The WatchGuard XTM 5 Series XTM515 Hardware-Firewall is a rack-mounted firewall designed for high performance and security. Manufactured in Taiwan, this model is part of the XTM5 series, known for its reliable and efficient networking solutions. Although it does not come with a manufacturer warranty, the product is backed by the reputation and quality of the WatchGuard brand, making it a reliable choice for businesses and home networks in need of robust firewall protection.
Working but you will need a licence to use as more than firewall. Sadly the rack ears were misplaced but they're easily located and standard design.