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Product Overview The Cisco ISR4351-AX/K9 is an Application Experience (AX) integrated services router from the Cisco ISR 4000 Series. Designed for medium-sized branch offices, it combines routing, application optimization, and secure WAN connectivity in one modular platform. With an included AX license, it enables Application Visibility and Control (AVC), Performance Routing (PfR), and WAN optimization (WAAS). The ISR4351-AX/K9 delivers modular scalability, SD-WAN readiness, and QoS-rich performance at 200 Mbps (upgradable to 400 Mbps).
Product Details
Specification
Description
Product Code
ISR4351-AX/K9
Series
Cisco ISR 4000 Series
Form Factor
2RU rack-mountable
Base Performance
200 Mbps (upgradeable to 400 Mbps)
Built-in Interfaces
4 x 1G RJ45, Console, USB
NIM Slots
2 x Network Interface Module slots
SM Slots
2 x Service Module slots
DRAM
4 GB (expandable to 16 GB)
Flash Storage
8 GB (expandable)
Power Supply
Optional dual redundant AC/DC
Software
Cisco IOS XE
AX License Features
AVC, PfR, WAAS, DPI, NBAR2
SD-WAN Support
Yes (with SD-WAN image)
Security Capabilities
IPsec VPN, ZBFW, SSL VPN (with SEC license)
Application Performance
Application-aware QoS and path optimization
High Availability
NSF, ISSU, dual PSU/fans supported
Product Features
Includes AX license for application-aware routing and WAN optimization
Supports NBAR2, NetFlow, WAAS, and Performance Routing (PfR)
Modular design with 2 NIM and 2 SM slots for expansion flexibility
Delivers 200–400 Mbps system throughput, ideal for hybrid WANs
Powered by Cisco IOS XE, enabling SD-WAN, telemetry, and programmability
Redundant power options for enterprise-grade resiliency
Ideal for cloud-access edge, application performance monitoring, and secure WAN routing
Similar Models Comparison
Model
AX License
Max Performance
SD-WAN Ready
NIM/SM Slots
Form Factor
ISR4351-AX/K9
Yes
400 Mbps
Yes
2 / 2
2RU
ISR4451-AX/K9
Yes
2 Gbps
Yes
3 / 2
2RU
ISR4431-AX/K9
Yes
1 Gbps
Yes
2 / 1
1RU
ISR4331-AX/K9
Yes
300 Mbps
Yes
2 / 1
1RU
Latest AX-Enabled ISR Models Comparison
Model
Performance Range
Key AX Features
Best Use Case
ISR4351-AX/K9
200 – 400 Mbps
AVC, WAAS, PfR
Medium branch, cloud & WAN edge
ISR4451-AX/K9
1 – 2 Gbps
Enhanced WAN optimization
Large branch or regional HQ
ISR4331-AX/K9
100 – 300 Mbps
AVC, PfR
Small-to-medium branch deployments
Sinanova specializes in supplying ICT networking equipment from leading brands such as Cisco, Huawei, and Juniper. Our product range includes switches, routers, firewalls, wireless access points and controllers, IP phones, video conferencing solutions, and more. We are committed to delivering original and reliable hardware along with professional ICT solutions—all at competitive prices. Our high-quality service ensures a smooth and hassle-free purchasing experience for our clients.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Exporter,Seller
Year Established:
2025
Total Annual:
50000-3000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Sinanova began as a domestic distributor of Cisco products and an ICT integrator. Over time, the company expanded its portfolio to include Huawei data communication equipment as well as networking solutions from Juniper and Fortinet.
Today, Sinanova specializes in providing a wide range of networ... Sinanova began as a domestic distributor of Cisco products and an ICT integrator. Over time, the company expanded its portfolio to include Huawei data communication equipment as well as networking solutions from Juniper and Fortinet.
Today, Sinanova specializes in providing a wide range of networ...
