Cisco SA 520W Security Appliance is an all-in-one security solution that combines high-speed connectivity and integrated security capabilities. Featuring four 10/100/1000 LAN ports, two 10/100/1000 WAN ports, 802.11n wireless, VPN, firewall, and email and web protection, it is simple to install and manage and is supported by the Cisco Small Business Support Center. The Cisco SA 520W Security Appliance is a simple to install and use, all-in-one security solution designed specifically for businesses with less than 100 employees. Featuring four high-speed LAN ports and 802.11n wireless, it combines secure Internet, site-to-site, and remote connectivity with firewall, email and web security capabilities to protect a small business while improving employee productivity.