| Model | Zyxel USG FLEX 500H + Bundled 1 year for all License and services |
| Hardware Specifications : | |
| Network interfaces | 8 x 100M/1G Ethernet (RJ-45) |
| 4 x 100M/1G/2.5G Ethernet (RJ-45) | |
| IEEE 802.3at (PoE+) Port 3, 4 (2.5G) | |
| Total PoE budget 30 Watts | |
| USB 3.0 Type-A | 1 |
| Console port | Yes (RJ-45) |
| Rack-mountable | Yes |
| Fanless | No |
| System Capacity & Performance : | |
| SPI firewall throughput (Mbps)*2 | 10,000 |
| VPN throughput (Mbps)*3 | 2,000 |
| IPS throughput (Mbps)*4 | 4,500 |
| Anti-Malware throughput (Mbps)*4 | 3,000 |
| UTM throughput (Anti-Malware and IPS)*4 | 3,000 |
| Max. TCP concurrent sessions*5 | 1,000,000 |
| Max. concurrent IPSec VPN tunnels*6 | 300 |
| Recommended gateway-to-gateway IPSec VPN tunnels | 150 |
| Concurrent SSL VPN users | 150 |
| VLAN interface | 64 |
| Speedtest Performance : | |
| SPI firewall throughput (Mbps)*7 | 938.1 (Mbps) |
| Key Features : | |
| Nebula Centralized Management | Yes |
| Device HA | Yes |
| Link Aggregation (LAG) | Yes |
| Concurrent devices logins (max.) | 500 |
| Burst login rate (users/30sec) | 220 |
| Power Requirements : | |
| Power input | 19V DC, 4.736A |
| Max. power consumption (Watt max.) | 68 Watt |
| Heat dissipation (BTU/hr) | 211.3 BTU/hr |
| Environmental Specifications : | |
| Operating | Temperature 0°C to 40°C/32°F to 104°F |
| Humidity 10% to 90% (non-condensing) | |
| Storage | Temperature'-30°C to 70°C/'-22°F to 158°F |
| Humidity 10% to 90% (non-condensing) | |
| Physical Specifications : | |
| Item | Dimensions (WxDxH) : 300 x 182 x 43.5/11.81 x 7.17 x 1.71 mm/in |
| Weight : 1.64/3.62 kg/lb. | |
| Packing | Dimensions (WxDxH) : 350 x 149 x 244/13.78 x 5.87 x 9.61 mm/in |
| Weight : 2.93/6.46 kg/lb | |
| Included accessories | • Power adapter & Power cord |
| • RJ-45 to RS-232 cable for console connection | |
| • Rack mounting kit |