Cisco Catalyst WS-C3750X-24S-E 24-Port Gigabit Ethernet 1 RU IP Services Switch

Downlink Port Type – 24x Gigabit SFP Ethernet ports. Cisco Catalyst WS-C3850-48XS-S 48x 10G SFP+ Layer 3 IP Base Switch. Cisco Catalyst WS-C2960XR-24TD-I 24 x 10/100/1000 Port Switch. Uplink Port Type – Network Module.

eBay