ADDS TWO INDEPENDENT GIGABIT ETHERNET PORTS through one PCI Express slot to your server or desktop computer. it's the most dependable and cost-effective way to enhance your networking performance with high speed, high-bandwidth reliable network connectivity UP TO 2 GB/s PCIe BANDWIDTH - delivers up to 1 Gbps data transfer rate per port for both ports simultaneously. INTEL I350-T2 CHIPSET supports reliable and advanced network connectivity. 10/100/1000 Mbps transfer rates. COMPLIANT WITH IEEE 802.3, 802.3u, 802.3ab with full duplex and Wake-on-LAN support FEATURES INNOVATIVE POWER MANAGEMENT including Energy Efficient Ethernet (EEE) and DMA Coalescing to increase efficiency and reduce power consumption PREMIUM CUSTOMER SERVICE: If you have any questions, please contact us at any time. This product is backed with a 1-year warranty and California based customer service and technical support