Feature: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.Specification:Item Type: PCIe Gigabit Network CardMaterial: PCBMain Chipset: for Realtek RTL8125BBus Type: PCIe x1 2.5Gbps 5.0Gbps, Revision v2.1Transmission Media: 2 x 2.5G RJ45 PortsTransfer Rate: 2.5G 1000 100MbpsNetwork Mode: Supports 2.5G and 1G Lite ModesNetwork Topology: Support IEEE1588v1, IEEE1588v2, IEEE80.2AS Time SynchronizationInstallation Conditions: Free PCIE x1, X4, X8, X16 SlotsDriver Support: for Windows 7 8 10 11, for LinuxOperating Temperature: 0~60Storage Temperature: -20~80C.Package List:1 x Network Card 1 x Short Baffle