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Chapter 3: Maintenance and Component Installation
3.4 Memory
Memory Support
The X12DPU-6 motherboard has 32 DIMM slots. It supports up to
•
8TB (DDR4 only): 3DS Load Reduced DIMM (3DS LRDIMM), 3DS Registered DIMM (3DS
RDIMM), or Non-Volatile DIMMs (NV-DIMM) ECC memory with speeds of up to 3200 MHz.
•
12TB (PMem + DDR4): 8TB of Intel Optane PMem 200 series (on Platinum, Gold and
selected Silver processors only) plus 4TB of DDR4.
For validated memory, use our
Product Resources page
.
DDR4 Memory Support for 83xx/63xx/53xx/43xx Processors
Type
Ranks Per
DIMM and
Data Width
DIMM Capacity (GB)
Speed (MT/s) and Voltage
DRAM Density
One DIMM
per Channel
Two DIMMs
per Channel
8Gb
16Gb
1.2V
1.2V
RDIMM
SRx8
8GB
16GB
3200*
3200*
SRx4
16GB
32GB
DRx8
16GB
32GB
DRx4
32GB
64GB
RDIMM 3Ds
(4R/8R) x4
2H-64GB
4H-128GB
2H-128GB
4H-256GB
LRDIMM
QRx4
64GB
128GB
LRDIMM 3Ds (4R/8R) x4
4H-128GB
2H-128GB
4H-256GB
*Only the 83xx and 63xx series support 3200MT/s; for other processors, memory speed as supported by the CPU.
Figure 3-2. Memory Slots
CPU2
REV:1.02
X12DPU(-6)
CPU1
P2-DIMMF2
P2-DIMMF1
P2-DIMMH1
P2-DIMME2
P2-DIMME1
P2-DIMMG1
P2-DIMMH2
P2-DIMMG2
P2-DIMMC1
P2-DIMMC2
P2-DIMMD2 P2-DIMMD1
P2-DIMMB2
P2-DIMMA1
P2-DIMMA2
P2-DIMMB1
P1-DIMMC2
P1-DIMMD2
P1-DIMMC1
P1-DIMMD1 P1-DIMMA2 P1-DIMMA1 P1-DIMMB2 P1-DIMMB1
P1-DIMMF1 P1-DIMMF2 P1-DIMME1 P1-DIMME2 P1-DIMMH1 P1-DIMMH2 P1-DIMMG1 P1-DIMMG2