Cisco WS-X4548-GB-RJ45 - Catalyst 4500 Enhanced 48-Port 10/100/1000 Base-T (RJ-45) Linecard Retail $129.00
Cisco WS-X6148-RJ-45 - Cisco 7600 Ethernet Module / Catalyst 6500 48-Port 10/100, Upgradable to Voice, RJ-45 Retail $129.00