Dell PowerEdge XE9780 Installation and Service Manual

Memory specifications

The PowerEdge XE9780 system supports the following memory specifications for optimized operation.

Table 1. Memory specificationsThe table below shows the memory specifications:
DIMM type	DIMM rank	DIMM capacity	Dual processors
DIMM type	DIMM rank	DIMM capacity	Minimum system capacity	Maximum system capacity
RDIMM	Dual rank	64 GB	1 TB	2 TB
	Dual rank	96 GB	1.5 TB	3 TB
	Dual rank	128 GB	2 TB	4 TB
	Quad rank	256 GB	4 TB	8 TB

NOTE:B200 GPU: the minimum total memory capacity must greater than 1TB per system.

NOTE:B300 GPU: the minimum total memory capacity must greater than 2TB per system.

Table 2. Supported memory configuration speedThe table below shows the supported memory configuration speed for the system:
Memory module sockets	CPUs	Speed	GPUs
32, 288-pin	6th Generation Intel® Xeon® Scalable Processors	6400 MT/s 1DIMM per channel, 5200 MT/s 2DIMMs per channel	B300
32, 288-pin	6th Generation Intel® Xeon® Scalable Processors	6400 MT/s 1DIMM per channel, 5200 MT/s 2DIMMs per channel	B200