Memory Support And Installation; Memory Support; Ddr4 Memory Support For 81Xx/61Xx/51Xx/41Xx/31Xx Platform - Supermicro X11SPi-TF User Manual

Super X11SPi-TF User's Manual

2.4 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 X11SPi-TF supports up to 256GB of RDIMM, 512GB of LRDIMM, and 1TB of 3DS
LRDMIMM DDR4 (288-pin) ECC memory with speeds of up to 2666MHz in eight memory
slots. Refer to the tables below for the recommended DIMM population order and additional
memory information.
Number of DIMMs
1
2
3
4
5
(Unbalanced: Not Recommended)
6
7
(Unbalanced: Not Recommended)
8

DDR4 Memory Support for 81xx/61xx/51xx/41xx/31xx Platform

Ranks Per DIMM
DIMM Type
and Data Width
RDIMM
RDIMM
RDIMM
RDIMM
RDIMM 3DS
LRDIMM
LRDIMM 3DS
1 CPU, 8-DIMM Slots
DIMMB1 / DIMMA1 / DIMMD1 / DIMME1
DIMMC1 / DIMMB1 / DIMMA1 / DIMMD1 / DIMME1
DIMMC1 / DIMMB1 / DIMMA1 / DIMMD1 / DIMME1 / DIMMF1
DIMMC1 / DIMMB1 / DIMMA1 / DIMMA2 / DIMMD1 / DIMME1 / DIMMF1
DIMMC1 / DIMMB1 / DIMMA1 / DIMMA2 / DIMMD2 / DIMMD1 / DIMME1 / DIMMF1
DIMM Capacity
(GB)
DRAM Density
4GB
SRx4 8GB
SRx8 4GB
DRx8 8GB
DRx4 16GB
QRx4 N/A 2H-64GB
8Rx4 N/A 4H-128GB
QRx4 32GB
QRx4 N/A 2H-64GB
8Rx4 N/A 4H-128GB
32
Memory Population Sequence
DIMMA1
DIMMA1 / DIMMD1
DIMMC1 / DIMMB1 / DIMMA1
Speed (MT/s), Voltage (V),
Slot Per Channel (SPC),
and DIMM Per Channel (DPC)
1 Slot Per
2 Slots Per Channel
Channel
1DPC 1DPC
8GB 1.2V 1.2V
16GB
8GB
16GB
32GB
2666 2666
64GB
2DPC
1.2V
2666