Specifications
General Information
- Product Model: 4331
- Series: Cisco 4000 Series
- Product Type: Router
- SKU/MPN: ISR4331/K9
- Manufacturer: Cisco Systems, Inc.
Interfaces & Ports
- Total Ports: 3
- Network (RJ-45) Ports: 2
- USB Ports: Yes
- Management Port: Yes
- Powerline / Token Ring / Serial V.35 Interfaces: No
Expansion Slots
- Total Expansion Slots: 6
- Slot Types:
- SFP
- Network Interface Module (NIM)
- Integrated Services Card (ISC)
Network & Communication
- Ethernet Technology: Gigabit Ethernet
- Network Standards: 10/100/1000Base-T
Security & Management
- Security Features:
- IPsec, VPN, SSL
- Advanced Application Inspection
- Application Control, SSH
- NAC, DMVPN, GET VPN
- Flex VPN, NBAR
- AAA, PKI, ACL
- Voice/Video Enabled VPN
- IOS XE-based traffic control
Memory
- Standard Memory: 4 GB DDR3 SDRAM
- Maximum Memory: 16 GB
- Flash Memory: 4 GB
Power
- Input Voltage: 120/230 V AC
- Power Source: Internal Power Supply
- PoE Ports: Not supported
Dimensions & Weight
- Width: 17.3 in
- Depth: 17.3 in
- Height: 1.8 in
- Weight: 11 lbs


