Cisco ISR4431/K9
ISR 4431 4GE 3NIM 8G FLASH 4G DRAM IPB
Key facts
The Cisco ISR4431/K9 is a router listed on tprice.co. Prology AU currently offers it refurbished from AUD 453. Prology US currently offers it refurbished from USD 322. RRP AUD 33,401.81≈ USD 23,413 (Oct 2026). Request a quote for volume pricing, or sell us your used routers.
Overview
ISR 4431 4GE 3NIM 8G FLASH 4G DRAM IPB
The Cisco 4000 Family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, it specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links, including Multiprotocol Label Switching (MPLS) VPNs and the Internet.
- With Gigabit Ethernet, retrieve up to 10x faster than standard Ethernet connectivity and provides high-performance
- Rack-mountable feature for convenient and safe installation of the router
- Features management port for a reliable networking
- With 10/100/1000Base-T technology, get up to 1000 mbps data transfer rate over twisted pair cable
- Built-in power supply to ensure all components are being supplied with accurate voltage
- Create a wired network with all the PCs connected with this router and share your Internet connection as well as files while checking emails
Specifications
General
- Memory Technology
- DRAM
- Compatible Rack Unit
- 1U
- Network Technology
- 10/100/1000Base-T
- Ethernet Technology
- Gigabit Ethernet
- VoIP Supported
- Yes
- Expansion Slot Type
- SFP
Network Interface Module (NIM)
- Total Number of Expansion Slots
- 8.0
- Token Ring Port
- No
- USB
- Yes
- Number of Network (RJ-45) Ports
- 4
- Powerline
- No
- Management Port
- Yes
- Total Number of Ports
- 4
- Input Voltage
- 230 V AC
120 V AC
- Power Source
- Power Supply
- PoE (RJ-45) Port
- No
- Product Type
- Router
Manufacturer Website Address
- Manufacturer
- Cisco Systems, Inc
- Product Model
- 4431
- Product Name
- 4431 Router
- Product Series
- 4000
- Brand Name
- Cisco
Price history
- Latest
- AUD 33,401.81≈ USD 23,413
- Oct 2026
- Lowest recorded
- AUD 33,401.81≈ USD 23,413
- Highest recorded
- AUD 33,401.81≈ USD 23,413
- Recorded
- 2026
- 1 price point
- RRP
- Prology AU
- Prology US
- List price
Why buy from Prology
- Tested before dispatchEvery item is checked by our technicians before it ships.
- Warranty includedParts are covered by a Prology warranty – ask us for the terms.
- Fast shippingDispatched from our Australian and US locations.
- Real people, quick repliesQuotes and answers within 1 business day.
Request a quote for ISR4431/K9
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.