Dell EMC XC Core XC7525, Installation And Service Manual

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Figure 56. Memory channels
Memory channels are organized as follows:
Table 10. Memory channels
Processor Channel
A
Channel
B
Channel C Channel D Channel E Channel F Channel G Channel H
Processor 1 Slots A6
and A12
Slots A5
and A11 Slots A2
and A10 Slots A1 and
A9 Slots A8 and
A16 Slots A7
and A15 Slots A4 and
A14 Slots A3 and
A13
Processor
2 Slots B6
and B12 Slots B5
and B11 Slots B2
and B10 Slots B1 and
B9 Slots B8 and
B16 Slots B7
and B15 Slots B4 and
B14 Slots B3 and
B13
Table 11. Supported memory matrix
DIMM type Rank Capacity DIMM rated
voltage and
speed
Operating Speed on AMD EPYC™
processor
1 DIMM per
channel (DPC)
2 DIMMs per
channel (DPC)
RDIMM 2 R 16 GB, 32 GB, 64
GB DDR4 (1.2 V), 3200
MT/s 3200 MT/s 2933 MT/s
LRDIMM 4 R 128 GB DDR4 (1.2 V), 3200
MT/s 3200 MT/s 2933 MT/s
8 R 128 GB DDR4 (1.2 V), 2666
MT/s 2666 MT/s 2666 MT/s
8 R 128 GB DDR4 (1.2 V), 3200
MT/s 3200 MT/s 2933 MT/s
64 Installing and removing system components