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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

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Every shipment is delivered directly to your address — regardless of country or carrier.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
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Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
ISR4351-SEC/K9
200Mbps-400Mbps system throughput, 3 WAN/LAN ports...
$6,318.39
13 in Global Warehouse
$6,318.39
56% off
Name: |
ISR4351-SEC/K9 |
Description: | 200Mbps-400Mbps system throughput, 3 WAN/LAN ports, 3 SFP ports, multi-Core CPU,2 service module slots, Security, VPN, WAAS, Intelligrnt WAN, OnePK, AVC |
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GTIN: | 98378689927 ![]() |
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List Price: |
![]() $14,359.97 |
Price: |
$6,318.39 56% off |
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Shipping as per your need
Same-day Shipping

Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.

Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.

International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines

Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
14-Day Money Back Guarantee
Free 14-Day Returns

Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement

Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
ISR4351-SEC/K9
200Mbps-400Mbps system throughput, 3 WAN/LAN ports...
$6,318.39
32 in Global Warehouse
$6,318.39
56% off
TRUSTED, TRIED, PROVEN







ISR4351-SEC/K9 Overview
ISR4351-SEC/K9 is a high-performance branch router engineered with a modular architecture that integrates advanced security and unified communications services. Designed for enterprise and business use cases, it offers multiple power options including AC with redundancy, robust WAN/LAN interfaces featuring dual WAN and four LAN ports, and built-in VPN capabilities with IPSec, SSL VPN, DMVPN, and FlexVPN support to securely connect distributed networks.
ISR4351-SEC/K9 delivers excellent throughput capacity with gigabit Ethernet performance, ensuring reliable connectivity and low latency for mission-critical applications. It includes integrated services such as voice, video, and WAN optimization; supports high availability through redundant power supply; and provides flexible expansion with two modular slots for additional interface modules, making it an ideal choice for secure branch connectivity and enterprise deployments.
What is the price of ISR4351-SEC/K9?
Lowest price of ISR4351-SEC/K9 is $ 6,318.39. Shop now discounts with bulk quotation for ISR4351-SEC/K9
ISR4351-SEC/K9 Specifications
Product Type | Enterprise Router |
VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN |
Power Source | AC Power Supply / Redundant |
Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
Broadband | N/A |
Architecture | Modular |
WAN Configuration | Dual WAN |
WAN Ports | 2 WAN |
LAN Ports | 4 LAN Ports |
Ethernet Technology | 10/100/1000 |
Wi-Fi Standard | N/A |
Connectivity Type | Wired |
Network Protocols | IPv4 / IPv6 |
Remote Management | SSH / Telnet / SNMP |
Compliance Standards | FCC / CE |
Wireless Support | No |
Speed/Capacity | Gigabit |
Firewall Features | Yes |
Features | VPN / IPv6 Compatible / Firewall / Integrated Security |
Use Case | Enterprise / Business |
Management | Managed |
Form Factor | Rack-mount |
Integrated Services | Voice / Video / WAN Optimization |
High Availability Support | Supported |
Safety | N/A |
EMC | N/A |
Telecom | N/A |
Throughput Capacity | 0.075 Gbps |
QoS Features | Supported |
Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection |
Expansion Slots | EHWIC / NIM |
Modular Slots Available | 2 Slots |
Stacking Capability | No |
5G Support | No |
Memory | 1 GB |
Flash Memory | 256 MB |
Interface Ports | RJ-45 / SFP |
Power | 150 W |
Device Type | Router |
Product Name | Cisco ISR4351 Integrated Services Router with Enhanced Security (ISR4351-SEC/K9) |
Height | 1.73 inches |
Width | 17 inches |
Depth | 15 inches |
Weight | 14 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Industrial Router | Enterprise Router |
Connectivity Type | Wired | Wired | Wired | Wired | Wired |
Broadband | N/A | N/A | N/A | LTE | Fiber Optic / DSL / 4G / 5G / LTE |
Power Source | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant |
Architecture | Fixed | Modular | Modular | Fixed | Modular |
WAN Configuration | WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
WAN Ports | 1 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
LAN Ports | 4 LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports | 8 LAN Ports |
Ethernet Technology | 10/100 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
Wireless Support | No | No | No | Yes | No |
Speed/Capacity | 100 Mbps | N/A | Gigabit | Gigabit | Gigabit |
Routing Protocols Supported | - | - | - | - | - |
VPN Support | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN |
Firewall Features | Yes | Yes | Yes | Yes | Yes |
Features | VPN / NAT / QoS / Firewall | VPN / VoIP / Integrated Services / Firewall | VPN / IPv6 Compatible / Firewall / Integrated Security | VPN / IPv6 Compatible / Firewall / QoS / Redundancy | VPN, Firewall, IPv6 Compatible, QoS, WAN Optimization |
Use Case | Enterprise Branch | Enterprise / Business | Enterprise / Business | Industrial / Enterprise | Enterprise |
Management | Managed | Managed | Managed | Managed | Managed |
Form Factor | Desktop | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
Integrated Services | Voice / Video / Security | Voice | Voice / Video / WAN Optimization | Voice / Video | Voice, Video, WAN Optimization |
High Availability Support | Supported | Supported | Supported | Supported | Supported |
Throughput Capacity | 20 Mbps | 75 Mbps | 0.075 Gbps | 100 Mbps | 10 Gbps |
QoS Features | Supported | Supported | Supported | Supported | Supported |
Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection |
Expansion Slots | N/A | EHWIC | EHWIC / NIM | NIM | NIM, SM-X |
Modular Slots Available | N/A | 2 Slots | 2 Slots | 2 Slots | 3+ Slots |
Stacking Capability | No | No | No | No | Yes |
5G Support | No | No | No | No | Yes |
Memory | 256 MB | 256 MB | 1 GB | 1 GB | 4 GB |
Flash Memory | 128 MB | 128 MB | 256 MB | 256 MB | 512 MB |
Interface Ports | RJ-45 | RJ-45 | RJ-45 / SFP | RJ-45 / SFP | RJ-45, SFP |
Device Type | Router | Router | Router | Router | Router |
Product Name | CISCO887-K9 | Cisco 2851 Integrated Services Router (UC) | Cisco ISR4351 Integrated Services Router with Enhanced Security (ISR4351-SEC/K9) | IR829M-LTE-EA-EK9 | ESR-PRE4 Integrated Enterprise Router |
Height | N/A | N/A | 1.73 inches | 2.50 inches | 2 inches |
Width | N/A | N/A | 17 inches | 9.90 inches | 17 inches |
Depth | N/A | N/A | 15 inches | 8.50 inches | 18 inches |
Weight | N/A | N/A | 14 lbs | 8.6 lbs | 20 lbs |
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