Dell E21S001, R820 owner manual D9, D10, D11, D12

System Capacity (in	DIMM Size (in	Number of	Organization and	DIMM Slot Population
GB)	GB)	DIMMs	Speed
64	2	32	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,
				C1, C2, C3, C4, C5, C6, C7, C8,
				D1, D2, D3, D4, D5, D6, D7, D8
96	2	48	1R x8, 1333 MT/s	A1, A2, A3, A4, A5, A6, A7, A8,
			1R x8, 1600 MT/s	A9, A10, A11, A12, B1, B2, B3,
				B4, B5, B6, B7, B8, B9, B10,
				B11, B12, C1, C2, C3, C4, C5,
				C6, C7, C8, C9, C10, C11, C12,
				D1, D2, D3, D4, D5, D6, D7, D8,
				D9, D10, D11, D12

64	4	16
96	8	24

128 4 32

128 8 16

192 4 48

192	8	24
256	16	16
384	16	24
512	32	16

1R x8, 1600 MT/s

1R x8, 1866 MT/s

1R x4, 1600 MT/s

2R x8, 1600 MT/s

1R x4, 1866 MT/s

2R x8, 1866 MT/s

1R x8, 1600 MT/s

1R x8, 1866 MT/s

1R x4, 1600 MT/s

2R x8, 1600 MT/s

1R x4, 1866 MT/s

2R x8, 1866 MT/s

1R x8, 1600 MT/s

1R x8, 1866 MT/s

1R x4, 1600 MT/s

2R x8, 1600 MT/s

1R x4, 1866 MT/s

2R x8, 1866 MT/s

2R x4, 1600 MT/s

2R x4, 1866 MT/s

2R x4, 1600 MT/s

2R x4, 1866 MT/s

4R, x4, 1333 MT/s

4R, x4, 1600 MT/s

4R x4, 1866 MT/s

A1, A2, A3, A4, B1, B2, B3, B4, C1, C2, C3, C4, D1, D2, D3, D4

A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6, C1, C2, C3, C4, C5, C6, D1, D2, D3, D4, D5, D6

A1, A2, A3, A4, A5, A6, A7, 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

A1, A2, A3, A4, B1, B2, B3, B4, C1, C2, C3, C4, D1, D2, D3, D4

A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, B11, B12, C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12

A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6, C1, C2, C3, C4, C5, C6, D1, D2, D3, D4, D5, D6

A1, A2, A3, A4, B1, B2, B3, B4, C1, C2, C3, C4, D1, D2, D3, D4

A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6, C1, C2, C3, C4, C5, C6, D1, D2, D3, D4, D5, D6

A1, A2, A3, A4, B1, B2, B3, B4, C1, C2, C3, C4, D1, D2, D3, D4

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