| Models | DEC840 | DEC850 v2 | 
|  |  |  | 
| Software |  |  | 
| Preinstalled software | OPNsense® | OPNsense® | 
| License | Open Source + 1 year free Business Edition
 | Open Source + 1 year free Business Edition
 | 
| Hardware Specifications
 |  |  | 
| SFP+ Ports [10Gbps] | 2 | 2 | 
| GbE RJ45 [ 10/100/1000Mbps ] / 2.5GbE [100/1000/2500Mbps] Ports | 4x GbE | 4x 2.5GbE | 
| USB 3.0 Ports
 | 2 | 2 | 
| Console Port
 | 1 | 1 | 
| Internal Storage
 | 256GB M.2. Solid State Flash | 256GB M.2. Solid State Flash | 
| Memory | 8GB DDR4 | 16GB DDR4 | 
| CPU Cores
 | 4 (max frequency 2.9Ghz) | 8 (max frequency 3.1Ghz) | 
| Virtual Interfaces (802.1q VLANS)1
 | 4093 | 4093 | 
| System Performance
 |  |  | 
| Firewall Throughput
 | 14.4Gbps | 17.4Gpbs | 
| Firewall Packets Per Second
 | 1200Kpps | 1450Kpps | 
| Firewall Port to Port Throughput
 | 9Gbps | 9Gpbs | 
| Firewall Port to Port Packets Per Second
 | 1200Kpps | 1450Kpps | 
| Concurrent Sessions
 | 7000000 | 15000000 | 
| New Connections Per Second
 | 50000 | 50000 | 
| Firewall Latency (average)
 | 100us | 100us | 
| Firewall Policies (Recommended Maximum)1
 | 10000 | 10000 | 
| IPsec VPN Throughput (AES256GCM16)
 | 2.3Gbps | 2.5Gbps | 
| IPsec VPN Packet Per Second (AES256GCM16)
 | 200Kpps | 220Kpps | 
| Threat Protection Throughput Packet Per Second
 | 163Kpps | 163Kpps | 
| Threat Protection Throughput
 | ~2Gpbs | ~2Gbps | 
| High Availability with State Synchronisation
 | Requires Two | Requires Two | 
| Dimensions |  |  | 
| Height x Width x Length (mm)
 | 48 x 199 x 186 | 48 x 199 x 186 | 
| Height x Width x Length (inches)
 | 1.89 x 7.83 x 7.32 | 1.89 x 7.83 x 7.32 | 
| Form Factor
 | Desktop (optional Wallmount) | Desktop (optional Wallmount) | 
| Weight (appliance only)
 | 1.9Kg | 2.0 Kg | 
| Weight (appliance + power supply / ac cord) | 2.6Kg | 2.7Kg | 
| Environment |  |  | 
| Power Requirements
 | 100-240VAC, 50-60Hz | 100-240VAC, 50-60Hz | 
| Maximum Current (AC)
 | 1.4A | 1.4A | 
| Power Consumption (Typical)
 | 40W | 45W | 
| Heat Dissipation
 | 136.5 BTU/hr | 153.6 BTU/hr | 
| Operating Temperature
 | 0 to +50°C | 0 to +50°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
 | 
|  |  |  |