System Memory; System Memory Guidelines - Dell EMC PowerEdge R7515 Installation And Service Manual

Figure 54. Installing the rear drive cage
Next steps
1. Install the drives in their original locations.
2. Install the air shroud.
3. Follow the procedure listed in

System memory

System memory guidelines

The PowerEdge R7515 system supports DDR4 registered DIMMs (RDIMMs) and load reduced DIMMs (LRDIMMs). System memory holds
the instructions that are executed by the processor.
Your system memory is organized into eight channels per processor (two memory sockets per channel) for a total of 16 memory sockets
per processor. In each channel, the 1st socket is marked white and the 2nd socket black.
Memory channels are organized as follows:
Table 38. Memory channels
Processo Channel A
r
AMD Slots 6 and
Processor 12
Table 39. Supported memory matrix
DIMM Rank
type
74 Installing and removing system components
After working inside your system
Channel B Channel C
Slots 5 and Slots 2 and
11 10
Capacity
on page 44.
Channel D Channel E
Slots 1 and 9 Slots 8 and 16 Slots 7 and
DIMM rated voltage and
speed
Channel F Channel G
Slots 4 and 14
15
Operating Speed
1 DIMMs per 2 DIMMs per
Channel (DPC) Channel (DPC)
Channel H
Slots 3 and 13