




PCIe to Dual Port Gigabit Ethernet Adapter Realtek RTL8111 Chipset
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PCIe to Dual Port Gigabit Ethernet Adapter Reliable & Cost-Effective Networking
Affordable Dual Gigabit Ethernet Expansion
Upgrade your networking with the PCIe to Dual Port Gigabit Ethernet Adapter, powered by the Realtek RTL8111 chipset. Whether you're setting up a low-cost OpenWrt or pfSense x86 gateway, enhancing your home network, or optimizing server performance, this adapter delivers stable and high-speed Gigabit connectivity at an unbeatable price.
Key Features:
- Dual Gigabit Ethernet Ports – Enjoy 10/100/1000Mbps data rates with auto-negotiation.
- Seamless Compatibility – Works with Windows, Linux, macOS, and pfSense for flexible deployment.
- Optimized Performance – Supports jumbo frames (up to 9K bytes) and PCI MSI for improved efficiency.
- Backward Compatible – Supports legacy 10/100BASE-T networking while delivering Gigabit speeds.
- Compact & Versatile – Includes a low-profile bracket, making it ideal for small form-factor builds.
- Compatible for - ZimaBoard, ZimaBlade and more.

Ideal for:
- pfSense / OpenWrt x86 Gateways
- Home & Small Business Networks
- NAS & Server Builds
- High-Speed Data Transfers
⚠ Note: The latest version of pfSense now officially supports the RTL8111 chipset for even better compatibility.
Specification
- Chipset: Realtek RTL8111H
- Interface: PCIe
- Ports: 2x Gigabit Ethernet (RJ45)
- Transfer Rate: 10/100/1000Mbps auto-negotiation
- Jumbo Frame Support: Up to 9K bytes
- Compatibility:
- Windows 98SE/ME/2000/XP/Vista/7/8/10
- Windows Server 2003
- Linux
- macOS 10.4+
- DOS
- Features:
- Supports Giga Lite (500M) mode
- Backward compatible with 10/100BASE-T networking
- Supports PCI MSI and MSI-X
- Fully compliant with IEEE802.3, 802.3u, and 802.3ab
- Dimensions: 75mm × 65.9mm
- Shipping List:
- 1x PCIe to Dual Port Gigabit Ethernet Adapter
- 1x Low Profile Bracket
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