Used ZyXEL ZyWALL 110 VPN Firewall with rack mount ears and power block. Working pull. Private sale. I used this on my home system for about a year before upgrading to a larger model. Great condition. 

Interfaces 4 x LAN/DMZ, 2 x WAN, 1 x OPT with 2 x USB Ports

SPI firewall throughput(Mbps) 1,600
VPN throughput (Mbps) 400
Max. TCP concurrent sessions 150,000
Max. concurrent IPSec VPN tunnels 100
Concurrent SSL VPN users (default/max.)50 / 150
Maximum VLAN interfaces 16
Concurrent devices logins (default/max.) 200 / 300