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Intel® Server System M50FCP1UR System Integration and Service Guide
B.3
Intel® DDR5 DIMM Support Disclaimer
Intel validates, and only supports system configurations, where all installed DDR5 DIMMs have matching
"Identical" or "Like" attributes (see
from different vendors are supported by Intel if all other DDR5 "Like" DIMM attributes match.
Intel does not perform system validation testing, nor will it support system configurations, where all
populated DDR5 DIMMs do not have matching "Like" DIMM attributes, as listed in the
Intel only supports Intel server systems configured with DDR5 DIMMs that have been validated by Intel
and are listed on Intel's Tested Memory list for a given Intel server family.
Intel configures and ships fully integrated L9 server systems. All DDR5 DIMMs within an L9 server system
as shipped by Intel, are identical. All installed DIMMs have matching attributes as the attributes listed in
the "Identical" DDR5 DIMM Attributes column in the
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 following table. 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. DDR5 DIMM Attributes Table for "Identical" and "Like" DIMMs
DDR5 DIMMs are considered "Identical" when ALL listed attributes between the DIMMs match
•
•
Two or more DDR5 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 (MT/s)
Voltage
DIMM Size (GB)
Organization
DIMM Rank
DIMM Raw Card (RC)
DRAM Width
DRAM Density
96
following
table). A system configured concurrently with DDR5 DIMMs
"Identical"
"Like" DDR5
DDR5 DIMM
DIMM Attributes
Attributes
Match
May be Different
Match
May be Different
Match
May be Different
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
Match
following
table.
Possible DDR5 Attribute Values
Memory Vendor Name
Memory Vendor Part #
Memory Vendor Part Revision #
DDR5
RDIMM, 9x4 RDIMM
4000, 4400, 4800
1.1 V
16 GB, 32 GB, 64 GB, 128 GB, 256 GB
2Gx80; 4Gx80; 8Gx80; 16Gx80; 32Gx80
1R, 2R, 4R, 8R
RC A, RC B, RC C, RC D, RC E, RC F
x4, x8
16 Gb
following
table.
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