EXSYS 5 Gigabit Ethernet PCIe x1 Network Card, Realtek RTL8126, RJ45, Low Profile EX-60151

Upgrade a desktop workstation or small server with a single 5GBASE-T port using this EXSYS PCIe x1 network card. The Realtek RTL8126 chipset delivers multi-gigabit throughput over standard Cat5e or better cabling, while backward compatibility with 2.5GbE, Gigabit and Fast Ethernet keeps it flexible for mixed-speed networks.

Key specifications

• Host interface: PCI Express x1 (PCIe 2.1, works in newer slots)
• Ethernet speed: 5 Gigabit (5GBASE-T), backward compatible with 2.5GBASE-T, 1000BASE-T, 100BASE-TX
• Chipset: Realtek RTL8126
• Connector: 1 x RJ45
• Jumbo frame support: up to 16K bytes
• Wake-on-LAN and PXE boot support
• Full-duplex with IEEE 802.3x flow control
• VLAN support (IEEE 802.1Q)
• Checksum offload: IPv4/IPv6, TCP/UDP/IP
• Form factor: standard profile, low profile bracket included
• LED indicators: link/activity
• Operating temperature: 0°C to 50°C
• Power: PCIe bus powered
• OS support: Windows 7/8/10/11, Windows Server, Linux, macOS

Why choose it

This card unlocks 5Gbps wired speeds without needing a new motherboard or switch—just a free PCIe x1 slot. The low-profile bracket makes it fit slim desktops and 1U servers, and driver support spans the most common operating systems.

Ideal use cases

• Adding multi-gigabit Ethernet to a workstation for large file transfers or video editing
• Upgrading a home server or NAS for faster backups and media streaming
• Building a budget-friendly 5GbE client for a small office network

Good to know

The card is powered entirely from the PCIe bus, so no extra power cable is needed. For full 5Gbps speed, use Cat5e or better cabling and a compatible 5GBASE-T switch or router.