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2: System Overview
System Configurations
The Origin 3900 server supports a wide range of system configurations to serve your
computing needs (see Table 2-1). The Origin 3900 server scales in 4-processor increments
and in two Cx-brick increments. (The Cx-bricks do not have to be fully populated with
processors.) The Origin 3900 server also supports a memory-only Cx-brick that enables
you to increase the amount of memory without increasing the number of processors.
Table 2-1 Configuration Specifications
System Size Maximum Number
of Processors Maximum Amount
of Memory in GB Required Number
of Metarouters Required Number
of Racks*
1 Cx-brick 16 32 0 1
2 Cx-bricks 32 64 0 1
4 Cx-bricks 64 128 0 1
6 Cx-bricks 96 192 2 1 or 2
8 Cx-bricks 128 256 2 2
10 Cx-bricks 160 320 4 2 or 3
12 Cx-bricks 192 384 4 2 or 3
14 Cx-bricks 224 448 4 3 or 4
16 Cx-bricks 256 512 4 3 or 4
18 Cx-bricks 288 576 18 5 or 6
20 Cx-bricks 320 640 18 5 or 6
22 Cx-bricks 352 704 20 5 or 6
24 Cx-bricks 384 768 20 5 or 6
26 Cx-bricks 416 832 22 6
28 Cx-bricks 448 896 22 6
30 Cx-bricks 480 960 24 6
32 Cx-bricks 512 1024 24 6
* This number does not include I/O and storage racks.