Dell T310 manual System, Memory, Dimm, Capacity, Type

Dell

	System
System	Memory	DIMM	DIMM	NUM
Capacity	Speed	TYPE	Capacity	DIMM
8 GB	1333	U	4GB	2
8 GB	1066	U	2GB	4
8 GB	1333	U	2GB	4
8 GB	1066	R	2GB	4
8 GB	1066	R	4GB	2
8 GB	1333	R	2GB	4
12GB	800	R	2GB	6
12GB	800	R	2GB	6
16 GB	1066	U	4GB	4
16 GB	1333	U	4GB	4
16 GB	800	R	4GB	4
32 GB	800	R	8GB	4

DT processor supports U-DIMM only.

PowerEdge T310 Technical Guide 39