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Chapter 2: Installation
2.5 Memory Support and Installation
Note
: Check the Supermicro website for recommended memory modules.
Important:
Exercise extreme care when installing or removing DIMM modules to pre-
vent any possible damage.
Memory Support
The X11SRi-IF supports up to 128GB of RDIMM and 256GB of LRDIMM DDR4 (288-pin) ECC
memory with speeds of up to 2666 MHz in four memory slots. Refer to the tables below for
the recommended DIMM population order and additional memory information.
1 CPU, 4-DIMM Slots
Number of DIMMs
Memory Population Sequence
1
DIMMA1
2
DIMMA1 / DIMMC1
3 (Unbalanced: not recommended)
DIMMA1 / DIMMC1 / DIMMB1
4
DIMMA1 / DIMMC1 / DIMMB1 / DIMMD1
Type
Ranks Per DIMM
and Data Width
DIMM Capacity
(GB)
Speed (MT/s), Voltage (V),
Slot Per Channel (SPC),
and DIMMs Per Channel (DPC)
1 Slot Per
Channel
2 Slots Per Channel
DRAM Density
1DPC
1DPC
2DPC
4Gb
8Gb
1.2V
1.2V
1.2V
RDIMM
SRx4
8GB
16GB
2666
2666
2666
RDIMM
SRx8
4GB
8GB
RDIMM
DRx8
8GB
16GB
RDIMM
DRx4
16GB
32GB
LRDIMM
QRx4
32GB
64GB
Содержание X11SRi-IF
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