Extend a client server or workstation with dual wired network paths using a PCIe-based Gigabit NIC designed for practical infrastructure upgrades. The ST1000SPEXD4 adds two RJ-45 ports through a single expansion slot, giving you a clean way to separate traffic, build dual-homed systems, or add a dedicated management path without consuming USB bandwidth or relying on consumer-grade dongles. This adapter is a strong fit for environments where stable wired throughput matters more than convenience hardware. Support for 9K jumbo frames helps reduce overhead in compatible networks, while Wake-on-LAN and remote wake-up make it easier to manage systems after shutdowns or during scheduled maintenance. For IT teams standardizing workstation and server connectivity, the dual-port design provides more flexibility than a single-port card and avoids the cost and clutter of adding multiple external adapters. When you need dependable Ethernet expansion with straightforward PCIe installation, this model delivers the right balance of density, control, and network efficiency.