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If memory rank sparing is used, then a minimum of one quad-rank DIMM or two single-rank or dual-rank DIMMs
must be installed per populated channel (the DIMMs do not need being identical). In rank sparing mode, one
rank of a DIMM in each populated channel is reserved as spare memory. The size of a rank varies depending
on the DIMMs installed.
The following table lists memory options available for the x3550 M4 server.
Table 6. Memory options
Part
number
Feature
code
Description
Maximum
supported
Standard
models
where used
RDIMMs - 1600 MHz
00D5024
A3QE
4GB (1x4GB, 1Rx4, 1.35V) PC3L-12800 CL11 ECC
DDR3 1600MHz LP RDIMM
24 (12 per CPU)
A3x, B3x
00D5036
A3QH
8GB (1x8GB, 1Rx4, 1.35V) PC3L-12800 CL11 ECC
DDR3 1600MHz LP RDIMM
24 (12 per CPU)
53x, C3x, C5x,
D3x, F3x
RDIMMs - 1866 MHz
00D5020
A3QD
4GB (1x4GB, 1Rx4, 1.5V) PC3-14900 CL13 ECC
DDR3 1866MHz LP RDIMM
24 (12 per CPU)
-
00D5032
A3QG
8GB (1x8GB, 1Rx4, 1.5V) PC3-14900 CL13 ECC
DDR3 1866MHz LP RDIMM
24 (12 per CPU)
23x, 33x, 43x,
73x, 83x, G3x,
H3x, J3x, L3x,
M3x
00D5040
A3QJ
8GB (1x8GB, 2Rx8, 1.5V) PC3-14900 CL13 ECC
DDR3 1866MHz LP RDIMM
24 (12 per CPU)
-
00D5048
A3QL
16GB (1x16GB, 2Rx4, 1.5V) PC3-14900 CL13 ECC
DDR3 1866MHz LP RDIMM
24 (12 per CPU)
-
LRDIMMs
46W0761
A47K
32GB (1x32GB, 4Rx4, 1.5V) PC3-14900 CL13 ECC
DDR3 1866MHz LP LRDIMM
24 (12 per CPU)
-
System x3550 M4 (E5-2600 v2) (withdrawn product)
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