Dell PowerEdge R760 Installation and Service Manual

System memory guidelines

The PowerEdge R760 system supports DDR5 registered DIMMs (RDIMMs).

Your system memory is organized into eight channels per processor (two memory sockets per channel), 16 memory sockets per processor and 32 memory sockets per system.

This image shows memory channels — Figure 1. Memory channels

Memory channels are organized as follows:

Table 1. Memory channelsThe table describes memory channels and how the channels are organized.
Processor	Channel A	Channel B	Channel C	Channel D	Channel E	Channel F	Channel G	Channel H
Processor 1	Slots A1 and A9	Slots A7 and A15	Slots A3 and A11	Slots A5 and A13	Slots A4 and A12	Slots A6 and A14	Slots A2 and A10	Slots A8 and A16
Processor 2	Slots B1 and B9	Slots B7 and B15	Slots B3 and B11	Slots B5 and B13	Slots B4 and B12	Slots B6 and B14	Slots B2 and B10	Slots B8 and B16

Table 2. Supported memory matrixThe table describes the supported memory matrix.
DIMM type	Rank	Capacity	DIMM rated voltage and speed	Operating Speed
DIMM type	Rank	Capacity	DIMM rated voltage and speed	1 DIMM per channel (DPC)	2 DIMMs per channel (DPC)
RDIMM	1 R	16 GB	DDR5 (1.1 V), 4800 MT/s	4800 MT/s	4400 MT/s
	2 R	32 GB, 64 GB	DDR5 (1.1 V), 4800 MT/s	4800 MT/s	4400 MT/s
	4 R	128 GB	DDR5 (1.1 V), 4800 MT/s	4800 MT/s	4400 MT/s
	8 R	256 GB	DDR5 (1.1 V), 4800 MT/s	4800 MT/s	4400 MT/s
	1 R	16 GB	DDR5 (1.1 V), 5600 MT/s	5600 MT/s	4400 MT/s
	2 R	32 GB, 64 GB, 96 GB	DDR5 (1.1 V), 5600 MT/s	5600 MT/s	4400 MT/s
	4 R	128 GB	DDR5 (1.1 V), 5600 MT/s	5600 MT/s	4400 MT/s
	8 R	256 GB*	DDR5 (1.1 V), 5600 MT/s	5600 MT/s	4400 MT/s

NOTE:5600 MT/s RDIMMs are applicable for 5^th Gen Intel® Xeon® Scalable Processors.

NOTE:The processor may reduce the performance of the rated DIMM speed.

NOTE:*256 GB RDIMM with 5^th Gen Intel® Xeon® Scalable Processors will be supported in the future release.

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Dell PowerEdge R760 Installation and Service Manual

System memory guidelines

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