Extend a PC with wired Gigabit networking without replacing the system. The StarTech ST1000SPEX2 installs in a PCI Express slot and adds a single 10/100/1000 Mbps Ethernet port, making it a practical upgrade for desktops that need stable, high-speed network access. Its low-profile bracket supports compact chassis where full-height cards will not fit, which is useful in office towers, small form factor systems, and mixed fleet deployments. This adapter is a clean fit for environments that still depend on copper Ethernet for predictable throughput and simple administration. It gives IT teams a cost-conscious way to bring older systems onto a faster wired network, support local file transfers, and reduce reliance on Wi-Fi for critical endpoints. For procurement teams, it is the kind of component that solves a specific infrastructure gap without adding complexity. Use it where a built-in NIC is missing, underperforming, or no longer reliable. The result is a direct, hardware-level network upgrade that keeps a workstation productive and connected.