Zyxel

Zyxel USG FLEX 50H 2.0 Gbps Firewall UTM VPN Cloud Managed (Boxed)

SKU 36008 Brand Zyxel EAN13 4718937638222
Zyxel USG FLEX 50H enterprise firewall with 2.0 Gbps throughput, cloud management, VPN/UTM security, and 5 Gigabit ports for SMBs.
Routers - Device Type Wired Gateway
Routers - Special Features Cloud Managed Failover Support Firewall Intrusion Prevention Load Balancing PoE Support Traffic Monitoring VLAN Support VPN Support
Routers - LAN Ports 5-8
Routers - Wi-Fi Standard Wired Only

The Zyxel USG FLEX 50H is a high-performance network security appliance designed for small to mid-sized businesses requiring enterprise-grade firewall protection. Part of the USG FLEX H series, this device delivers 2.0 Gbps SPI firewall throughput, 500 Mbps VPN throughput, and 600 Mbps UTM throughput with advanced multi-layered security powered by Zyxel's AI cloud architecture. The appliance features 5 software-defined 1GbE ports that can be configured as WAN or LAN, supporting flexible network topologies with link aggregation and VLAN support for up to 8 interfaces.

Cloud management through the Nebula portal enables centralized security policy control, real-time monitoring, and SD-VPN orchestration without requiring internet connectivity for offline configuration and firmware updates. The device supports 20 IPsec VPN tunnels, 15 SSL VPN users, and 100,000 concurrent TCP sessions, making it suitable for organizations with up to 25 users. Security features include built-in IPS (1,000 Mbps throughput), anti-malware protection, web filtering, DNS/IP/URL reputation filtering, and optional sandboxing through the Gold Security Pack license. The compact fanless design includes optional PoE+ support (50HP variant) and operates reliably in temperatures from 0°C to 40°C.

  • 2.0 Gbps SPI firewall throughput with 1,000 Mbps IPS and 600 Mbps UTM throughput
  • 5x 1GbE software-defined ports with load balancing and active-backup failover
  • 20 IPsec tunnels and 15 SSL VPN users with IKEv2, SSL, and Tailscale VPN support
  • Cloud-managed via Nebula portal with offline-capable setup and firmware updates
  • 100,000 concurrent sessions and 8 VLAN interfaces for enterprise scalability
  • AI-powered multi-layered security with reputation filtering and optional Gold Security Pack
TypeWired Gateway / Network Security Appliance
SPI Firewall Throughput2,000 Mbps (2.0 Gbps)
IPS Throughput1,000 Mbps
Anti-Malware Throughput600 Mbps
UTM Throughput (Anti-Malware & IPS)600 Mbps
VPN Throughput500 Mbps
Ethernet Ports5x 1GbE RJ-45 (software-defined WAN/LAN)
PoE Ports1 (HP variant only)
Console PortYes (RJ45)
USB PortYes (USB 3.0)
Concurrent IPsec VPN Tunnels20
Concurrent SSL VPN Users15
VLAN Interfaces8
Max TCP Concurrent Sessions100,000
Recommended User CapacityUp to 25 users
VPN ProtocolsIKEv2, IPsec, SSL, Tailscale
Encryption StandardsDES, 3DES, AES (256-bit), MD5, SHA-1, SHA-2 256-bit, TLS 1.3
Security FeaturesSPI Firewall, IPS, Anti-malware, Web Filtering, DNS/IP/URL Reputation Filtering, SSL Inspection, Cloud Sandboxing, Content Filtering
ManagementNebula Cloud Portal, Web Interface, SNMP, HTTP, HTTPS
Offline CapabilityYes - offline configuration and firmware updates via FTP
Operating Temperature0°C to 40°C
Operating Humidity10% to 90% (non-condensing)
DesignCompact fanless
Managed APs SupportUp to 12 managed APs
License Included1-Year Gold Security Pack (anti-malware, sandboxing, web filtering, IPS, full UTM)
SKUUSGFLEX50H-USAM01F