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ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports

  • Brand: Cisco
  • Model: ISR4351-V/K9
Rating:
93%
4.7/5.0
17 Reviews
List Price: $18,598.00
84% OFF
$2,965.00
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ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports
ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports US$2,965.00
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    ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports

    ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports

    100% Genuine Ready to Ship
    $18,598.00
    84% OFF
    $2,965.00
    Overview
    Specification
    Reviews
    Q&A
    Warranty
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    Overview
    End-of-Life Notice
    End-of-Life Notice
    ISR4351-V/K9 is officially EOL. Service support ends on 2028-11-30.
    For full lifecycle details, see ISR4351-V/K9 EOL.
    Recommended Replacement
    Recommended Replacement
    Official replacement model. Aligned with current deployment environments.
    C8300-2N2S-6T

    Cisco ISR4351-V/K9 Overview

    The Cisco ISR4351-V/K9 is an enterprise-class integrated services router designed for converged branch networking with built-in voice capabilities. Delivering 200Mbps to 400Mbps aggregate throughput, it supports demanding WAN services for distributed offices across Asia, Europe, Africa, and North America. Three 10/100/1000 RJ‑45 ports and three SFP-based ports provide flexible WAN/LAN connectivity for SMB integrators and distributors, while modular NIM and service-module slots simplify scalable deployments and lifecycle upgrades.

    Product Highlights

    400Mbps
    WAN Speed
    3GE+3SFP
    Flex Ports
    3 NIM
    Modular I-O

    Product Components Breakdown

    Front Panel of the Product:

    ISR4351-V/K9 front Panel
    LEDs
    Represents
    Color
    Description
    PSU0
    Power Supply Unit (P0 and P1) Status
    Green
    PSU is on and is providing power.
    Amber
    PSU is on but with errors or in a failure condition.
    Off
    Power supply is turned off.
    POE0
    POE PSU
    Green
    PoE is on and providing power.
    Amber
    PoE is in a failed condition.
    Off
    PoE supply is not present.
    Green
    PSU is installed and providing power
    Amber
    PSU is installed but in a failure condition.

    Rear Panel of the Product:

    ISR4351-V/K9 Back Panel
    ①
    USB Type A port
    ⑦
    SFP port (GE 0/0/0)
    ②
    GE management port
    ⑧
    RJ-45 port (GE/0/0/2)
    ③
    USB Type B mini port
    ⑨
    NIM slots
    ④
    Auxiliary port
    ⑩
    Ground connection
    ⑥
    RJ-45 port (GE 0/0/1)

    Product Applications Scenarios

    Enterprise Network
    The ISR4351-V/K9 aggregates MPLS, broadband, or leased lines with integrated voice, cutting branch connectivity and PBX costs by up to 30% for multi-site enterprises.
    Cloud Services
    Secure VPN and modular WAN options let regional integrators connect branches to public or private clouds, improving SaaS performance and uptime for users.
    Edge & IoT
    Flexible NIM slots and serial/USB ports support IoT backhaul and protocol gateways, reducing field integration effort by up to 25% in industrial edge sites.

    Product Features Comparison

      Cisco Cisco Cisco Cisco
    Model ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports ASR1002-5G/K9, Cisco ASR 1000 Router, 5Gbps throughput/Base Bundle/No license C2911-WAASX/K9, Cisco 2900 Series Router, WAAS Express, Integrated Services, Bundle ASR1004-20G-VPN/K9, Cisco ASR 1000 Router, 20Gbps throughput/VPN bundle/Integrated Services
    Brand Cisco Cisco Cisco Cisco
    Routing Throughput 200Mbps to 400Mbps Maximum Throughput: 36 Gbps n/a Bandwidth: 20 Gbps
    Interface Configuration 3GE,3NIM,2SM,3 SFP-based ports, 3 RJ-45-based ports Interface Ports: 4 built-in 10/100/1000 Ethernet ports LAN Interfaces: 3 x 10Base-T/100Base-TX/1000Base-T (RJ-45) Interfaces: Management and USB; Expansion Slots: 1 processor board, 11 expansion slots
    Supported Protocol n/a Routing Protocols: OSPF, EIGRP, BGP, IS-IS Routing Protocols: OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing Network / Transport Protocol: IPSec
    VPN Capability n/a VPN Support: Yes, with dedicated hardware assist Key Features: VPN support Capacity: Concurrent IPSec VPN tunnels: 10,000
    Integrated Features Voice Bundle; OIR (all I/O modules); Internal: AC, DC, and PoE Network Security: Integrated services with firewall, IPsec, EoMPLS Key Features: Firewall protection, MPLS support, Syslog support, IPv6 support, CBWFQ, WRED Features: NAT support, VPN support, load balancing, IPv6 support, NSF, SSO, QoS, NetFlow

