The network card features four 2.5Gbps RJ45 ports, providing fast and reliable network connections Equipped with the Intel I225 chipset, this network card ensures high performance and compatibility with a wide range of operating systems and network standards The PCIe x4 interface offers high bandwidth and low latency, ensuring optimal performance for data-intensive tasks and gaming applications The card features 8 LED indicators for each port, displaying the link and activity status for 10/100/1000Mbps connections, aiding in network management and troubleshooting Specifications: Interface: PCI express x4 Port: 4 x RJ45 Intel Chipset: I225 Transmission speed: 2.5Gbps LED indicator: 8 LEDs, 10/100/1000Mb (Link/Act) Size: 120*130*67mm Support operating systems: QTS/QuTS hero (recommended to upgrade to the latest version); Windows 10 (1809 or higher); Linux stable kernel 4.20/5.x; Windows Server 2019 (driver required) working environment: Working temperature: 0℃-55℃ Relative humidity: 10%-90% (no condensation) Storage temperature: -0℃ to 80℃ Relative humidity: 5% ~ 90% (no condensation)