Dell PowerEdge R820, Owner'S Manual

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System Capacity (in
GB)
DIMM Size (in
GB)
Number of
DIMMs
Organization and
Speed
DIMM Slot Population
128 4 32
2R x4, 1333 MT/s
2R x4, 1600 MT/s
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
128 8 16
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, A4, B1, B2, B3, B4,
C1, C2, C3, C4, D1, D2, D3, D4
192 4 48
2R x4, 1333 MT/s
2R x4, 1600 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, C1, C2, C3, C4, C5,
C6, C7, C8, C9, C10, C11, C12,
D1, D2, D3, D4, D5, D6, D7, D8,
D9, D10, D11, D12
192 8 24
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, A4, A5, A6, B1, B2,
B3, B4, B5, B6, C1, C2, C3, C4,
C5, C6, D1, D2, D3, D4, D5, D6
256 16 16
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, A4, B1, B2, B3, B4,
C1, C2, C3, C4, D1, D2, D3, D4
384 16 24
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, A4, A5, A6, B1, B2,
B3, B4, B5, B6, C1, C2, C3, C4,
C5, C6, D1, D2, D3, D4, D5, D6
512 32 16
4R, x4, 1333 MT/s
A1, A2, A3, A4, B1, B2, B3, B4,
C1, C2, C3, C4, D1, D2, D3, D4
768 32 24
4R x4, 1333 MT/s
A1, A2, A3, A4, A5, A6, B1, B2,
B3, B4, B5, B6, C1, C2, C3, C4,
C5, C6, D1, D2, D3, D4, D5, D6
1024 32 32
4R x4, 1066 MT/s
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
1536 32 48
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, C1, C2, C3, C4, C5,
C6, C7, C8, C9, C10, C11, C12,
D1, D2, D3, D4, D5, D6, D7, D8,
D9, D10, D11, D12
Removing Memory Modules
WARNING: The memory modules are hot to the touch for some time after the system has been powered down.
Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges
and avoid touching the components or metallic contacts on the memory module.
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