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

 Barracuda Web Application Firewall Datasheet

Model Comparison	Model 360	Model 460	Model 660	Model 860	Model 960
CAPACITY*
Backend Servers Supported	1-5	5-10	10-25	25-150	150-300
Throughput	25 Mbps	50 Mbps	100 Mbps	600 Mbps	1 Gbps
HTTP Transactions/sec	3,000	6,000	10,000	25,000	55,000
SSL Transactions/sec	2,000	4,000	6,000	12,000	20,000
HARDWARE
Rackmount Chassis	1U Mini	1U Mini	1U Full Size	2U Full Size	2U Full Size
Dimensions (in.)	16.8x1.7x14	16.8x1.7x14	16.8x1.7x22.6	17.4x3.5x25.5	17.4x3.5x25.5
Dimensions (cm.)	42.7x4.3x35.6	42.7x4.3x35.6	42.7x4.3x57.4	44.2x8.9x64.8	44.2x8.9x64.8
Weight (lbs. /kg.)	12/5.4	12/5.4	26/11.8	46/20.9	52/23.6
Data Path Ports
Copper NIC (Standard)	2x10/100	2xGigabit	2xGigabit	2xGigabit	2xGigabit
Fiber NIC (Optional)				2xGigabit	2xGigabit
Management Port	1x10/100	1x10/100	1xGigabit	1xGigabit	1xGigabit
AC Input Current (Amps)	1.2	1.4	1.8	4.1	5.4
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
File Upload Control
Logging, Monitoring and Reporting
High Availability
SSL Offloading
Authentication and Authorization
Vulnerability Scanner Integration
Centralized Management
Caching and Compression
LDAP/RADIUS Integration
Load Balancing
Content Routing
Adaptive Profiling
AV for File Uploads
XML Firewall