Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and inexpensively field-upgradeable as customer requirements change.Offered is a bundle of one 2924M XL-EN and two 2924 XL-EN switches, making 56-port Stack Pack.