Dell PowerEdge R7525 EMC Installation and Service Manual - Page 83

General memory module installation guidelines, Table 34. Memory channels

Page 83 highlights

Figure 67. Memory channels Memory channels are organized as follows: Table 34. Memory channels Processor Processor 1 Channel A Slots A6 and A12 Channel B Channel C Channel D Slots A5 and A11 Slots A2 and Slots A1 and A10 A9 Channel E Slots A8 and A16 Processor 2 Slots B6 Slots B5 and B12 and B11 Slots B2 and Slots B1 and Slots B8 and B10 B9 B16 Channel F Channel G Slots A7 and Slots A4 and A15 A14 Slots B7 and Slots B4 and B15 B14 Channel H Slots A3 and A13 Slots B3 and B13 Table 35. Supported memory matrix DIMM type Rank RDIMM 1 R 2 R LRDIMM 8 R Capacity DIMM rated voltage and speed 8 GB DDR4 (1.2 V), 3200 MT/s 16 GB, 32 GB, 64 GB DDR4 (1.2 V), 3200 MT/s 128 GB DDR4 (1.2 V), 2666 MT/s Operating Speed 1 DIMM per channel (DPC) 3200 MT/s 3200 MT/s 2666 MT/s 2 DIMMs per channel (DPC) 2933 MT/s 2933 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 83

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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
83