SKU: CIS:ISR4451-X/K9++ · MPN: CIS:ISR4451-X/K9++ · Category: Networking

| RAM | 8GB DRAM (default), upgradable to 16GB |
|---|---|
| MTBF | 350,000 hours |
| Warranty | Limited lifetime warranty |
| Protocols | IPv4, IPv6, MPLS, VPN, IPsec, DMVPN, GETVPN |
| Compliance | RoHS, FCC, CE |
| Dimensions | 17.3 x 19.5 x 1.72 inches |
| Interfaces | 4 integrated 1 GE ports, 3 NIM slots, 2 SM slots, 1 ISC slot |
| Management | CLI, Web UI, SNMP, NETCONF |
| Performance | Up to 1 Gbps aggregate throughput |
| VPN Support | IPsec, SSL VPN |
| Flash Memory | 8GB Flash (default), upgradable to 32GB |
| Model Number | ISR4451-X/K9++ |
| Power Supply | Dual Integrated Power Supplies |
| Expansion Slots | 3 Network Interface Module (NIM) slots, 2 Service Module (SM) slots |
| Security Features | Built-in hardware encryption, Firewall, Secure Boot |
| Storage Temperature | -40 to 158??F (-40 to 70??C) |
| Operating Temperature | 32 to 104??F (0 to 40??C) |
| Voice and Video Support | SIP, H.323, MGCP |
| Quality of Service (QoS) | Advanced QoS with Hierarchical Queuing |
| Relative Humidity (Storage) | 5% to 95% non-condensing |
| Relative Humidity (Operational) | 5% to 85% non-condensing |
| Warranty | 3-Year Warranty |
Yes, this ISR4451-X/K9++, Cisco ISR 4451 Router, 4xGE ports/2xSFP slots/Integrated VPN (CIS:ISR4451-X/K9++) is 100% genuine OEM hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This ISR4451-X/K9++, Cisco ISR 4451 Router, 4xGE ports/2xSFP slots/Integrated VPN includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the CIS:ISR4451-X/K9++.