Lenovo System x3550 M5 Product Manual page 13

The following table shows the characteristics of the supported DIMMs. Table cells highlighted with a gray
background indicate when the number of DIMMs per channel still allows the DIMMs to operate at a rated
speed.
Table 5. Maximum memory speeds and capacities
DIMM specification
Rank
Part numbers
Rated speed
Rated voltage
Maximum quantity supported**
Maximum DIMM capacity
Maximum memory capacity
Maximum memory at rated
speed
Maximum operating speed
1 DIMM per channel
2 DIMMs per channel
3 DIMMs per channel
** The maximum quantity that is supported is shown for two processors installed.
The following table lists memory options available for the x3550 M5 server.
Table 6. Memory options
Part Feature
number code
RDIMMs - 2133 MHz
46W0784 A5B6
46W0788 A5B5
46W0792 A5B8
46W0796 A5B7
95Y4808 A5UJ
LRDIMMs - 2133 MHz
46W0800 A5B9
95Y4812 A5UK
Lenovo System x3550 M5 (E5-2600 v3)
Single rank
46W0784 (4 GB)
46W0788 (8 GB)
2133 MHz
1.2 V
24
8 GB
192 GB
128 GB
2133 MHz
2133 MHz
1600 MHz
Description
4GB TruDDR4 Memory (1Rx8, 1.2V) PC4-
17000 CL15 2133MHz LP RDIMM
8GB TruDDR4 Memory (1Rx4, 1.2V) PC4-
17000 CL15 2133MHz LP RDIMM
8GB TruDDR4 Memory (2Rx8, 1.2V) PC4-
17000 CL15 2133MHz LP RDIMM
16GB TruDDR4 Memory (2Rx4, 1.2V) PC4-
17000 CL15 2133MHz LP RDIMM
32GB TruDDR4 Memory (2Rx4, 1.2V) PC4-
17000 CL15 2133MHz LP RDIMM
32GB TruDDR4 Memory (4Rx4, 1.2V)
PC417000 CL15 2133MHz LP LRDIMM
64GB TruDDR4 Memory (4Rx4,1.2V) PC4-
17000 CL15 2133MHz LP LRDIMM
RDIMM
Dual rank
46W0792 (8 GB) 46W0796 (16 GB)
95Y4808 (32 GB)
2133 MHz 2133 MHz
1.2 V
24
8 GB
192 GB 768 GB
128 GB 512 GB
2133 MHz 2133 MHz
2133 MHz 2133 MHz
1600 MHz 1866 MHz
Maximum
supported
24 (12 per
CPU)
24 (12 per
CPU)
24 (12 per
CPU)
24 (12 per
CPU)
24 (12 per
CPU)
24 (12 per
CPU)
24 (12 per
CPU)
LRDIMM
Quad rank
46W0800 (32 GB)
95Y4812 (64 GB)
2133 MHz
1.2 V 1.2 V
24 24
32 GB 64 GB
1.5 TB
1 TB
2133 MHz
2133 MHz
1866 MHz
Standard models where
used
-
-
A2x, B2x
62x, C2x, C4x, D2x, F2x,
G2x, H2x, J2x, L2x, M2x,
N2x, P2x, Q2x
-
-
-
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