3com S7900E 24-Port 1000BASE-X (SFP) & 2-Port 10GBASE-X (XFP) Module Internal 0.1Gbit/s network switch component

S7900E 24-Port 1000BASE-X (SFP) & 2-Port 10GBASE-X (XFP) Module Wire-Speed 10-Gigabit and Gigabit Fiber Combo Module
This module provides 2 ports of non-blocking 10-Gigabit Ethernet using XFPs, plus 24 ports of non-blocking Gigabit using SFPs.

-Two media-rate 10-Gigabit ports, using XFPs.
-24 media-rate Gigabit ports, using SFPs.
-Supports both 100BASE-FX and 1000BASE-X SFPs in the Gigabit ports.