Product UPC: 746320609027 The Cisco CSS 11500 Switch Control Module not only governs the entire system, it also contributes to I/O density and flow performance. The SCM comes standard with 2-Gigabit Ethernet ports - supporting small-form factor, pluggable gigabit interface converters (SFP GBICs) - and has a console port and Ethernet port for management. The SCM also features two PCMCIA slots that hold up to two 256-MB Flash memory disks, up to two 512-MB hard disks, or one of each.