DIMM Support

The X14QBH+ motherboard supports up to 16 TB of ECC DDR5 RDIMM with speeds of up to 6400 MT/s in 64 slots.

DDR5-6400 Memory Support for Intel® Xeon® 6700/6500-Series Processors with P-Cores

Type

Ranks Per DIMM, Data Width (Stack)

DIMM Capacity (GB)

 

Speed (MT/s); Voltage (V); Slots per Channel (SPC) and DIMMs per Channel (DPC)

DRAM Density

 

16 Gb

24 Gb

32 Gb

1DPC/2SPC

2DPC/2SPC

1DPC

2DPC

1DPC

2DPC

1DPC

2DPC

+1.1 V

RDIMM

1Rx8

 

 

 

 

 

 

6400, 6000, 5600, 5200, 4800 (DDR5-6400 rated RDIMMs only)

5200, 4800 (DDR5-6400 rated RDIMMs only)

1Rx4

 

 

 

 

 

 

2Rx8

 

 

 

 

 

 

2Rx4

64 GB*

64 GB*^

96 GB*

96 GB*^

128 GB*

128 GB*^

3DS RDIMM

4Rx4

 

 

 

 

256 GB*^

256 GB*^

8Rx4

 

256 GB

 

 

 

 

Notes: 
  • The items marked with an asterisk (*) are supported in 1S/2S/4S systems. The items with circumflex (^) are supported in 8S systems. All others support 1S/2S only.

    MRDIMM is supported with 1DPC configurations only.

  • Intel Xeon 6700/6500-series processors with P-cores support up to 5200 MT/s speed in 2DPC configuration with 6400 MT/s DIMMs only. 5600 MT/s DIMMs are not supported.

  • Intel Xeon 6700/6500-series processors with P-cores supports 1 DIMM per processor socket with the following DIMM configurations only: 16 GB/24 GB 1Rx8 and 32 GB/48 GB 1Rx8.

Intel® Xeon® 6700-Series Processors with P-Cores DDR5 Recommended Memory Population Table

(4 Processor and 64 DIMMs Installed, 2DPC)

DIMM Count

Memory Population Sequence

4 Processors and 4 DIMMs

CPU1: P1- DIMMA1

CPU2: P2-DIMMA1

CPU3: P3-DIMMA1

CPU4: P4-DIMMA1

4 Processors and 16 DIMMs

CPU1: P1-DIMMA1/P1-DIMMC1/P1-DIMME1/P1-DIMMG1

CPU2: P2-DIMMA1/P2-DIMMC1/P2-DIMME1/P2-DIMMG1

CPU3: P3-DIMMA1/P3-DIMMC1/P3-DIMME1/P3-DIMMG1

CPU4: P4-DIMMA1/P4-DIMMC1/P4-DIMME1/P4-DIMMG1

4 Processors and 32 DIMMs

CPU1: P1-DIMMA1/P1-DIMMB1/P1-DIMMC1/P1-DIMMD1/P1-DIMME1/P1-DIMMF1/P1-DIMMG1/P1-DIMMH1

CPU2: P2-DIMMA1/P2-DIMMB1/P2-DIMMC1/P2-DIMMD1/P2-DIMME1/P2-DIMMF1/P2-DIMMG1/P2-DIMMH1

CPU3: P3-DIMMA1/P3-DIMMB1/P3-DIMMC1/P3-DIMMD1/P3-DIMME1/P3-DIMMF1/P3-DIMMG1/P3-DIMMH1

CPU4: P4-DIMMA1/P4-DIMMB1/P4-DIMMC1/P4-DIMMD1/P4-DIMME1/P4-DIMMF1/P4-DIMMG1/P4-DIMMH1

4 Processors and 48 DIMMs

CPU1: P1-DIMMA1/P1-DIMMA2/P1-DIMMB1/P1-DIMMC1/P1-DIMMC2/P1-DIMMD1/P1-DIMME1/P1-DIMME2/P1-DIMMF1/P1-DIMMG1/P1-DIMMG2/P1-DIMMH1

CPU2: P2-DIMMA1/P2-DIMMA2/P2-DIMMB1/P2-DIMMC1/P2-DIMMC2/P2-DIMMD1/P2-DIMME1/P2-DIMME2/P2-DIMMF1/P2-DIMMG1/P2-DIMMG2/P2-DIMMH1

CPU3: P3-DIMMA1/P3-DIMMA2/P3-DIMMB1/P3-DIMMC1/P3-DIMMC2/P3-DIMMD1/P3-DIMME1/P3-DIMME2/P3-DIMMF1/P3-DIMMG1/P3-DIMMG2/P3-DIMMH1

CPU4: P4-DIMMA1/P4-DIMMA2/P4-DIMMB1/P4-DIMMC1/P4-DIMMC2/P4-DIMMD1/P4-DIMME1/P4-DIMME2/P4-DIMMF1/P4-DIMMG1/P4-DIMMG2/P4-DIMMH1

4 Processors and 64 DIMMs

CPU1: P1-DIMMA1/P1-DIMMA2/P1-DIMMB1/P1-DIMMB2/P1-DIMMC1/P1-DIMMC2/P1-DIMMD1/P1-DIMMD2/P1-DIMME1/P1-DIMME2/P1-DIMMF1/P1-DIMMF2/P1-DIMMG1/P1-DIMMG2/P1-DIMMH1/P1-DIMMH2

CPU2: P2-DIMMA1/P2-DIMMA2/P2-DIMMB1/P2-DIMMB2/P2-DIMMC1/P2-DIMMC2/P2-DIMMD1/P2-DIMMD2/P2-DIMME1/P2-DIMME2/P2-DIMMF1/P2-DIMMF2/P2-DIMMG1/P2-DIMMG2/P2-DIMMH1/P2-DIMMH2

CPU3: P3-DIMMA1/P3-DIMMA2/P3-DIMMB1/P3-DIMMB2/P3-DIMMC1/P3-DIMMC2/P3-DIMMD1/P3-DIMMD2/P3-DIMME1/P3-DIMME2/P3-DIMMF1/P3-DIMMF2/P3-DIMMG1/P3-DIMMG2/P3-DIMMH1/P3-DIMMH2

CPU4: P4-DIMMA1/P4-DIMMA2/P4-DIMMB1/P4-DIMMB2/P4-DIMMC1/P4-DIMMC2/P4-DIMMD1/P4-DIMMD2/P4-DIMME1/P4-DIMME2/P4-DIMMF1/P4-DIMMF2/P4-DIMMG1/P4-DIMMG2/P4-DIMMH1/P4-DIMMH2