5.4.1 DDR5 Memory
5.4.1.1 Memory Identifier
You can determine the memory module properties based on the label attached to the
memory module.
Figure 5-23
Memory identifier
No.
Description
Example
1
Capacity
● 16 GB
● 32 GB
● 64 GB
● 128 GB
2
rank(s)
● 1R = Single rank
● 2R = Dual rank
● 4R = Quad rank
● 8R = Octal rank
3
Data width on the DRAM
● x4: 4-bit
● x8: 8-bit
4
Type of the memory interface
● PC5 = DDR5
5
Maximum memory speed
● 4800 MT/s
6
Memory latency parameters
(CL-nRCD-nRP)
● A = 34-34-34
● B = 40-40-40
● C = 42-42-42
7
DIMM type
● RD0: reference design for
version RDIMM D0
FusionServer 2288H V7 Server
Technical White Paper
5 Hardware Description
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