Cisco ISR4431-K9

Key Features & Benefits

1. Performance & Throughput

• Built with dedicated multi-core CPU for separate control, data and service planes

• Base throughput: 300 Mbps

• With performance license: 800 Mbps

• With boost license: Up to 4 Gbps

• Large default memory: 4 GB DRAM / 4 GB Flash, upgradeable to 16 GB each

2. Fixed Onboard Ports

• 3 × Gigabit Ethernet ports:

• 1 × Combo GE (RJ45 / SFP)

• 1 × GE RJ45

• 1 × GE SFP

• Ready for fiber or copper WAN/LAN connections without extra modules

3. Modular Expansion Slots

• 2 × NIM slots: Support T1/E1, VDSL/ADSL, 4G LTE, 1G/10G Ethernet modules

• 1 × SM-X slot: For high-density switching, service modules, UCS E-series compute

• 1 × ISC slot: For voice DSP, security and integrated service cards

• High modularity for flexible WAN, LAN, voice and service expansion

4. Security & SD-WAN

• Embedded IOS Firewall, IPS, IPsec / SSL VPN, MACsec

• Cisco TrustSec segmentation

• Fully SD-WAN / IWAN ready for hybrid WAN, multi-path intelligent routing and cloud access

5. Voice & Unified Communications

• Support PVDM4 DSP modules for VoIP, video conferencing, transcoding

• Integrated QoS, NBAR2 application recognition for voice/video priority

6. Reliability & Deployment

• 1U rack form factor

• Internal AC power supply, low power consumption

• Hot-swappable fans and modularity for easy maintenance

Technical Specifications