Cisco 4321 Router - Refurbished - 2 Ports - 2 RJ-45 Port(s) - Management Port - 4 Network Interface Module (NIM), Integrated Services Card (ISC), SFP (mini-GBIC) Slots - 4 GB - Gigabit Ethernet - 1U - Rack-mountable, Wall Mountable, Desktop - 90 Day: