Dell PowerEdge XR8720t Installation and Service Manual

Memory specifications

The PowerEdge XR8720t system supports the following memory specifications for optimized operation.

Table 1. Memory specificationsThe table below shows the memory specifications:
DIMM type	Rank	Capacity	Single processor
DIMM type	Rank	Capacity	Minimum system capacity	Maximum system capacity
DDR5 RDIMM	Single rank	16 GB	32 GB	128*GB
	Dual rank	32 GB	64 GB	256*GB
	Dual rank	64 GB	128 GB	512*GB
	Dual rank	96 GB	192 GB	768*GB

NOTE:System supports 2 and 4 DIMM configuration with the HCC processor

NOTE:8 DIMM configuration is supported only on the XCC processor which is planned as a future release

Table 2. Memory module socketsThis table lists the Memory module sockets of the system.
Memory module sockets		Speed
HCC processor - 4, 288-pin XCC* processor - 8, 288-pin		6400 Mt/s

NOTE:*Feature not available at initial product launch. Refer to the product configurator page on Dell.com to confirm feature availability..