-24 gigabits per slot capacity. -Up to 6 ports 10GE X2 or 12 ports 1GE SFP via TwinGig Converter Module. -TwinGig modules must be used in groups of three: ports 1-3 or ports 4-6. -10GBASE-X (X2) and 1GBASE-X (SFP). -Cisco IOS Software Release 12.2(40)SG or later. -IEEE 802.3. -24-gigabit bandwidth is allocated across six 10 Gigabit Ethernet ports (2.5:1). -L2-4 Jumbo Frame support (up to 9216 bytes). -Enterprise and commercial: designed for high-speed backbone, switch-to-switch applications, or small server farms.