callout Description Denition
1 Capacity of the memory
module
● 8 GB
● 16 GB
● 32 GB
● 64 GB
● 128 GB
2 Number of ranks of the
memory module
● 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 ● PC3: DDR3
● PC4: DDR4
5 Maximum memory speed ● 2133 MT/S
● 2400 MT/S
● 2666 MT/S
● 2933 MT/S
6 Column Access Strobe (CAS)
latency
● P: 15
● T: 17
7 DIMM type ● R: RDIMM
● L: LRDIMM
2.4.2 Memory Subsystem Architecture
The 2288X V5 provides 24 memory slots. Each processor integrates six memory
channels.
Install DIMMs in primary memory channels
rst. If the primary memory channel is
not populated, the DIMMs in secondary memory channels cannot be used.
Table 2-5 Memory channels
CPU
Memory Channel Memory Slot
CPU 1 A (primary) DIMM000(A)
A DIMM001(G)
B (primary) DIMM010(B)
B DIMM011(H)
FusionServer Pro 2288X V5 Server
User Guide 2 Hardware Description
Issue 04 (2020-06-05) Copyright © Huawei Technologies Co., Ltd. 18