DEC3920 OPNsense® Rack Security Appliance

DEC3920 Enterprise Performance Security Appliance

The Deciso DEC3920 is the entry model in the DEC3900 Series, offering serious enterprise firewall performance in a compact 1U rackmount appliance. Designed for high-throughput environments, redundant deployments and performance-driven networks, it provides an excellent balance of speed, security and value.

Powered by an 8-core platform with 16GB DDR5 memory and 512GB SSD storage, the DEC3920 is well suited to demanding business networks that need strong firewall, VPN, routing and threat protection performance without stepping up to the redundant power models.

Performance Highlights

• Up to 36.8Gbps Firewall Throughput
• 3.07 Million Packets Per Second
• Up to 9Gbps Port-to-Port Throughput
• Up to 12.5Gbps IPsec VPN Throughput
• Up to 2.8Gbps OpenVPN DCO Throughput
• Up to 4.2Gbps WireGuard Throughput
• Up to 7.9Gbps Threat Protection Throughput
• Supports up to 15 Million Concurrent Sessions

Flexible High-Speed Connectivity

• 4 x 2.5GbE RJ45 Ports
• 2 x 10Gb SFP+ Ports
• USB-C Port
• Console Port
• Support for VLANs, Multi-WAN and advanced routing

Built for OPNsense

As official Deciso hardware, the DEC3920 is designed, manufactured and supported by the team behind OPNsense®. It comes pre-installed with OPNsense and includes a complimentary 1-year OPNsense Business Edition subscription.

Included OPNsense Business Edition

The included 1-year OPNsense Business Edition subscription gives access to commercial firmware repositories, OPNcentral™, Web Application Firewall, Proxy Access, Extended Blocklists and the Integrated GeoIP database.

The DEC3920 is ideal for organisations that need enterprise-class firewall performance, high-speed connectivity and official OPNsense hardware, while keeping the hardware specification focused and cost-effective.