System Memory; System Memory Guidelines - Dell EMC PowerEdge XE2420 Installation And Service Manual

Next steps
1. Install the NVME riser.
2. Install the GPU riser 2.
3. Follow the procedure listed in

System memory

System memory guidelines

The PowerEdge XE2420 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,
where CPU 1 supports 10 DIMMs, and CPU 2 supports 6 DIMMS. In each channel, the 1st socket is marked white and the 2nd socket
black.
Figure 79. Memory socket location
Memory channels are organized as follows:
Table 37. Memory channels
Processor Channel 0
Intel processor Slots A1 and A7
1
Intel processor Slot B1
2
100 Installing and removing system components
After working inside your system.
Channel 1 Channel 2
Slots A2 and A8 Slots A3
Slot B2 Slot B3
Channel 3 Channel 4
Slots A4 and A9 Slots A5 and A10
Slot B4 Slot B5
Channel 5
Slot A6
Slot B6