Feature: 1. Fast Transmission: The network card supports PCI Express 2.1 (5GT/s) specification to facilitate efficient data transmission for servers and PCs. 2. Stable Connection: Supports switching, polarity, skew correction, crossover detection and auto correction to ensure stable connection. 3. Low Power Consumption Design: This network card supports power failure, power down saving, PH disable mode, energy saving and environmental protection. 4. Wide Compatibility: The network adapter card is suitable for multiple operating systems such as for Windows, for LINUX, which can be flexibly and easily integrated into different systems. 5. High Speed Networking: PCIe X1 network card, Gigabit Ethernet, high speed networking, support full duplex, half duplex adaptive. Specification: Item Type: Network Card Material: PCB Chip Model: For Realtek8111G Network Cable Interface Type: 2 x RJ45 Copper Port Transmission Media Type: Cat 3/4/5/6 UTP Slot Interface Type: PCI Express 2.1(5GT/s) Bus Speed and Slot Width: X1, Support X1, X4, X8, X16 Transmission Rate: 10, 100, 1000Mbps IEEE Network Standard, Network Technology: IEEE802.3az, 10BASE T,100BASE TX,1000BASE T Applicable Network Type: Gigabit Ethernet Applicable Fields: Server LED Indicators: 4 LED Indicators Full Duplex, Half Duplex: Full Duplex, Half Duplex Adaptive Support OS: For Windows XP 7 SP1 8 8.1, for LINUX. Package List: 1 x Network Card1 x Short Baffle