StarTech Dual Port PCI Express Gigabit Ethernet PCIe Network Card Adapter: * Dual 10/100/1000Mbps PoE RJ-45 ports * Supports IEEE 802.3at (Type 1, 2) Power over Ethernet standard * Power Sourcing Equipment (PSE) design, provides data and up to 25.5W of power on each port * Built-in SATA and LP4 Molex power connector * Unique surge protection design helps prevent system damage in the event of lightning strikes * Jumbo Frame support * On-chip 48KB Big Transmit/Receive Buffer support * Fully Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab and supports IEEE 802.1Q VLAN tagging, IEEE 802.1P Layer 2 Priority Encoding and IEEE 802.3x Full Duplex Flow Control * Crossover detection and auto-correction (Auto MDIX) * Includes full and low profile/half-height installation brackets