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ISR4461/K9
Cisco ISR 4461 with 4 onboard GE, 3 NIM slots, 1 ISC slot, 3...
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ISR1/K9 is a modular integrated services router engineered for high performance, featuring redundant AC power options and multiple WAN/LAN interfaces that enable secure, unified communications and data services. It integrates advanced VPN capabilities, firewall protection, and built‐in WAN optimization to deliver reliable throughput and enhanced network performance in demanding enterprise environments.
This router supports robust modular expansion with EHWIC/NIM slots, ensuring flexible integration of voice, video, and security services in addition to routing protocols such as OSPF, BGP, and EIGRP. Designed for enterprise branch deployments, ISR1/K9 offers superior redundancy, high throughput capacity of up to 2 Gbps, and comprehensive integrated services to meet modern connectivity and performance requirements.
ISR4461/K9 price is $17,401.00, a 47.1% saving from the Cisco list price of $32,924.00. ISR4461/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ISR4461/K9 for additional pricing. Browse the full Router Isr 4000 series or explore all Cisco products.
In a national retail chain, deploying Cisco ISR 4461 with 4 onboard GE ports, 3 NIM slots for 4G LTE backup, 1 ISC slot for content security, and 3 SM slots for SFP uplinks—backed by 8 GB flash, 2 GB data-plane DRAM, and 4 GB control-plane DRAM—enables up to 4 Gbps of encrypted SD-WAN traffic. Benefit: 40% reduction in MPLS costs, sub-50 ms failover, and centralized management via Cisco DNA Center.
A financial services data center uses Cisco ISR 4461 to consolidate multi-site VPN, firewall, and intrusion prevention. Four onboard GE ports handle LAN trunking, 3 NIM slots host encryption accelerators, 1 ISC slot runs Firepower services, and 3 SM slots provide SFP uplinks. With 8 GB flash, 2 GB data-plane DRAM, and 4 GB control-plane DRAM, it delivers 3 Gbps of SSL VPN and IPS throughput. Outcome: 50% rack-space savings, PCI-DSS compliance, and unified policy enforcement.
In a smart factory, Cisco ISR 4461 serves as an IoT edge gateway using 4 onboard GE ports for sensor networks, 3 NIM slots for wireless modules, 3 SM slots for fiber-optic machine links, and 1 ISC slot for edge analytics. Equipped with 8 GB flash, 2 GB data-plane DRAM, and 4 GB control-plane DRAM, it processes real-time telemetry and enforces segmentation. Outcome: 30% faster anomaly detection, enhanced OT security, and a 25% boost in production uptime.
Mon–Fri: [09:00-16:00]
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| ISR4461/K9 |  C1-CISCO4331/K9 |  ISR4351-DNA |  C1-CISCO4321/K9 |  ISR4321-AXV/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Fixed |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC, CE, RoHS | FCC, CE | FCC / CE | FCC / CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | EHWIC / NIM | NIM / EHWIC | EHWIC | NIM / EHWIC | NIM / EHWIC |
| Features | VPN / Firewall / IPv6 Compatible | VPN, Voice, Video, Integrated Services, Firewall | VPN / Firewall / Voice / Video / WAN Optimization | VPN / VoIP / IPv6 Compatible / Firewall / WAN Optimization | Mesh / VPN / VoIP / IPv6 Compatible / Firewall / MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 2 GB | 256 MB | 512 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount / Desktop |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45, SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | Modular LAN | Modular LAN | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 4 GB | 1 GB | 512 MB |
| Modular Slots Available | 3+ Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6 | OSPF, BGP, EIGRP, RIP, MPLS | IPv4 / IPv6 | IPv4, IPv6 | IPv4, IPv6 |
| Power | 350 W | 115W | 115W | 110 W | 54 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply with Redundant Options | AC Power Supply / Redundant |
| Product Name | Cisco ISR 4461/K9 Integrated Services Router | Cisco 4331 Integrated Services Router | Cisco ISR4351-DNA | Cisco 4321 Integrated Services Router (C1-CISCO4321/K9) | Cisco ISR4321-AXV/K9 |
| Product Type | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / Telnet / SNMP | Cisco SDM, SSH, Telnet | CLI / SNMP / Cisco DNA Center | SSH / Telnet / SNMP | SSH, Telnet, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | Yes | No | No | Yes |
| Throughput Capacity | 2 Gbps | 100 Mbps | 1 Gbps | 0.15 Gbps | 200 Mbps |
| Use Case | Enterprise | Enterprise / Branch | Enterprise | Enterprise | Enterprise / Branch |
| VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | Modular WAN | 2 WAN | 2 WAN |
| Wireless Support | No | No | No | No | No |
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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
High performance ISR with excellent scalability. Handles demanding workloads effortlessly.
Powerful routing platform with plenty of expansion options. Very stable.
Cisco 4461 delivered strong throughput and reliability in our network.
Ideal for large branches needing performance and flexibility.
Enterprise grade router with predictable results.
The Cisco ISR 4461 is a high-performance branch router delivering up to 2 Gbps of aggregate throughput, advanced security, and modular flexibility for enterprise WAN and SD-WAN deployments.
The ISR 4461 features four onboard Gigabit Ethernet (GE) ports to support high-speed LAN connectivity out of the box.
It offers three Network Interface Module (NIM) slots, one Integrated Services Card (ISC) slot, and three Service Module (SM) slots for versatile interface and service upgrades.
By default, the router ships with 8 GB Flash memory, 2 GB of data-plane DRAM, and 4 GB of control-plane DRAM for reliable performance.
The ISR 4461 delivers up to 2 Gbps of aggregate forwarding throughput, suitable for bandwidth-intensive branch office applications.
It runs Cisco IOS XE, a modular, Linux-based operating system that supports advanced security, automation, and programmability features.
Yes, the ISR 4461 is fully compatible with Cisco SD-WAN, enabling centralized policy management, secure transport over multiple links, and zero-touch provisioning.
Common use cases include branch office routing, WAN aggregation, secure internet gateway, unified communications, and cloud application optimization.
Yes, both Flash memory and DRAM are field-upgradeable to meet evolving performance and feature demands.
The ISR 4461 supports dual internal power supplies with AC or DC modules to ensure high availability and redundancy.
Integrated security includes Zone-Based Firewall, IPS, VPN, Secure Boot, Trust Anchor Technologies, and Flexible Packet Matching.
You can manage it via CLI, Cisco DNA Center, Cisco Prime Infrastructure, or RESTful APIs for seamless automation and monitoring.
Cisco SMARTnet service contracts provide 24×7 technical support, software updates, and next-business-day hardware replacement.
Use the CLI initial setup wizard or Cisco Configuration Professional to configure basic routing, interfaces, and security policies in minutes.
It supports optional NIM modules for WAN, cellular, security, plus service modules for voice, application optimization, and network analytics.
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