CISCO
Cisco WS-X4306-GB Catalyst 4500 Gigabit Ethernet Module 6 Port
Cisco WS-X45-SUP6-E Cat4500 E-Series Sup 6-E 2x 10GE(X2) w/Twin Gig
Cisco WS-X45-SUP6L-E Cat4500 E-Series Sup 6-E Lite,2x10GEX2 w/Twin Gig
Cisco WS-X45-SUP8-E Supervisor Engine 8-E Control Processor
Cisco WS-X45-SUP8L-E Catalyst 4500E Series Supervisor Engine,560 Gbps
Cisco WS-X4548-GB-RJ45 Catalyst 4500 48 Port Gigabit Switching Module
Cisco WS-X4548-GB-RJ45V Catalyst Switching Module 48 Port
Cisco WS-X4648-RJ45-E Catalyst 4500E Series 48 Port line Cards Switch
Cisco WS-X4648-RJ45V-E Catalyst 4500 E-Series 48-Port GE PoE Module
Cisco WS-X4648-RJ45V+E Catalyst 4500 E-Series 48-port GE refurbished.
Cisco WS-X4712-SFP-E Line Card E-Series Switch 12 x Gigabit SFP Plug-In Module
Cisco WS-X4712-SFP+E Catalyst Line Card E-Series Switch 12 Ports. Ref