Cisco WS-X6748-GE-TX - Cisco 7600 Ethernet Module / Catalyst 6500 48-port 10/100/1000 GE Mod: fabric enabled, RJ-45 Retail $159.00
Cisco WS-X6148-RJ-45 - Cisco 7600 Ethernet Module / Catalyst 6500 48-Port 10/100, Upgradable to Voice, RJ-45 Retail $129.00