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Cisco ISR4351/K9 Integrated Services Router (4300 Series) - Refurbished
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20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
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The Cisco 4000 Series Integrated Services Routers (ISR) revolutionize WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, the routers specifically address the growing need for application-aware networking in distributed enterprise sites.
Features
- 3 Onboard GE
- Concurrent software services at speeds up to 2 Gbps
- 2 Rack Units (2RU)
- Embedded IWAN solution
- Support for multiple, diverse access links: T1/E1, T3/E3, Serial, xDSL, Gigabit and Ten-Gigabit Ethernet.
- Network Ports : 3x 1 Gigabit Ethernet RJ-45
- Uplink Ports : Copied from https://www.networktigers.com 3x 1 Gigabit Ethernet SFP
- Management Ports : 1x RJ-45 serial console; 1x Gigabit RJ-45 Management, 1x Mini-USB Type B console, 1x AUX, 2x USB 2.0
- Module Slots and Options : 3x NIM (EHWIC) slots, 2x Service Module (SM) slots, 1x PVDM slot, 1x Onboard ISC slot - modules ordered separately
- DRAM : 4 GB (installed) / 16 GB (max)
- Flash : 4 GB (installed) / 16 GB (max)
Included
- Cisco ISR4351/K9 Integrated Services Router (4300 Series)
Refurbished
| Functionality |  |
|---|---|
| Cosmetics |  |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
ISR4351/K9 Integrated Services Router Technical Specs
| Manufacturer | Cisco |
|---|---|
| Model | ISR4351/K9 |
| Number of Ports | 8 (RJ-45/SFP) |
| Port Type | RJ-45 SFP |
| Port Speed | Gigabit Ethernet |
| Power Over Ethernet (PoE) | Yes |
| Rackmountable | Yes |
| Dimensions (WxDxH) | 17.25" x 18.5" x 3.5" |
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.
