The Cisco 4000 Series Integrated Services Routers (ISR) revolutionize WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, the routers specifically address the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links, including Multiprotocol Label Switching (MPLS) VPNs and the Internet. New and Refurbished 4451-X ISR with 3 onboard GE, 3 NIM slots, 1 ISC slot, 2 SM slot, 4 GB flash memory default, 4 GB DRAM default with Warranty Part number Cisco ISR4451-X/K9 Aggregate Throughput 1 Gbps to 2Gbps Total onboard WAN or LAN 10/100/1000 ports 4 RJ-45-based ports 4 SFP-based ports 4 Enhanced service-module (SM-X) slot 2 NIM 3 Onboard ISC slot 1 DDRM (data plane) 2 GB (default) / 2 GB (maximum) DDRM (control/services plane) 4 GB (default) / 16 GB (maximum) Flash Memory 8 GB (default) / 32 GB (maximum) Power-supply options Internal: AC, DC (roadmap) and PoE Rack height 2 RU Dimensions (H x W x D) 88.9 x 438.15 x 469.9 mm
