StarTech.com 4 Port PCIe RJ45 Network Card, 1000Mbps, 5Gbps Throughput ST1000SPEX43

StarTech.com ST1000SPEX43 PCIe Network Card is a professional-grade 4-port Gigabit Ethernet network adapter designed to extend robust wired network connectivity to clients, servers, or workstations via a single PCI Express slot. Operating at speeds of up to 1000Mbps per port with a combined throughput of 5Gbps, it ensures high-bandwidth, low-latency communication for demanding network applications.

Designed with the Realtek RTL8111G chipset, this card supports full duplex flow control and is fully compliant with industry standards including IEEE 802.3, 802.3u, and 802.3ab, making it reliable and compatible with modern network infrastructures. Advanced features such as Wake-on-LAN enable remote power-up capability, facilitating efficient network management and maintenance.

This network card supports auto-negotiation with next-page capacity, crossover detection, Auto-MDIX, and up to 9K jumbo frames for improved network throughput and performance. It also supports IEEE 802.1Q VLAN tagging and IEEE 802.1P Layer 2 priority encoding for enhanced traffic prioritization and network segmentation.

Ideal for diverse industrial, business, and enterprise environments, the ST1000SPEX43 is particularly suited for virtualization use cases where multiple NICs are required within limited PCIe expansion slots. It provides redundant and simultaneous network connections to ensure uninterrupted connectivity.

Supports PCIe bus interface for high-speed connectivity. Equipped with four independent RJ45 Gigabit Ethernet ports. Wake-on-LAN and remote wake-up support enhance network management capabilities. Supports jumbo frames of up to 9000 bytes for large data transfers.

Includes VLAN tagging and Layer 2 priority encoding for advanced network control. Robust compliance with multiple IEEE standards and industry certifications (CE, FCC, RoHS, TAA). Compatible with multiple operating systems and virtualization platforms.

Backed by a 2-year StarTech.com warranty and lifetime technical support.

The product is manufactured in Taiwan, Province Of China, reflecting stringent quality control and manufacturing standards. It is an essential networking component for IT infrastructure requiring multiple network ports within a single expansion slot, particularly in corporate and data center environments.

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