| Models | DEC4240 | DEC4280 | 
|  |   |   | 
| Software |  |  | 
| Preinstalled software | OPNsense® | OPNsense® | 
| License | Open Source + 1 year free Business Edition
 | Open Source + 1 year free Business Edition
 | 
| Hardware Specifications |  |  | 
| SFP28 Ports [25Gbps] | 0 | 4 | 
| SFP+ Ports [10Gbps] | 4 | 4 | 
| GbE RJ45 Ports [ 100/1000/2500Mbps ] | 4 | 4 | 
| USB 3.0 Ports | 1 | 1 | 
| Console Port | 1 | 1 | 
| Internal Storage | 1TB M.2. Solid State Flash | 1TB M.2. Solid State Flash | 
| Memory | 64GB DDR4 | 64GB DDR4 | 
| CPU Cores | 8 (max frequency 3.1Ghz) | 16 (max frequency 3.1Ghz) | 
| Virtual Interfaces (802.1q VLANS)1 | 4093 | 4093 | 
| System Performance |  |  | 
| Firewall Throughput | 21.1Gbps | 60Gbps | 
| Firewall Packets Per Second | 1760Kpps | 5000Kpps | 
| Maximum Firewall Port to Port Throughput | 9Gbps | 21Gpbs | 
| Firewall Port to Port Packets Per Second | 122000 | 1450Kpps | 
| Concurrent Sessions | 63000000 | 63000000 | 
| New Connections Per Second | 50000 | 50000 | 
| Firewall Latency (average) | 100us | 100us | 
| Firewall Policies (Recommended Maximum)1 | 10000 | 10000 | 
| IPsec VPN Throughput (AES256GCM16) | 2.5Gbps | 2.5Gbps | 
| IPsec VPN Packet Per Second (AES256GCM16) | 220Kpps | 220Kpps | 
| Threat Protection Throughput Packet Per Second | 291Kpps | 625Kpps | 
| Threat Protection Throughput | ~3.5Gpbs | ~7.5Gbps | 
| High Availability with State Synchronisation | Requires Two | Requires Two | 
| Dimensions |  |  | 
| Height x Width x Depth (mm) | 43.8 (1U) x 482.6 (19″) x 302 (274 excl. mount/handle) | 43.8 (1U) x 482.6 (19″) x 274 (274 excl. mount/handle) | 
| Height x Width x Length (inches) | 1.73 x 19 x 11.9 (10.8 excl. mount/handle) | 1.73 x 19 x 11.9 (10.8 excl. mount/handle) | 
| Form Factor | 19″ Rackmountable | 19″ Rackmountable | 
| Weight (appliance only) | 4.70Kg | 4.85 Kg | 
| Environment |  |  | 
| Power Requirements | 100-240VAC, 50-60Hz | 100-240VAC, 50-60Hz | 
| Maximum Current (Single PSU) | 2.6A | 2.6A | 
| Power Consumption (Typical – Single PSU) | 55W | 80W | 
| Heat Dissipation | 187.6 BTU/hr | 273 BTU/hr | 
| Operating Temperature | 0 to +45°C | 0 to +45°C | 
| Storage Temperature | -20 to +70°C | -20 to +70°C | 
| Humidity | 10-90% non-condensing | 10-90% non-condensing | 
| Regulatory Compliance |  |  | 
|  | FCC part 15 Class A, CE, Rohs | FCC part 15 Class A, CE, Rohs | 
|  |  |  |