| Model | Zyxel USG FLEX 200 |
| 10/100/1000 Mbps RJ-45 ports | 4 x LAN/DMZ, 2 x WAN, 1 x SFP |
| USB 3.0 ports | 2 |
| Console port | Yes (DB9) |
| SPI firewall throughput | 1,800 Mbps |
| VPN throughput | 450 Mbps |
| VPN IMIX throughput | 160 Mbps |
| IPS throughput | 1,100 Mbps |
| UTM throughput (Anti-Malware and IPS) | 550 Mbps |
| Max. TCP concurrent sessions | 600,000 |
| Recommended gateway-to-gateway IPsec VPN tunnels | 50 |
| Max. concurrent IPsec VPN tunnels | 100 |
| Concurrent SSL VPN users | 60 |
| VLAN interface | 16 |
| SPI firewall throughput | 931 Mbps |
| VPN | IKEv2, IPSec, SSL, L2TP/IPSec |
| Power input | 12 V DC, 2.5 A max. |
| Max. power consumption | 13.3 Watt Max |
| Heat dissipation | 45.38 BTU/hr |
| Packing Dimensions (WxDxH) (mm/in.) | 427 x 247 x 73/ 16.81 x 9.72 x 2.87 |
| Packing Weight (kg/lb.) | 2.23 (W/O bracket) |
| 2.42 (W/ bracket) | |