The following S series fixed switches support cards: S3700-HI, S5710-C-LI, S5700-SI (except the S5700-26X-SI-12S-AC), S5700-EI, S5710-EI, S5720-C-EI, S5720-PC-EI, S5700-HI, S5710-HI, S5720-HI, and S6720-EI series switches.
Cards must be installed on corresponding switches based on the mapping between them. If a card is installed on an incompatible switch, the card cannot register.
You can use Hardware Query Tool to query the card models supported by specified switches.
Link aggregation configuration has no restrictions on the card specifications of S series modular switches. Inter-card link aggregation is supported on S series modular switches. For the detailed requirements, see the right pane.