The HP JH018A OfficeConnect 1420 24G 2SFP+ Switch is a high-quality network switch designed by HP, a trusted brand in the industry. This switch is compatible with HP devices and offers SFP interface for fast and reliable data transmission. It is a unit sold individually and does not come with a manufacturer warranty. The model JH018A ensures seamless networking capabilities for enterprise environments, making it an essential component for efficient data handling and communication within a business setting. This switch delivers top-notch performance for professional networking needs.TESTED. Was used in my home in my network rack for years. Very solid switch. NO POE, NO MANAGEMENT.