    Optional Add-ons

    Model Number Description
    PWR-4430-POE-1KW Cisco 1,000W PoE AC power supply for ISR 4000 Series branch routers
    NIM-2GE-CU-SFP Cisco dual-port Gigabit Ethernet RJ-45/SFP combo NIM for ISR 4000 expansion
    PVDM4-64 Cisco 64-channel PVDM4 DSP module enabling rich voice on ISR 4000 routers

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Cisco ISR4351-V/K9 Specification

    Model
    ISR4351-V/K9
    Brand
    Cisco
    Description
    Cisco ISR4351-V/K9 (3GE,3NIM,2SM,4G FLASH,4G DRAM,Voice Bundle)
    Aggregate Throughput
    200Mbps to 400Mbps
    Total onboard WAN or LAN 10/100/1000 ports
    3
    RJ-45-based ports
    3
    SFP-based ports
    3
    Enhanced service-module slots
    2
    Doublewide service-module slots
    1 (assumes no singlewide SM-X modules installed)
    NIM slots
    3
    OIR (all I/O modules)
    Yes
    Onboard ISC slot
    1
    Default memory DDR3 ECC DRAM (combined control/services/data planes)
    4GB
    Maximum memory DDR3 ECC DRAM (combined control/services/data planes)
    16GB
    Default memory DDR3 ECC DRAM (data plane)
    NA
    Maximum memory DDR3 ECC DRAM (data plane)
    NA
    Default memory DDR3 ECC DRAM (control/services plane)
    NA
    Maximum memory DDR3 ECC DRAM (control/services plane)
    NA
    Default flash memory
    4GB
    Maximum flash memory
    16GB
    External USB 2.0 slots (Type A)
    2
    USB console port (Type B mini, up to 115.2 kbps)
    1
    Serial console port (RJ-45, up to 115.2 kbps)
    1
    Serial auxiliary port (RJ-45, up to 115.2 kbps)
    1
    Power-supply options
    Internal: AC, DC, and PoE
    Redundant power supply
    N/A
    AC input voltage
    100 to 240 VAC autoranging
    AC input frequency
    47 to 63 Hz
    AC input current range, AC power supply (maximum)
    7.1 to 3.0 A
    AC input surge current
    60 A peak and less than 12 Arms per half cycle
    Typical power (no modules)
    48W
    Maximum power with AC power supply
    430W
    Maximum power with PoE power supply (platform only)
    990W
    Maximum endpoint PoE power available from PoE power supply
    500W
    Weight
    20.88 kg

    Get more information

    Discover unbeatable prices and fast shipping for the ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports . Access the detailed ISR4351-V/K9, Cisco ISR 4000 Router, 400Mbps throughput/3 WAN-LAN/3 SFP ports datasheet and ensure you're getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via live chat or email us at [email protected].

    Quality Certifications

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    Q&A

    Questions & Answers

    Are there alternative products to the ISR4351-V/K9 in the Cisco 4000 ISR series?

    Yes, alternatives like ISR4331, ISR4321, and ISR4451 are available, each offering different throughput and port configurations.

    What are the available accessories for the ISR4351-V/K9?

    Accessories for the ISR4351-V/K9 include additional service modules, SFP transceivers, rack-mount kits, and power supply options.

    How can I troubleshoot common issues with the ISR4351-V/K9?

    For common issues, refer to the Cisco ISR4351-V/K9 user manual, Cisco's online support, or use the built-in diagnostic tools to resolve problems.

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    Yes, router-switch.com only sells 100% genuine products from authorized brands. As a multi-brand authorized distributor, all items are sourced through official channels and include valid manufacturer warranties. Customers may verify authorization via brand websites or request certification documents.

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