Dell EMC PowerEdge R7525 - General Memory Module Installation Guidelines; Memory Channels; Supported Memory Matrix

Figure 67. Memory channels
Memory channels are organized as follows:
Table 34. 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 35. Supported memory matrix
DIMM type Rank Capacity DIMM rated
voltage and speed
Operating Speed
1 DIMM per
channel (DPC)
2 DIMMs per
channel (DPC)
RDIMM 1 R 8 GB DDR4 (1.2 V), 3200
MT/s
3200 MT/s 2933 MT/s
2 R 16 GB, 32 GB, 64 GB DDR4 (1.2 V), 3200
MT/s
3200 MT/s 2933 MT/s
LRDIMM 8 R 128 GB DDR4 (1.2 V), 2666
MT/s
2666 MT/s 2666 MT/s
General memory module installation guidelines
To ensure optimal performance of your system, observe the following general guidelines when configuring your system memory. If your
system's memory configurations fail to observe these guidelines, your system might not boot, stop responding during memory
Installing and removing system components
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