Dell E665F Owner's Manual - Page 33

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Dell E665F Owner's Manual

System memory guidelines

The VxRail E665 system supports DDR4 registered DIMMs (RDIMMs). 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.
Figure 14. Memory socket location
Memory channels are organized as follows:
Table 38. Memory channels
Processor
Channel A
AMD
Slots 6 and
Processor
12
Table 39. Supported memory matrix
DIMM type
Rank
type
RDIMM
2R
Channel B
Channel C
Slots 5 and
Slots 2 and
11
10
Capacity
DIMM rated voltage and
speed
16 GB, 32 GB, 64
DDR4 (1.2V), 3200 MT/s
GB
Channel D
Channel E
Slots 1 and
Slots 8 and
9
16
Operating Speed
1 DIMM per
Channel (DPC)
3200 MT/s
Channel F
Channel G
Slots 7 and
Slots 4 and
15
14
2 DIMMs per
Channel (DPC)
2933 MT/s
Replacing and adding hardware
Channel H
Slots 3 and
13
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