Amazon.com: 6COM 1.25G SFP-T, Gigabit SFP to RJ45 Copper SFP Transceiver, 1000Base-T Module for Cisco GLC-T/SFP-GE-T, TP-Link, Netgear, Supermicro and Other Open Switch : Electronics
Cisco Catalyst 6500 Series Ethernet Module WS-X6904-40G-2T
Catalyst 6500 Switch - Cisco 6500 Switches
CISCO WS-X6516A-GBIC - Catalyst 6500 16-port GigE Mod, fab