PCIe 5Gbps Ethernet Network Card Realtek RTL8126, Single Port RJ45, 10/100/1000M/2.5G/5Gbps, Supports PXE Boot, for Gaming, Desktop, Server, and Soft Router

Upgrade your system to 5 Gigabit Ethernet with this PCIe 5Gbps Network Card, powered by the Realtek RTL8126 controller. Designed for gamers, content creators, and professionals who demand high-speed network connectivity, this adapter delivers up to 5x the bandwidth of standard Gigabit Ethernet over familiar RJ45 copper cablingno fiber transceivers or specialized cables required.

The PCIe x1 interface ensures easy installation into virtually any desktop, server, or industrial motherboard with an available PCI Express slot, while providing sufficient bandwidth to support full 5Gbps throughput. The RJ45 port supports auto-negotiation across 10/100/1000M/2.5G/5Gbps speeds, seamlessly integrating with existing network infrastructure while offering higher speeds for compatible devices.

At the heart of this adapter is the Realtek RTL8126 5GbE controller, engineered to deliver low latency and stable performance for demanding applications such as online gaming, 4K/8K video editing, large file transfers, NAS connectivity, and soft router deployments.

For diskless boot environments, the card features PXE (Preboot eXecution Environment) support, enabling network booting for gaming cafes, educational labs, and enterprise deployments where centralized management is essential.

The card includes both full-height and low-profile brackets, providing installation flexibility for standard tower cases as well as compact 1U/2U server chassis. With a compact design measuring 120mm x 67mm x 53mm and a lightweight 36.9g build, this adapter fits seamlessly into a wide range of system configurations.