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Chapter 2: Installation
2.4 Memory Support and Installation
Note: Check the Supermicro website for recommended memory modules. Exercise
extreme care when installing or removing DIMM modules to prevent any damage.
Memory Support
The X11SCL-IF supports up to 32GB of unbuffered (UDIMM) DDR4 (288-pin) ECC memory
(1-DIMM per channel) with speeds of up to 2666MHz in two memory slots. Refer to the tables
below for the recommended DIMM population order and additional memory information.
1 CPU, 2-DIMM Slots
Number of DIMMs Memory Population Sequence
1 DIMMB1
2 DIMMB1 / DIMMA1
DIMM Type
Ranks Per DIMM
and Data Width
DIMM Capacity
(GB)
Speed (MT/s), Voltage (V),
Slot Per Channel (SPC),
and DIMM Per Channel (DPC)
1 Slot Per Channel
DRAM Density 1DPC
4GB 8GB 1.2V
Unbuffered
DDR4 ECC
SR
8GB
(2x 4GB DIMMs)
16GB
(2x 8GB DIMMs)
2666
DR
16GB
(2x 8GB DIMMs)
32GB
(2x 16GB DIMMs)