Cisco · Routers
Cisco ISR 4000 Series Integrated Services Routers
IOS-XE branch routers with NIM / SM modules and SD-WAN capability. Replacement path for ISR G2.
5 part numbers · Supplied as: New, Refurbished · 4 in stock now
Refurbished and fully supported. This model is no longer sold new by the manufacturer — we supply tested refurbished units, spares, repair and AMC cover to keep your network running. Planning an upgrade? The current replacement is Cisco Catalyst 8200 / 8300 Edge Platforms.
Models & part numbers
| Part number | Built-in interfaces | Expansion | Status | Supply | Quote |
|---|---|---|---|---|---|
| ISR4321/K9 | 2 × 1G (1 × SFP) | 2 × NIM slots | In stock | New, Refurbished | |
| ISR4331/K9 | 3 × 1G (2 × SFP) | 2 × NIM + 1 × SM slot | In stock | New, Refurbished | |
| ISR4351/K9 | 3 × 1G (2 × SFP) | 3 × NIM + 2 × SM slots | New, Refurbished | ||
| ISR4431/K9 | 4 × 1G (SFP / RJ45) | 3 × NIM slots | In stock | New, Refurbished | |
| ISR4451-X/K9 | 4 × 1G (SFP / RJ45) | 3 × NIM + 2 × SM slots | In stock | New, Refurbished |
Specifications are summary values; confirm exact configuration and licensing on quotation.
Upgrade path
More Cisco routers
Cisco · Routers
1800 Series Integrated Services Routers
3 part numbers · 1 in stock
Cisco · Routers
1900 Series Integrated Services Routers (ISR G2)
4 part numbers · 3 in stock
Cisco · Routers
2800 Series Integrated Services Routers
4 part numbers · 2 in stock
Cisco · Routers
2900 Series Integrated Services Routers (ISR G2)
4 part numbers · 2 in stock