FlexStack-Plus is the name of the stacking technology used by the Cisco Catalyst 2960-X and 2960-XR Series switches. FlexStack-Plus is specific to the 2960-X and 2960-XR Series of switches.
Table 1 shows that with C2960X-STACK, the 2960-X and 2960-XR can support:
|Bidirectional stack bandwidth
|Hot-swappable stack module
|Max stack members