<p>➀ The article provides a quick overview of the HPE OCP NIC 3.0 featuring the Intel i350-T4 controller, a quad-port 1GbE adapter commonly used in basic server configurations;</p><p>➁ The NIC follows the OCP NIC 3.0 design with an internal latch mechanism, which complicates maintenance due to the lack of a rear ejector or pull tab;</p><p>➂ Despite its widespread OS support and legacy relevance, the Intel i350-T4's PCIe Gen2 x4 interface and 1GbE speeds are considered outdated compared to modern high-speed solutions like 400GbE adapters.</p>