| Product Type | Integrated Services Router |
| Model | Cisco ISR 4331 |
| Form Factor | 1U rack-mountable |
| Processor | Multicore x86 (Intel Xeon 8-core) |
| Flash Memory | 4 GB |
| System Memory (DRAM) | 4 GB |
| Storage Capacity | SPI-NAND up to 8 GB (upgradeable) |
| Performance (Base) | 100 Mbps (upgradable to 300 Mbps with Performance License) |
| Default Throughput | 100 Mbps |
| Performance with License | Up to 300 Mbps |
| Power Requirements | Internal AC or DC power supply |
| Power Supply Type | Redundant power supply support (Optional RPS) |
| Power Consumption (Typical) | 60 Watts |
Cisco ISR 4331 Router with DNA Support, 3 GE, 2 NIM Slots

Key Benefits
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- Designed for scalable deployments with modular NIM and ISC slots supporting evolving network needs
- Secure routing with built-in DES and AES encryption, ideal for enterprise and government installations
- TAA compliant and backed by a 90-day limited liability warranty, suitable for regulated procurement environments
Product Overview
The Cisco ISR 4331 with DNA support is a high-performance integrated services router built for flexible branch deployments. It features 3 GE ports, 2 NIM slots, and 1 ISC slot in a space-saving 1RU form factor. Powered by an 8-core Intel Xeon processor with 4 GB Flash Memory and 4 GB DRAM, it ensures efficient network throughput. The router supports IPv4/IPv6, RIP and RIPv2 protocols, and includes DES and AES encryption for secure communications. It is TAA compliant and produced in Mexico, making it suitable for federal-grade installations.
Specifications
Product Overview
Wireless Features
| Wireless Support | Optional via NIM modules |
| Wi-Fi Standards | |
| Antenna |
Compliance & Origin
| Country of Origin | Mexico |
| TAA Compliant | Yes |
| Certifications | FCC Part 15 Class A, ICES-003, UL/CSA 60950-1, CE Marking, VCCI Class A, RoHS |
Advanced Security Features
| Firewall Support | Integrated Zone-Based Firewall |
| VPN Support | IPSec, SSL VPN, DMVPN, GETVPN |
| Encryption Standards | DES, 3DES, AES-128, AES-256 |
| Intrusion Prevention System (IPS) | Supported via Cisco IOS Security License |
| Content Filtering | Cisco Umbrella integration (via license) |
| Advanced Malware Protection | Cisco AMP support (subscription required) |
| TrustSec Support | Yes |
Interfaces
| Total WAN/LAN Ports | 3 x GE (RJ-45 or Combo SFP) |
| WAN Ports | 2 x GE (RJ-45 or SFP combo) |
| LAN Ports | 1 x GE (RJ-45) |
| Integrated Network Interface Module (NIM) Slots | 2 |
| Service Module (SM) Slot | 1 |
| Enhanced High-Speed WAN Interface Card (EHWIC) Slots | None (NIMs used instead) |
| USB Ports | 1 x USB 2.0 Type-A, 1 x USB 3.0 Type-A |
| Console Ports | 1 x RJ-45 Console, 1 x USB Console |
| Auxiliary Port | 1 x RJ-45 |
Physical & Environmental
| Dimensions (H x W x D) | 1.75 x 17.2 x 17.5 in (4.45 x 43.7 x 44.5 cm) |
| Rack Units | 1U |
| Weight | Approximately 12 lbs (5.44 kg) |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Non-Operating Temperature | -40°F to 158°F (-40°C to 70°C) |
| Operating Humidity | 10% to 85% RH non-condensing |
| Non-Operating Humidity | 5% to 95% RH non-condensing |
| Altitude | Up to 10,000 ft (3,000 m) |
Cloud Management & Licensing
| Management Interface | Cisco DNA Center, CLI, SNMP, Web UI |
| Licensing Model | Cisco DNA (subscription-based) and Network Essentials/Advantage perpetual license |
| DNA Software Tier | DNA Essentials or DNA Advantage (depending on licensing) |
| Smart Licensing Support | Yes |
| Cloud Support | Cisco vManage, DNA Center |