Power Supplies & Fans

All Power Supplies and Fans | All Brands | New & Refurbished

Power supplies (PSUs) in network devices like switches provide the electrical power needed for the device to operate. They convert incoming AC or DC power into the appropriate voltage and current required by the internal components. Many enterprise-grade switches feature modular or redundant power supplies, allowing for high availability, failover protection, and load sharing. In Power over Ethernet (PoE) switches, the PSU also delivers power to connected devices such as IP phones, cameras, and wireless access points through the Ethernet cables. Reliable and efficient PSUs are essential for ensuring continuous network uptime and supporting the power demands of modern, high-performance networking environments.