SonicWall NSA 250M

SonicWALL NSA 250M Series high-performance, modular Next-Generation Firewalls offer branch offices and distributed enterprises in-depth frontline security, application and user control, network productivity and optional 802.11 dual-band wireless.


  • Intrusion prevention with sophisticated anti-evasion technology
  • Network-based anti-malware with CloudAssist for 24x7 protection from over 14M variants of malware
  • Optional integrated 802.11n  access point with Clean Wireless technology
  • Easy-to-integrate user authentication (SSO/LDAP/RADIUS) support for numerous user identification technologies
  • WAN Failover/Load Balancing – supported out of the box for easy configuration
  • SSL decryption and inspection to protect against threats hidden in encrypted traffic
  • Over 50 categories of content/URL filtering to prevent undesirable web content
  • Easy to use real-time application visibility, control, and bandwidth management


Device Type Security appliance
Height (Rack Units) 1U
Width 10.5 in
Depth 7.1 in
Height 1.5 in
Weight 3.04 lbs

Processor / Memory / Storage

RAM 512 MB
Flash Memory 32 MB


Form Factor External
Ports Qty 5
Connectivity Technology Wired
Data Transfer Rate 1 Gbps
Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet
Network / Transport Protocol TCP/IP, PPTP, UDP/IP, L2TP, ICMP/IP, IPSec, PPPoE, DHCP
Routing Protocol OSPF, RIP-1, RIP-2, static IP routing, policy-based routing (PBR)
Remote Management Protocol SNMP 2, HTTP, HTTPS, SSH, CLI
Performance Stateful throughput: 750 Mbps
Gateway anti-virus throughput: 140 Mbps
IPS throughput: 250 Mbps
Full Deep Packet Inspection (DPI) throughput: 130 Mbps
Firewall throughput (IMIX): 210 Mbps
VPN throughput (3DES/AES): 200 Mbps
Capacity Connection / user qty: 110000
DPI connections: 64000
New sessions per second: 3000
Authenticated users (internal database): 150
Virtual interfaces (VLANs): 35
VPN tunnels (site-to-site): 50
Features Firewall protection, DHCP support, VPN support, load balancing, Syslog support, DoS attack prevention, content filtering, dynamic DNS server, IPv6 support, antivirus analysis, High Availability, Intrusion Prevention System (IPS), Deep Packet Inspection (DPI), Stateful Failover, DDos attack prevention, Stateful switchover (SSO), anti-spam protection, Quality of Service (QoS), Dead Peer Detection (DPD), IPSec NAT-Traversal (NAT-T), DHCP server
Encryption Algorithm DES, Triple DES, MD5, IKE, SHA-1, PKI, 128-bit AES, 192-bit AES, 256-bit AES
Authentication Method Secure Shell (SSH), RADIUS, X.509 certificates, LDAP, internal user database, Active Directory, XAUTH authentication
Compliant Standards IEEE 802.3, IEEE 802.1Q, IEEE 802.1p, X.509

IP Telephony

VoIP Protocols SIP, H.323 v3, H.323 v4, H.323 v1, H.323 v2, H.323 v5
IP Telephony Features VoIP gatekeeper support, VoIP outbound bandwidth management


Supported Flash Memory Cards CompactFlash Card

Expansion / Connectivity

Expansion Slots 1 (total) / 1 (free) x expansion slot
Interfaces 5 x 1000Base-T - RJ-45
1 x management
2 x USB - Type A


MTBF 23 years
Compliant Standards FCC Class A certified, UL, TUV GS, VCCI, C-Tick, cUL, NOM, CB, MIC, RoHS, FIPS 140-2, WEEE, EAL 4+


Power Device Internal power supply
Voltage Required AC 120/230 V (50/60 Hz)
Power Consumption Operational 12 Watt
Power Provided 36 Watt

Software / System Requirements

OS Provided SonicOS

Environmental Parameters

Min Operating Temperature 32 °F
Max Operating Temperature 104 °F
Humidity Range Operating 5 - 95% (non-condensing)