2.4 Memory Support and Installation
Notes: Check the Supermicro website for recommended memory modules. Exercise
extreme care when installing or removing DIMM modules to prevent any damage.
Memory Support
The X11SCW-F supports up to 128GB of unbuffered (UDIMM) DDR4 (288-pin) ECC memory
(2-DIMM per channel) with speeds of up to 2666MHz in four memory slots. Refer to the tables
below for the recommended DIMM population order and additional memory information.
Number of DIMMs
1
2
3
(Unbalanced: Not Recommended)
4
Ranks Per DIMM
DIMM Type
and Data Width
SR
Unbuffered
DDR4 ECC
DR
1 CPU, 4-DIMM Slots
Memory Population Sequence
DIMMB2 / DIMMA2 / DIMMB1 / DIMMA1
DIMM Capacity
(GB)
DRAM Density
4Gb
8Gb
16GB
32GB
(4x 4GB DIMMs)
(4x 8GB DIMMs)
32GB
64GB
(4x 8GB DIMMs)
(4x 16GB DIMMs)
29
DIMMB2
DIMMB2 / DIMMA2
DIMMB2 / DIMMA2 / DIMMB1
and DIMM Per Channel (DPC)
16Gb
128GB
(4x 32GB DIMMs)
128GB
(4x 32GB DIMMs)
Chapter 2: Installation
Speed (MT/s), Voltage (V),
Slot Per Channel (SPC),
2 Slots Per Channel
1DPC
2DPC
1.2V
1.2V
2666
2666