Figure 13. High-Speed I/O Architecture - Dell PowerEdge M1000e Technical Manual

Figure 13. High-speed I/O architecture

Fabric B and C are identical, fully customizable fabrics, routed as two sets of four lanes from
mezzanine cards on the server modules to the I/O modules in the back of the chassis. Supported
bandwidth ranges from 1 to 10 Gbps per lane depending on the fabric type used.
PowerEdge M1000e Technical Guide
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