FusionServer 2288H V5 Server
Technical White Paper
Copyright © xFusion Digital Technologies Co., Ltd.
Table 5-6 DDR4 memory specifications
Maximum capacity per DDR4 DIMM (GB)
Maximum number of DDR4 DIMMs in a server
a
Maximum DDR4 memory capacity of the server (GB)
b
Maximum operating
speed (MT/s)
⚫
a: The maximum number of DDR4 memory modules is based on dual-processor
configuration. The value is halved for a server with only one processor.
⚫
b: The maximum DDR4 memory capacity varies depending on the processor
type. The value listed in this table is based on the assumption that DIMMs are
fully configured.
⚫
c: DPC (DIMM per channel) indicates the number of DIMMs per channel.
⚫
d: If the Cascade Lake processor is used, the maximum operating speed of a
DIMM can reach 2933 MT/s. If the Skylake processor is used, the maximum
operating speed of a DIMM can reach 2666 MT/s only. Different CPUs possess
different specifications, For details about the CPU parameters, see the Intel
official website.
⚫
The information listed in this table is for reference only. For details, consult the
local sales representative.
5.4.1.4 DIMM Installation Rules
This section applies to a server fully configured with DDR4 DIMMs. If DCPMMs are used
together, see 5.4.2.4 DIMM Installation Rules.
⚫
Observe the following when configuring DDR4 memory modules:
− Install memory modules only when corresponding processors are installed.
− Do not install LRDIMMs and RDIMMs in the same server.
− Install filler memory modules in vacant slots.
⚫
Observe the following when configuring DDR4 memory modules in specific
operating mode:
− Memory sparing mode
◼ Comply with the general installation guidelines.
◼ Each memory channel must have a valid online spare configuration.
◼ The channels can have different online spare configurations.
◼ Each populated channel must have a spare rank.
− Memory mirroring mode
◼ Comply with the general installation guidelines.
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