Memory Support And Installation; Memory Support - Supermicro X13SEFR-A User 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 X13SEFR-A motherboard supports up to 4096GB of ECC RDIMM/RDIMM 3DS DDR5
memory with speeds of up to 4800MT/s (DDR5-4400MT/s when fully populated) in 16 memory
slots. The motherboard also has eight channels and sixteen memory slots that each contain
64GB of memory. Refer to the table below for the recommended DIMM population order.
Note: Use one DIMM per channel when populating the channels.
Number of DIMMs
1
2
4
6
8
12
16
Number of DIMMs
0
1
2
4
8
16
1 CPU, 16 DIMM Slots
Memory Population Sequence
DIMMA1 / DIMMG1
DIMMC1 / DIMME1
DIMMA1 / DIMMG1 / DIMMC1 / DIMME1
DIMMA1 / DIMMG1 / DIMMC1 / DIMME1 / DIMMD1 / DIMMF1
DIMMA1 / DIMMG1 / DIMMC1 / DIMME1 / DIMMB1 / DIMMH1
DIMMC1 / DIMME1 / DIMMB1 / DIMMH1 / DIMMD1 / DIMMF1
DIMMA1 / DIMMG1 / DIMMB1 / DIMMH1 / DIMMD1 / DIMMF1
DIMMA1 / DIMMG1 / DIMMB1 / DIMMH1 / DIMMD1 / DIMMF1 / DIMMC1 /DIMME1
DIMMA1 / DIMMA2 / DIMMB1 / DIMMC1 / DIMMC2 / DIMMD1 / DIMME1 / DIMME2 /
DIMMF1 / DIMMG1 / DIMMG2 / DIMMH1
DIMMA1 / DIMMB1 / DIMMB2 / DIMMC1 / DIMMD1 / DIMMD2 / DIMME1 / DIMMF1 /
DIMMF2 / DIMMG1 / DIMMH1 / DIMMH2
DIMMA1 / DIMMA2 / DIMMB1 / DIMMB2 / DIMMC1 / DIMMC2 / DIMMD1 / DIMMD2 /
DIMME1 / DIMME2 / DIMMF1 / DIMMF2 / DIMMG1 / DIMMG2 / DIMMH1 / DIMMH2
1 HBM CPU, 16 DIMM Slots
Memory Population Sequence
DIMMA1 / DIMMG1
DIMMC1 / DIMME1
DIMMA1 / DIMMG1 / DIMMC1 / DIMME1
DIMMA1 / DIMMG1 / DIMMC1 / DIMME1 / DIMMD1 / DIMMF1 / DIMMB1 / DIMMH1
DIMMA1 / DIMMA2 / DIMMB1 / DIMMB2 / DIMMC1 / DIMMC2 / DIMMD1 / DIMMD2 /
DIMME1 / DIMME2 / DIMMF1 / DIMMF2 / DIMMG1 / DIMMG2 / DIMMH1 / DIMMH2
31
Chapter 2: Installation
DIMMA1
DIMME1
DIMMB1
DIMMF1
DIMMA1
DIMME1