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Cisco Small Business ISR4331/K9 Router 3 x 10/100/1000Mbps LAN Ports
- USB Ports (type A): 1
- Integrated WAN ports: 1 GE / SFP, 1 GE, 1 SFP
- Default/max DRAM: 4 GB / 16 GB
- Default/max Flash: 4 GB / 16 GB
- Performance: 100 Mbps Upgradeable to 300 Mbps