Catalyst 4900M 20-port 10/100/1000 RJ-45 half card
Cisco WS-X4920-GB-RJ45=, Silver, Catalyst 4900M, 1 Gbit/s, Wired, Ethernet, Fast Ethernet, Gigabit Ethernet, 188 x 209 x 49 mm
Cisco WS-X4920-GB-RJ45=. Product colour: Silver, Compatibility: Catalyst 4900M. Data transfer rate: 1 Gbit/s, Connectivity technology: Wired, Network interface: Ethernet, Fast Ethernet, Gigabit Ethernet. Dimensions (WxDxH): 188 x 209 x 49 mm, Weight: 700 g. Compatible operating systems: Cisco IOS