TP-Link TX301 PCIe 3.0 x4 5 Gbps Network Adapter – RJ45, Realtek RTL8125B, Low-Profile Bracket Included

Transform your desktop or server into a multi-gigabit powerhouse with the TP-Link TX301, a PCIe 3.0 x4 network adapter that delivers up to 5 Gbps over standard Cat5e or Cat6 cabling. Driven by the Realtek RTL8125B chipset, this adapter eliminates network bottlenecks for data-intensive tasks, ensuring smooth 4K/8K video editing, rapid file transfers, and lag-free gaming. With backward compatibility down to 10 Mbps and auto-negotiation, it seamlessly integrates into existing networks while future-proofing your setup for multi-gig speeds.

Advantages

The TX301 bridges your server or workstation to 5-Gigabit networks while remaining fully compatible with legacy 2.5G, 1G, and 100M environments. Its Realtek RTL8125B chipset guarantees stable operation and broad OS support across Windows and Linux. Automatic negotiation makes installation truly plug-and-play on popular platforms, and the included low-profile bracket ensures a perfect fit for compact chassis. Advanced features like Wake-on-LAN, PXE boot, jumbo frames up to 16 KB, and Energy Efficient Ethernet (IEEE 802.3az) enhance performance and manageability.

Suitable for

• Creative professionals handling 4K/8K video editing and large file transfers
• Gamers seeking faster multiplayer downloads and reduced latency
• Businesses upgrading to multi-gig networking for NAS or server access
• Prosumers building a high-speed home network
• Anyone wanting to future-proof their wired connectivity

Key specifications

• Interface: PCIe 3.0 x4
• Ports: 1 x RJ45
• Data rates: 5 Gbps, 2.5 Gbps, 1 Gbps, 100 Mbps, 10 Mbps with auto-negotiation
• Chipset: Realtek RTL8125B
• Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3bz, 802.3x, 802.3az
• Jumbo frame: up to 16 KB
• Wake-on-LAN and PXE boot support
• LED indicators for link/activity
• Includes standard and low-profile brackets

Recommendations

Before ordering, verify that your computer has a free PCIe x4 (or higher) slot. For optimal performance, use Cat5e or better cabling and connect to a 5 Gbps switch or router.