| SG Series Appliances: SG 550, SG 650 | 
		
			| Front View SG 550 | Performance | SG 550 | SOPHOS SG 650 | 
		
			|  | Firewall throughput | 40 Gbps | 60 Gbps | 
		
			| VPN throughput | 8 Gbps | 10 Gbps | 
		
			| IPS throughput | 12 Gbps | 16 Gbps | 
		
			| Antivirus throughput (proxy) | 3.5 Gbps | 5 Gbps | 
		
			| Concurrent connections | 12,000,000 | 20,000,000 | 
		
			| New connections/sec | 200,000 | 220,000 | 
		
			| Maximum licensed users | unrestricted | unrestricted | 
		
			| Front View SG 650 | Physical interfaces | 
		
			| 
 
 | Hard drive (local quarantine/logs) | 2 x integrated hotswap SSD (RAID) | 2 x integrated hotswap SSD (RAID) | 
		
			| Ethernet interfaces (fixed) | 8 GE copper | 8 GE copper | 
		
			| No. of FleXi Port slots | 3 | 4 | 
		
			| FleXi Port modules (optional) | 8 port GE copper 8 port GE SFP
 2 port 10 GE SFP+
 | 8 port GE copper 8 port GE SFP
 2 port 10 GE SFP+
 | 
		
			| I/O ports | 2 x USB 2.0 (front) 2 x USB 2.0 (rear)
 2 x Mgmt Port
 (eth0/eth1, front)
 1 x COM (RJ45)
 (front)
 1 x VGA (rear)
 | 2 x USB 2.0 (front) 2 x USB 2.0 (rear)
 2 x Mgmt Port
 (eth0/eth1, front)
 1 x COM (RJ45)
 (front)
 1 x VGA (rear)
 | 
		
			| Display | Multi-function LCD module
 | LCD moduleMulti-function
 | 
		
			| Power supply | 2 x hot-swap internal auto-ranging 100-240VAC, 48-62 Hz PSU | 2 x hot-swap internal auto-ranging 100-240VAC, 48-62 Hz PSU |