Full specification
Chassis: 2U rack-mountable, 3.5" H × 17.2" W × 18.2" D
Interfaces: 6 x 1GbE SFP ports, 3 x SPA expansion slots
Throughput: 5 Gbps (base), scalable to 10/20/36 Gbps via software license
Memory: 4 GB DRAM (upgradeable to 8/16 GB)
Encryption: IPsec, AES encryption support
Redundancy: Dual power supplies, hardware/software redundancy
Operating System: Cisco IOS XE
Features: VPN support, firewall, deep packet inspection, QoS, MPLS