Lenovo System x3850 X6, Quick Start Manual

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