Lenovo System x3850 X6 Product Manual page 19

Table 7. Maximum memory speeds - 2400 MHz TruDDR4 memory
Specification
Rank
Part numbers
Rated speed
Rated voltage
Operating voltage
Maximum quantity*
Largest DIMM
Max memory capacity
Maximum operating speed - Performance mode (2:1 mode - SMI2 link operates at twice the speed shown)
1 DIMM per channel
2 DIMMs per channel
3 DIMMs per channel
Maximum operating speed - RAS mode (1:1 mode - SMI2 link operates at the speed shown)
1 DIMM per channel
2 DIMMs per channel
3 DIMMs per channel
* Maximum quantity supported is shown for all processors that are installed
† This speed is above the Intel standard and is achieved only when Lenovo TruDDR4 memory is used
Table 8. Maximum memory speeds - 2133 MHz TruDDR4 memory
Specification
Rank
Part numbers
Rated speed
Rated voltage
Operating voltage
Maximum quantity*
Largest DIMM
Max memory capacity
Maximum operating speed - Performance mode (2:1 mode - SMI2 link operates at twice the speed shown)
1 DIMM per channel
2 DIMMs per channel
3 DIMMs per channel
Maximum operating speed - RAS mode (1:1 mode - SMI2 link operates at the speed shown)
1 DIMM per channel
2 DIMMs per channel
3 DIMMs per channel
* Maximum quantity supported is shown for all processors that are installed
† This speed is achieved only when Lenovo TruDDR4 memory is used
Lenovo System x3850 X6 (6241)
RDIMMs
Single rank Dual rank
46W0821 (8 GB) 46W0829 (16 GB)
46W0833 (32 GB)
2400 MHz 2400 MHz
1.2 V
1.2 V
96
8 GB
0.75 TB
1600 MHz 1600 MHz
1600 MHz 1600 MHz
1600 MHz 1600 MHz†
1866 MHz 1866 MHz
1866 MHz 1866 MHz
1600 MHz 1600 MHz†
TruDDR4 RDIMMs
Single rank
46W0788 (8 GB)
2133 MHz
1.2 V
1.2 V
96
8 GB
0.75 TB
1600 MHz
1600 MHz
1600 MHz
1866 MHz
1866 MHz
1600 MHz
LRDIMMs
Quad rank
46W0841 (64 GB)
2400 MHz
1.2 V 1.2 V
1.2 V 1.2 V
96 96
32 GB 64 GB
3 TB 6 TB
1600 MHz
1600 MHz
1600 MHz
1866 MHz
1866 MHz
1600 MHz
Dual rank
46W0796 (16 GB)
95Y4808 (32 GB)
2133 MHz
1.2 V
1.2 V
96
32 GB
3.0 TB
1600 MHz
1600 MHz
1600 MHz†
1866 MHz
1866 MHz
1600 MHz†
3DS RDIMMs
Octo rank
00YG941 (128 GB)
2400 MHz
1.2 V
1.2 V
96
128 GB
12 TB
1600 MHz
1600 MHz
1600 MHz
1866 MHz
1866 MHz
1600 MHz
TruDDR4 LRDIMMs
Quad rank
95Y4812 (64 GB)
2133 MHz
1.2 V
1.2 V
96
64 GB
6 TB
1600 MHz
1600 MHz
1600 MHz
1866 MHz
1866 MHz
1600 MHz
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