There are three models of the Barracuda Web Site Firewall that handle up to 100 Mbps of throughput, while on the higher end of the product line, the Barracuda Web Application Controllers handle up to 1 Gbps. These specifications are not limits of each system, rather recommended capacity for a single unit.

Model Comparison	Model 360	Model 460	Model 660
CAPACITY*
Backend Servers Supported	1-5	5-10	10-25
Inbound Web Traffic (Mbps)	25	50	100
HARDWARE
Rackmount Chassis	1U Mini	1U Mini	1U Full Size
Dimensions (in.)	16.8 x 1.7 x 14	16.8 x 1.7 x 14	16.8 x 1.7 x 22.6
Dimensions (cm.)	42.7 x 4.3 x 35.6	42.7 x 4.3 x 35.6	42.7 x 4.3 x 57.4
Weight (lbs. /kg.)	12 / 5.4	12 / 5.4	26 / 11.8
Front Ethernet Ports	2 x 10/100	2 x Gigabit	2 x Gigabit
Back Ethernet Ports	1 x 10/100	1 x 10/100	1 x Gigabit
AC Input Current (Amps)	1.2	1.4	1.8
ECC Memory
FEATURES
HTTP/HTTPS/FTP Protocol Validation
Protection Against Common Attacks
Form Field Meta Data Validation
Web Site Cloaking
Response Control
Outbound Data Theft Protection
Granular Policies to HTML Elements
Protocol Limit Checks
File Upload Control
Logging, Monitoring and Reporting
High Availability
SSL Offloading
Authentication and Authorization
LDAP/RADIUS Integration
Load Balancing
Content Routing
Hardware SSL Acceleration

Model Comparison	NC500 AG	NC1100 AG	NC2000AG
CAPACITY*
Throughput	100 Mbps	500 Mbps	1 Gbps
HTTP Transactions/sec	2,500	12,000	44,000
SSL Transactions/sec	2,000	9,000	16,000
HARDWARE
Rackmount Chassis	1U Mini	2U Full Size	2U Full Size
Dimensions (in.)	16.8x1.7x14	17.4x3.5x25.5	17.4x3.5x25.5
Dimensions (cm.)	42.7x4.3x35.6	44.2x8.9x64.8	44.2x8.9x64.8
Weight (lbs. /kg.)	12 / 5.4	39 / 17.7	39 / 17.7
Ethernet	2 x Gigabit	2 x Gigabit	2 x Gigabit
AC Input Current (Amps)	1.4	4.1	5.4
Redundant Power Supply
ECC Memory
FEATURES
Hardened and Secure OS
Web Application Security Features
Access Control Features
Logging and Monitoring Features
Roles-Based Administration
TRAFFIC MANAGEMENT FEATURES
Connection Pooling
SSL Acceleration
Caching
Compression
Load Balancing