Cisco 3945 Integrated Services Router - 2 x SFP (mini-GBIC), 4 x PVDM, 5 x Services Module, 4 x HWIC, 2 x CompactFlash (CF) Card - 3 x 10/100/1000Base-T WAN
Cisco 2951 Integrated Services Router - 1 x SFP (mini-GBIC), 3 x Services Module, 4 x HWIC, 3 x PVDM, 2 x CompactFlash (CF) Card - 3 x 10/100/1000Base-T WAN
Cisco 2921 Integrated Services Router - 4 x HWIC, 1 x SFP (mini-GBIC), 3 x PVDM, 2 x Services Module, 2 x CompactFlash (CF) Card - 3 x 10/100/1000Base-T Network WAN