Lenovo System x3650 M5 Product Manual page 14

Table 5 shows the characteristics of the supported DIMMs. Tables 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
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
* Support for 64 GB LRDIMMs is planned for a later date.
** The maximum quantity that is supported is shown for two processors installed.
System x3650 M5
RDIMM
Single rank
46W0784 (4 GB) 46W0792 (8 GB)
46W0788 (8 GB)
2133 MHz 2133 MHz
1.2 V
24
8 GB
192 GB 192 GB
64 GB 64 GB
2133 MHz 2133 MHz
2133 MHz 2133 MHz
1600 MHz 1600 MHz
Dual rank
46W0796 (16 GB)
2133 MHz
1.2 V 1.2 V
24 24
8 GB 16 GB
384 GB
256 GB
2133 MHz
2133 MHz
1866 MHz
LRDIMM
Quad rank
46W0800 (32 GB)
95Y4812 (64 GB)*
2133 MHz
1.2 V
24
64 GB
1.5 TB
512 GB
2133 MHz
2133 MHz
1866 MHz
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