HP 1905 Switch Series devices are smart-managed fixed-configuration Fast Ethernet Layer 2 switches designed for small businesses looking for key features in an easy-to-administer, low-cost solution. Series models include: 24- and 48-port non-PoE switches, 8- and 24-port PoE Fast Ethernet switches. These smart-managed switches come preconfigured for fast and easy installation, yet allow network operation to be enhanced using an intuitive Web-based management interface. Advanced security and quality-of-service features create a voice-ready network. HP 1905 series switches are solidly built for business operation, and are designed for high reliability, long life, low power consumption, and low total cost of ownership. The HP 1905 switches come with a 3-year warranty, covering unit, fans, and power adapters or power supplies.