Fangrui Product Details 1. Up To 2.5 Gbps: Combined With The Latest 2.5g Base-t Technology, This Pcie Network Card Delivers Extreme Speeds Of Up To 2.5 Gbps, Which Is 2.5 Times Faster Than Typical Gigabit Adapters. 2. Compatibility: 2.5g Base-t Is Backward Compatible With Fast Ethernet And Gigabit Ethernet And Can Automatically Negotiate Between High-speed And Low-speed Connections. Supports Multiple Operating Systems Such As For Or For Linux. 3. Adaptability: Adapter Card Fits Any Pci Express X1, X2, X4, X8 Or X16 Socket. You Can Add A 10/100/1000/2500mbps Ethernet Port To Any Computer Via A Pcie Slot. 4. Remote Wake-up Technology And Pxe: This Ethernet Card Supports Wake-on-lan And Technology (remote Wake-up), Which Can Remotely Turn On/off The Computer Power Through , Which Is Conducive To Centralized Management. Pxe Can Greatly Simplify The Life Of Any Information Technology Person. You Can Use It To Install A Fresh On A New Or Failed Computer. Colour:blue Black Silver Material:pcb+metal+electronic Components Package Co