1,HIGH SPEED TRANSMISSION: PCIe gigabit network card supports 2.5G 1000 100Mbps transmission rate, providing fast and stable network connection. 2,MULTI PORT DESIGN: PCI Express gigabit ethernet card has two 2.5G RJ45 ports to meet the connection needs of multiple devices and facilitate network expansion. 3,WIDE COMPATIBILITY: PCI Express ethernet adapter complies with multiple Ethernet specifications and is suitable for desktops, workstations, servers and other market segments and application scenarios. 4,EASY INSTALLATION: Dual port PCIe gigabit network card fits into free PCIE x1, X4, X8, X16 slots for quick and easy installation. 5,HIGH PERFORMANCE FEATURES: PCI Express ethernet adapter supports hardware ECC and hardware CRC functions to ensure the reliability and stability of data transmission. Item Type: PCIe Gigabit Network Card Material: PCB Main Chipset: for Realtek RTL8125B Bus Type: PCIe x1 2.5Gbps 5.0Gbps, Revision v2.1 Transmission Media: 2 x 2.5G RJ45 Ports Transfer Rate: 2.5G 1000 100Mbps Network Mode: Supports 2.5G and 1G Lite Modes Network Topology: Support IEEE1588v1, IEEE1588v2, IEEE80.2AS Time Synchronization Installation Conditions: Free PCIE x1, X4, X8, X16 Slots Driver Support: for Windows 7 8 10 11, for Linux Operating Temperature: 0-60℃ Storage Temperature: -20-80°C 1 x Network Card 1 x Short Baffle Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.