| Firewall throughput | 2300 Mbit/s |
| VPN throughput | 810 Mbit/s |
| Heat dissipation | 82.23 BTU/h |
| Noise level | 41.5 dB |
| Mean time between failures (MTBF) | 529688 h |
| Certification | DCC, CE, C-Tick, LVD |
| Number of VPN connections | 500 |
| Concurrent SSL/VPN connections (maximum) | 150 |
| VPN tunnels quantity | 300 |
| Number of VLANs | 64 |
| Security algorithms | IPSEC, SSL/TLS |
| VPN support | IKEv2, IPSec, SSL, L2TP/IPSec |
| URL filtering | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 7 |
| Number of console ports | 1 |
| SFP module slots quantity | 1 |
| Rack mounting | Yes |
| Form factor | 1U |
| Built-in fan | Yes |
| Input current | 4.17 A |
| Power consumption (max) | 24.1 W |
| Harmonized System (HS) code | 85176990 |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -30 - 70 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 10 - 90% |
| Width | 300 mm |
| Depth | 188 mm |
| Height | 44 mm |
| Weight | 1.65 kg |
| Package width | 351 mm |
| Package height | 152 mm |
| Package depth | 245 mm |
| Package weight | 2.83 kg |
| Rack mount kit | Yes |
| Bundled software | 1 year UTM |
| Description |
| Zyxel USG Flex 500. Firewall throughput: 2300 Mbit/s, VPN throughput: 810 Mbit/s. Heat dissipation: 82.23 BTU/h, Noise level: 41.5 dB, Mean time between failures (MTBF): 529688 h. Security algorithms: IPSEC, SSL/TLS, VPN support: IKEv2, IPSec, SSL, L2TP/IPSec. Form factor: 1U. Input current: 4.17 A, Power consumption (max): 24.1 W |