Lenovo Flex System X6 Compute Node Panduan Produk - Halaman 15

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All DIMMs in all processor memory channels operate at the same speed, which is determined as the
lowest value of the following components:
o
The memory mode used: Performance (independent) mode or RAS (lockstep) mode.
o
Memory speed that is supported by a specific processor.
o
Lowest of maximum operating speeds for selected memory configuration, depending on the rated
speed, operating voltage, and quantity of DIMMs per channel, as shown under the "Maximum
operating speed" section in the following table.
The following table shows the characteristics of the supported DIMMs. Tables cells that are highlighted
with a gray background indicate that the server supports higher memory frequencies or larger memory
capacity (or both) than the Intel processor specification defines.
Memory speed: In performance mode, memory channels operate independently, and the SMI2 link
operates at twice the DDR3 speed. In RAS mode, two channels operate synchronously, and the SMI2 link
operates at the DDR3 speed.
Table 8. Maximum memory speeds
DIMM
specification
Rank
Part numbers
Rated speed
Rated voltage
Operating voltage
Max qty supported*
Max DIMM capacity
Max memory capacity
Maximum operating speed - Performance mode (2:1 mode - SMI2 link operates at twice the DDR3 speed that
is 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 DDR3 speed that is shown)
1 DIMM per channel
2 DIMMs per channel
3 DIMMs per channel
* Maximum quantity that is supported is shown for all the processors that are installed.
Flex System X6 Compute Node (7903)
RDIMM
Single rank
00D5024 (4GB)
46W0672 (16GB)
00D5036 (8GB)
1600 MHz
1.35 V
1.35 V
1.5 V
1.35 V
96
96
96
8 GB
8 GB
16 GB
0.75 TB
0.75 TB
1.5 TB
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1066 MHz
1333 MHz
1066 MHz
1333 MHz
1600 MHz
1333 MHz
1333 MHz
1600 MHz
1333 MHz
1066 MHz
1333 MHz
1066 MHz
Dual rank
Quad rank
46W0676 (32GB)
1600 MHz
1600 MHz
1.35 V
1.35 V
1.5 V
1.35 V
96
96
16 GB
32 GB
1.5 TB
3 TB
1333 MHz 1333 MHz 1333 MHz
1333 MHz 1333 MHz 1333 MHz
1333 MHz 1333 MHz 1333 MHz
1600 MHz 1333 MHz 1600 MHz
1600 MHz 1333 MHz 1600 MHz
1333 MHz 1333 MHz 1333 MHz
LRDIMM
8-rank
46W0741 (64GB)
1333 MHz
1.35 V
1.5 V
1.35 V
1.5 V
96
96
96
32 GB
64 GB
64 GB
3 TB
6 TB
6 TB
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
1333 MHz
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