Dual Port Fiber GigabiT network Card Adapter for Intel 82576EB PCI-E X4 Features: 1. Adopt main control chip 82576EB, for intel 82576EB, ensures excellent performance.  2. Gold-plated PCI-E interface for better transmission.  3. Data rate supported per port is 10/100/1000 Mbps, with fast transmission speed.  4. Thickened metal heat sink for better heat dissipation.  5. Wide range of applications, suitable for server, personal computer etc. Specification: Condition: Material: PCB Color: As Pictures Shown Network type: gigabit fiber Ethernet Transmission rate: 10/100/1000mbps Bus type: PCI-Express X4 Media interface: LCX2 Metal Bracket: Long and short baffles Main chip: For Intel 82576EB Network standards: IEEE 802.1p,IEEE 802.1q,IEEE 802.2,IEEE 802.3ac,IEEE 802.3az,IEEE 802.3x The IEEE 802.3 z IEEE 802. AD Support PXE diskless startup,VLAN convergence, soft routing, etc Boot ROM: support LED Indicator Light: 1 Link/ACT indicator Light Full/half duplex: Full duplex/half duplex adaptive Operating system: for Win 7/Win 8/Win 10, DOS, Windows, Linux, FREEBSD, NWSERVER Applicable areas: desktop, workstation, server.     Package list:  1 * For Intel 82576EB Network Card 1 * Short Baffle 1 * Driver CD