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TZ 205 Network Security Appliance

TZ 205 Network Security Appliance
End-to-End Network Security Solutions

Small businesses, retail deployments, government organizations, remote sites and branch offices can benefit from the powerful security and business-class performance of the new Dell™ SonicWALL™ TZ 205. Unlike consumer grade products, this powerful Unified Threat Management (UTM) firewall combines the most effective intrusion prevention, anti-malware and content/URL filtering with the broadest, most secure mobile platform support for laptops, smartphones and tablets. By providing full deep packet inspection (DPI) at very high performance levels, it eliminates the tradeoff between comprehensive security and performance.

Network Security Appliances Features & Benefits

The TZ 205 provides intelligent protection, business-class performance, advanced networking features and configuration flexibility in an affordable desktop appliance that’s easy to set up, operate and manage.

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  • Specifications
  • Key Features
  • Brochure
  • Resources


Operating system SonicOS 5.9
Security Processor 2x 400 MHz
Memory (RAM) 256 MB
10 GbE SFP+ interfaces n/a
1 GbE SFP interfaces 5
100 MbE Copper interfaces n/a
Expansion SD Card, USB
Firewall inspection throughput 500 Mbps
Full DPI throughput 40 Mbps
Application inspection throughput n/a
IPS throughput 80 Mbps
Anti-malware inspection throughput 60 Mbps
IMIX throughput n/a
SSL Inspection and Decryption (DPI SSL) n/a
VPN throughput 100 Mbps
Connections per second 1,500/sec
Maximum connections (SPI) 12,000
Maximum connections (DPI) 12,000
Single Sign On (SSO) Users 250
VLAN interfaces 10
SonicPoints supported (Maximum) 2
Site-to-Site VPN Tunnels 10
IPSec VPN clients (Maximum) 2(10)
SSL VPN licenses (Maximum) 1(10)
Encryption/Authentication DES, 3DES, AES (128, 192, 256-bit)/MD5, SHA-1
Key exchange Diffie Hellman Groups 1, 2, 5, 14
Route-based VPN RIP, OSPF
TZ 205 Regulatory
Regulatory Model Regulatory Model APL22-09D
Compliance / Regulatory FCC Class B, ICES Class B, CE (EMC, LVD, RoHS), C-Tick, VCCI Class B, MSIP/KCC Class B, UL, cUL, TUV/GS, CB, Mexico CoC by UL, WEEE , REACH, ANATEL, BSMI, Customs Union
TZ 205W Regulatory
Regulatory Model Regulatory Model APL22-09E
Compliance / Regulatory FCC Class B, FCC Cert, ICES Class B, IC Cert, CE (EMC, LVD, RoHS, R&TTE), C-Tick, VCCI Class B, Japan Wireless, UL, cUL, TUV/GS, CB, Mexico CoC by UL, WEEE , REACH, BSMI, NCC Taiwan
IP address assignment Static, (DHCP, PPPoE, L2TP and PPTP client), Internal DHCP server, DHCP relay
NAT modes 1:1, 1:many, many:1, many:many, flexible NAT (overlapping IPs), PAT, transparent mode
Routing protocols OSPF, RIP v1/v2, static routes, policy-based routing, multicast
QoS Bandwidth priority, max bandwidth, guaranteed bandwidth, DSCP marking, 802.11e (WMM)
Authentication LDAP, Local DB, RADIUS, XAUTH, X-Forwarders
SSO AD, eDirectory, RADIUS Accounting, NTLM, X-Forwarders
VoIP Full H.323v1-5, SIP
Certifications VPNC, ICSA Firewall 4.1
Certifications pending EAL4+, FIPS 140-2 Level 2, IPv6 Phase 1, IPv6 Phase 2
Common Access Card (CAC) SonicOS 5.9
Form factor Desktop
Power Supply (W) 18W external
Maximum power consumption (W) 6.4W/10.5W
Input power 100 to 240 VAC, 50-60 Hz, 1 A
Dimensions 5.6 x 7.6 x 1.4 in (14.2 x 19.2 x 3.5 cm)
Weight 0.84 lbs/0.38 kg 0.90 lbs/0.41 kg
WEEE weight 1.76 lbs / 0.80 kg 1.92 lbs / 0.87 kg
Shipping weight 2.34 lbs / 1.06 kg 2.49 lbs / 1.13 kg
MTBF (Years) 28 / 15
Environment 40-105° F, 0-40° C
Humidity 5-95% non-condensing

Key Features

High-performance security engine

The Dell SonicWALL TZ 205 uses patented Reassembly-Free Deep Packet Inspection®1 to examine traffic simultaneously across all ports without introducing latency to the network, enabling businesses to realize increased productivity gains.

Intrusion prevention

A tightly integrated intrusion prevention engine protects against a comprehensive array of application-layer exploits that target both servers and client machines on the network.

Advanced IPSec and SSL VPN

Flexible connectivity options provide easy-to-use, secure, high-speed office-to-office and client-to-office remote access. With IPSec VPN, users can also connect with a Global VPN Client. learn more

Gateway anti-virus and anti-spyware

By blocking Trojans, viruses, key loggers and other malware at the gateway, Dell SonicWALL Gateway Anti-Virus and Anti-Spyware provides the first layer of defense. learn more

Streamlined GUI and advanced management

Intuitive set-up wizards and a powerful web interface ease deployment, simplify configuration, and streamline management to reduce administration time and costs.

Mobile Connect

SonicWALL Mobile Connect, a single unified client app for Apple® iOS and Google® Android™, provides smartphone and tablet users superior network-level access to corporate and academic resources over encrypted SSL VPN connections.

Content/URL filtering

Organizations and educational institutions can easily enforce their acceptable-use policies and protect against inappropriate, illegal and dangerous web content through content and url filtering. learn more

Dual-band wireless

Ideal for retail and office environments, dual-band wireless provides integrated 802.11a/b/g/n secure wireless access for network clients over the 2.4 GHz and the 5 GHz spectrums. learn more

Network Security Platform

SonicOS is engineered to reduce risk, cost and complexity by integrating state-of-the-art deep packet inspection firewall protection, wireless and VPN technologies to deliver comprehensive protection and maximum performance.
Deep Packet Inspection firewall

Dell SonicWALL Reassembly-Free Deep Packet Inspection™ technology scans against multiple application types and protocols to protect against internal and external threats at both the application layer and the network layer. learn more

Unified Threat Management

The TZ Series offers application control, gateway anti-malware, intrusion prevention and content filtering on a high performance platform through its unified and simple management interface, for state-of-the-art security at a low total cost of ownership. learn more

WAN/ISP redundancy and failover

The TZ Series increases network availability by seamlessly transitioning between multiple ISP connections in case of failure. High-end redundancy features provide small businesses with business continuity at levels of reliability usually reserved for larger enterprises. learn more

WAN Acceleration

Add a Dell SonicWALL WAN Acceleration Appliance (WXA) to a Dell SonicWALL TZ firewall to significantly reduce application latency, conserve bandwidth and significantly optimize WAN performance.

Intuitive management

Powerful set-up wizards make it easy to quickly set up VPN Tunnels, policies and network rules, which can then be fine-tuned through an intuitive Web interface. All application and signature updates are obtained automatically by the firewall and are effective immediately without reboots or downtime. learn more

Application Traffic Analytics

The Dell SonicWALL Application Traffic Analytics solution provides organizations with powerful insight into application traffic, bandwidth utilization and security threats while providing enhanced troubleshooting and forensics capabilities. Businesses can easily identify non-business applications consuming network resources to modify usage policies accordingly. learn more

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