Dell E21S001, R820 owner manual 1R x8, 1333 MT/s 1R x8, 1600 MT/s A1, A2, B1, B2

NOTE: 1R, 2R, 4R, and 8R in the following tables indicate single-, dual-, quad-, and octal-rank DIMMs.

Table 1. Memory Configurations – Two Processor

System Capacity (in	DIMM Size (in	Number of	Organization and	DIMM Slot Population
GB)	GB)	DIMMs	Speed
2	2	1	1R x8, 1333 MT/s	A1
			1R x8, 1600 MT/s
8	2	4	1R x8, 1333 MT/s	A1, A2, B1, B2
			1R x8, 1600 MT/s
16	2	8	1R x8, 1333 MT/s	A1, A2, A3, A4, B1, B2, B3, B4
			1R x8, 1600 MT/s
32	2	16	1R x8, 1333 MT/s	A1, A2, A3, A4, A5, A6, A7, A8,
			1R x8, 1600 MT/s	B1, B2, B3, B4, B5, B6, B7, B8
32	4	8	1R x8, 1600 MT/s	A1, A2, A3, A4, B1, B2, B3, B4
			1R x8, 1866 MT/s
64	4	16	1R x8, 1600 MT/s	A1, A2, A3, A4, A5, A6, A7, A8,
			1R x8, 1866 MT/s	B1, B2, B3, B4, B5, B6, B7, B8
64	8	8	1R x4, 1600 MT/s	A1, A2, A3, A4, B1, B2, B3, B4
			2R x8, 1600 MT/s
			1R x4, 1866 MT/s
			2R x8, 1866 MT/s
96	4	24	1R x8, 1600 MT/s	A1, A2, oA3, A4, A5, A6, A7,
			1R x8, 1866 MT/s	A8, A9, A10, A11, A12, B1, B2,
				B3, B4, B5, B6, B7, B8, B9,
				B10, B11, B12
96	8	12	1R x4, 1600 MT/s	A1, A2, A3, A4, A5, A6, B1, B2,
			2R x8, 1600 MT/s	B3, B4, B5, B6
			1R x4, 1866 MT/s
			2R x8, 1866 MT/s
128	8	16	1R x4, 1600 MT/s	A1, A2, A3, A4, A5, A6, A7, A8,
			2R x8, 1600 MT/s	B1, B2, B3, B4, B5, B6, B7, B8
			1R x4, 1866 MT/s
			2R x8, 1866 MT/s
128	16	8	2R x4, 1600 MT/s	A1, A2, A3, A4, B1, B2, B3, B4
			2R x4, 1866 MT/s
160	8	20	1R x4, 1600 MT/s	A1, A2, A3, A4, A5, A6, A7, A8,
			2R x8, 1600 MT/s	A9, A11, B1, B2, B3, B4, B5,
			1R x4, 1866 MT/s	B6, B7, B8, B9, B11
			2R x8, 1866 MT/s
160	16 and 8	12	1R x4, 1600 MT/s	A1, A2, A3, A4, A5, A6, B1, B2,
			2R x8, 1600 MT/s	B3, B4, B5, B6

1R x4, 1866 MT/s

2R x8, 1866 MT/s

2R x4, 1600 MT/s

48