SonicWall TZ400 – Next-Generation Firewall

SonicWall TZ400 Next-Generation Firewall

SonicWall TZ400 is a next-generation firewall designed to provide comprehensive network security for small and medium-sized businesses, branch offices and distributed enterprise environments. It combines firewalling, secure VPN connectivity, intrusion prevention, application control, content filtering and malware protection in a compact security appliance.

The TZ400 provides 10 Gigabit Ethernet interfaces and is designed to protect networks against modern cyber threats while maintaining secure connectivity between offices, remote users and business resources. Its security architecture supports centralized management and SonicWall security services for organizations that require layered protection at the network edge.

Technical Specifications

Next-Generation Network Security

The SonicWall TZ400 is designed to provide security beyond traditional stateful firewall functionality. It combines network traffic inspection with application-aware security, intrusion prevention and content security features to help organizations control traffic and reduce exposure to common network threats.

Security policies can be used to regulate traffic between network segments, WAN connections and internal resources. This makes the appliance suitable for organizations that require centralized control over internet access, internal network communication and remote connectivity.

Gigabit Ethernet Connectivity

With 10x Gigabit Ethernet interfaces, the TZ400 provides flexible connectivity for WAN, LAN and security-zone configurations. The available interfaces can be allocated according to the organization's network topology and security policy requirements.

This interface density makes the appliance suitable for branch offices, small and medium-sized businesses and distributed environments where multiple network segments need to be protected through a centralized security gateway.

Firewall and VPN Performance

The TZ400 is rated for up to 1.3 Gbps firewall throughput and up to 400 Mbps VPN throughput. Actual performance depends on enabled security services, traffic characteristics, packet sizes, VPN configuration and deployment conditions.

VPN capabilities allow organizations to establish secure connectivity between offices and remote locations while supporting secure access for distributed users. The appliance can therefore serve as both an internet security gateway and a secure WAN connectivity platform.

Security Services and Application Control

The SonicWall TZ400 supports security capabilities such as intrusion prevention, application control, content filtering and malware protection. These features can help organizations enforce acceptable-use policies, identify potentially harmful traffic and control applications according to business requirements.

For environments requiring subscription-based threat intelligence and advanced security services, the required SonicWall security service licenses should be selected according to the intended deployment and current service availability.

Secure SD-WAN and Branch Networking

SonicWall Secure SD-WAN capabilities allow the TZ400 to participate in modern branch-network architectures where organizations need intelligent WAN connectivity, application-aware traffic policies and secure connections between distributed locations.

The appliance is suitable for branch offices, retail locations, professional offices, SMB networks and distributed organizations that require a combination of firewall protection, VPN connectivity and WAN security in one platform.

Centralized Management

For organizations operating multiple SonicWall security appliances, centralized management can simplify configuration, monitoring, policy administration and security operations. The TZ400 can be integrated into SonicWall management workflows according to the software version, licensing and management platform being used.

Typical Applications

• Small and medium business firewall deployments
• Branch office network security
• Internet gateway protection
• Secure site-to-site VPN connectivity
• Remote-access VPN environments
• Application-aware traffic control
• Intrusion prevention and threat protection
• Secure SD-WAN deployments
• Network segmentation and security-zone control

Compatibility and Licensing Considerations

Before purchasing a SonicWall TZ400, verify the required SonicWall operating software, security-service subscriptions, VPN requirements, centralized-management requirements and deployment configuration. Advanced security services may require separate licensing or subscription coverage.

Security throughput can also vary depending on which inspection and protection services are enabled. Therefore, firewall throughput should not be treated as equivalent to throughput with every advanced security feature enabled simultaneously.

SonicWall TZ400 Price in Bangladesh

For the latest SonicWall TZ400 price in Bangladesh, contact Datacom Technologies (BD). Pricing and availability may vary depending on sourcing, product condition, warranty, licensing and stock status.

Datacom Technologies (BD) can provide purchasing assistance and availability information for SonicWall security appliances. For inquiries, contact sales@datacom.com.bd.

Important: Hardware and SonicWall security-service subscriptions may be quoted separately depending on the required package. Confirm the hardware SKU, software version, support term and required security services before purchase.