FULLY COMPLIANT: This 4 port Gigabit PoE card is fully compliant with IEEE 802.3at Class 1 & Class 2, Type 1, Power over Ethernet (PoE) standards PSE SUPPORT: This PCIe network card features a Power Sourcing Equipment (PSE) endpoint that supports up to 50V, 25.5 watts max. output per port POWER YOUR PoE DEVICES: Provide connectivity and power to compatible PoE devices, including cameras and wireless access points using this PCIe PoE Ethernet card ULTIMATE SUPPORT: The Gigabit NIC supports IEEE 802.3at, 802.3az Draft 2.2 Energy-Efficient Ethernet (EEE), 802.1q VLAN tagging, 802.1p Layer 2 Priority Encoding and 802.3x Full Duplex Flow Control THE IT PRO'S CHOICE: Designed for reliability in edge and on-prem deployments, our network cards are lab-tested and field-proven for seamless integration and maximum uptime; Backed by free lifetime 24/5 multi-lingual technical assistance