Dell R720XD owner manual •number of DIMMs populated per channel

•number of DIMMs populated per channel

•DIMM operating voltage

•system profile selected (for example, Performance Optimized, Custom, or Dense Configuration Optimized)

•maximum supported DIMM frequency of the processors

The system contains 24 memory sockets split into two sets of 12 sockets, one set per processor. Each 12-socket set is organized into four channels. In each channel, the release levers of the first socket are marked white, the second socket black, and the third socket green.

NOTE: DIMMs in sockets A1 to A12 are assigned to processor 1 and DIMMs in sockets B1 to B12 are assigned to processor 2.

Figure 17. Memory socket locations

Memory channels are organized as follows:

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