This is a genuine original SonicWall TZ300 W firewall with 5 ports and a power supply. It is a top-of-the-line device that provides excellent security for your network. The unit quantity is one and there is only one device. It is a great addition to any enterprise networking setup and is perfect for businesses that need a reliable firewall. The model number is APL28-0B5 and it is a type of firewall that is designed to protect against unauthorized access to your network.