The LR-Link LREC9204CT is a single-port network interface card designed to provide stable gigabit connectivity for computers via a PCIe x1 slot. Built around the reliable Intel I210 controller, it supports data rates of 10/100/1000 Mbps through its RJ-45 port, making it a dependable choice for users needing a consistent wired connection. This adapter is engineered for efficiency and stability, featuring PCIe 2.1 technology and Energy Efficient Ethernet (IEEE 802.3az), which allows power consumption to drop as low as 0.363W. To ensure smooth data flow and system reliability, it incorporates DMA merging, four transmit/receive queues, and error correction memory protection. The hardware is compact, with a PCB measuring 137.6 x 68.9 mm and weighing just 100 g, allowing it to fit easily into most standard chassis. It is compatible with a wide range of operating systems, including Windows, Linux, VMware ESXi, and various Kylin distributions. With an operating temperature range from 0°C up to 70°C and integrated LED indicators for status monitoring, this card suits system administrators or home users who want a low-maintenance, professional-grade network expansion.