PCIe expansion card with performance and low CPU overhead Delivers strong data throughput on the PCIe bus while reducing processor load to keep other tasks responsive. Standards and compatibility Fully compliant with IEEE 802.1P (QoS), IEEE 802.1Q (VLAN tagging), and IEEE 802.3 Ethernet standards including 10BaseT, 100BaseTX, and 1000BaseT (IEEE 802.3u, IEEE 802.3ab). RJ45 copper Ethernet port for reliable network connections. Applicable to the PCI Express standard and compatible with common Ethernet chipsets. Key attributes and features Function: Provides a dedicated PCIe network interface for wired Ethernet connectivity. Connectivity: RJ45 port for standard Ethernet networks. Compatibility: PCI Express form factor; compatible with supported chipsets. Performance: Optimized for throughput with low impact on CPU resources. Use scenarios Desktop upgrade: Add a fast, reliable wired network interface to improve office or home network performance, with VLAN support and QoS where needed. Small business or home server: Equip a workstation or NAS with a dedicated gigabit Ethernet port to ensure stable network access and traffic prioritization. Virtualization or testing setup: Use as a spare or dedicated NIC in a multiOS environment to isolate network traffic and improve test accuracy.