The Cisco ISR4331/K9-RF is a professionally remanufactured Integrated Services Router delivering 100-300 Mbps throughput with 3 Gigabit Ethernet ports, supporting application-aware networking and WAN optimization for branch office deployments. It features 4GB Flash memory, 4GB DRAM, 2 NIM expansion slots, and 1 SM slot for flexible modular configuration. This remanufactured unit meets original Cisco specifications and includes comprehensive hardware inspection and testing.
3 x Gigabit Ethernet (10/100/1000Base-T)
2 x NIM slots for network expansion
1 x SM slot for service modules
6 x total expansion slots
4GB Flash memory (default)
4GB DRAM (default)
Throughput: 100-300 Mbps
1U rack-mountable form factor
Desktop and wall-mount capable
Height: 1.8 inches
Width: 17.3 inches
Depth: 17.3 inches
Weight: 11 lb (approximately 5 kg)
Power supply integrated
Management port included
Limited 1-year warranty
Remanufactured/Certified condition