Lenovo System x3850 X6 Quick Start Manual page 6

Table 1 shows the characteristics of the supported DIMMs and the memory speeds.
Table 1 Characteristics of the supported DIMMs and the memory speeds
DIMM
Specification
Ranks Single-rank DIMM
Part number 00D5024 (4 GB)
00D5036 (8 GB)
Rated speed
Rated voltage
Operating voltage 1.35 V
Maximum quantity
supported
Maximum DIMM
capacity
Maximum memory
capacity
Maximum operating speed: Independent (Performance) mode
1 DIMM/channel 1333 MHz
2 DIMMs/channel 1333 MHz
3 DIMMs/channel 1066 MHz
Maximum operating speed: Lockstep (RAS) mode
1 DIMM/channel 1333 MHz
2 DIMMs/channel 1333 MHz
3 DIMMs/channel 1066 MHz
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Lenovo System x3850 X6 and x3950 X6 Quick Start Guide
RDIMM
Dual-rank DIMM
46W0672 (16 GB)
1600 MHz 1600 MHz
1.35 V
1.5 V 1.35 V
96
8 GB
768 GB
1333 MHz 1333 MHz
1333 MHz 1333 MHz
1333 MHz 1066 MHz
1600 MHz 1333 MHz
1600 MHz 1333 MHz
1333 MHz 1066 MHz
4R LR-DIMM
46W0676
(32 GB)
1600 MHz
1.35 V 1.35 V
1.5 V 1.35 V
96
16 GB 32 GB
1.5 TB 3 TB
1333 MHz 1333 MHz
1333 MHz 1333 MHz
1333 MHz 1333 MHz
1600 MHz 1333 MHz
1600 MHz 1333 MHz
1333 MHz 1333 MHz
LR-DIMM
8R LR-DIMM
46W0741
(64 GB)
1333 MHz
1.35 V
1.5 V 1.35 V
96 96
64 GB
6 TB
1333 MHz 1333 MHz
1333 MHz 1333 MHz
1333 MHz 1333 MHz
1600 MHz 1333 MHz
1600 MHz 1333 MHz
1333 MHz 1333 MHz
1.5 V
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz