The Cisco Systems PIX 501 Series Firewall is a high-quality network security device designed to protect your network from unauthorized access and malicious attacks. Running on the Cisco IOS operating system, this Firewall offers reliable security features for commercial use. With a minimum processor speed of 2 GHz, this unit is efficient and effective in filtering network traffic. The firewall is designed for single device use and comes in a USB format for easy deployment. Made by Cisco, a trusted brand in networking technology, the PIX 501 Series Firewall provides a secure and reliable networking solution for your enterprise.