General Memory Module Installation Guidelines - Dell PowerEdge R7615 Installation And Service Manual

Figure 108. Memory channels
Table 93. Memory channels
Proce Chan Chan
ssor nel A nel B
Proces Slots Slots
sor 1 A1 A5
Table 94. Supported memory matrix
DIMM type
DDR5 RDIMM
NOTE: DDR4 memory is not supported.
NOTE: The processor may reduce the performance of the rated DIMM speed.

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 configuration, or operate with reduced memory. This section provides information on the memory population rules for
single or dual processor system.
Chann Chann Channe
el C el D l E
Slots Slots Slots A7 Slots
A3 A9
Rank
1 R
2 R
Chann Channel Channel
el F G H
Slots A2 Slots A6
A11
Capacity
16 GB
32 GB, 64 GB
Installing and removing system components
Channe Channe
l I l J
Slots A4 Slots
A10
DIMM rated voltage
and speed
DDR5 (1.1 V), 4800
MT/s
DDR5 (1.1 V), 4800
MT/s
Channe Channe
l K l L
Slots A8 Slots
A12
Operating Speed
1 DIMM per channel
(DPC)
4800 MT/s
4800 MT/s
145