Dell M820 owner manual Memory Configurations Four Processors

System Capacity	DIMM Size (in	Number of	Organization and	DIMM Slot Population
(in GB)	GB)	DIMMs	Speed
			2R x4, 1600 MT/s
256	16	16	2R x4, 1333 MT/s	A1, A2, A3, A4, A5, A6, A7,
			2R x4, 1600 MT/s	A8, B1, B2, B3, B4, B5, B6,
				B7, B8
384	16	24	2R x4, 1333 MT/s	A1, A2, A3, A4, A5, A6, A7,
			2R x4, 1600 MT/s	A8, A9, A10, A11, A12, B1,
				B2, B3, B4, B5, B6, B7, B8,
				B9, B10, B11, B12
512	32	16	4R, x4, 1066 MT/s	A1, A2, A3, A4, A5, A6, A7,
				A8, B1, B2, B3, B4, B5, B6,
				B7, B8
768	32	24	4R, x4, 1066 MT/s	A1, A2, A3, A4, A5, A6, A7,
				A8, A9, A10, A11, A12, B1,
				B2, B3, B4, B5, B6, B7, B8,
				B9, B10, B11, B12
Table 4. Memory Configurations – Four Processors
System Capacity	DIMM Size (in	Number of	Organization and	DIMM Slot Population
(in GB)	GB)	DIMMs	Speed
8	2	4	1R x8, 1333 MT/s	A1, B1, C1, D1
			1R x8, 1600 MT/s
16	2	8	1R x8, 1333 MT/s	A1, A2, B1, B2, C1, C2, D1,
			1R x8, 1600 MT/s	D2
24	2	12	1R x8, 1333 MT/s	A1, A2, A3, B1, B2, B3, C1,
			1R x8, 1600 MT/s	C2, C3, D1, D2, D3
40	2	20	1R x8, 1333 MT/s	A1, A2, A3, A4, A5, B1, B2,
			1R x8, 1600 MT/s	B3, B4, B5, C1, C2, C3, C4,
				C5, D1, D2, D3, D4, D5
64	2	32	1R x8, 1333 MT/s	A1, A2, A3, A4, A5, A6, A7,
			1R x8, 1600 MT/s	A8, B1, B2, B3, B4, B5, B6,
				B7, B8, C1, C2, C3, C4, C5,
				C6, C7, C8, D1, D2, D3,
				D4, D5, D6, D7, D8
64	4	16	2R x4, 1333 MT/s	A1, A2, A3, A4, B1, B2, B3,
			2R x4, 1600 MT/s	B4, C1, C2, C3, C4, D1,
				D2, D3, D4
96	2	48	1R x8, 1333 MT/s	A1, A2, A3, A4, A5, A6, A7,
				A8, A9, A10, A11, A12, B1,

59