM Density
44
"Identical" DDR4
"Like" DDR4
DIMM Attributes
DIMM Attributes
Match
Maybe Different
Match
Maybe Different
Match
Maybe Different
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Table
6. A system configured concurrently with DDR4
Table
6.
Possible DDR4 Attribute Values
Memory Vendor Name
Memory Vendor Part #
Memory Vendor Part Revision #
DDR4
RDIMM, LRDIMM
2666, 2933, 3200
1.2V
8GB, 16GB, 32GB, 64GB, 128GB, 256GB
1Gx72; 2Gx72; 4Gx72; 8Gx72; 16Gx72; 32Gx72
1R, 2R, 4R, 8R
x4, x8
8Gb, 16Gb
Table
6.
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