The AX88279 is a USB 3.2 Gen1 to 2.5G Ethernet controller with integrated 2.5G/1G/100M Base-T Ethernet PHY. AX88279 supports Precision Time Protocol (PTP), Microsoft Modern Standby, etc. advanced features, and supports Windows 11/10/8.x, Linux/Android/Chrome OS, Nintendo Switch in-box drivers, and iOS/iPadOS/macOS/Linux native CDC-NCM driver for driverless, Plug & Play.
AX88279
USB 3.2 Gen1 to 2.5G Ethernet Controller
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Overview
Features
● Single chip USB 3.2 Gen1 to 2.5G Ethernet Controller with Integrated 2.5G/1G/100M Base-T Ethernet PHY
Diagram
Development Board
AX88279 Demo Board
This is an AX88279 USB 3.2 Gen1 to 2.5G Ethernet dongle for users to verify AX88279 function on any platform that supports USB 3.2 Gen1 host interface
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Hardware Design Documentation
AX88279 USB 3.2 Gen1 to 2.5G Ethernet Applications Design Note
Software & Tools
Apple macOS Driver
Using macOS native CDC-NCM driverRelease Date
2025-11-05
Windows 11 64-bit Driver
For x64 CPU platform, HLK/WHCK certifiedWindows 11 64-bit HLK/WHCK drivers setup program
For x64 CPU platform, HLK/WHCK certifiedWindows 11 ARM 64-bit Driver
For ARM x64 CPU platform, HLK/WHCK certifiedWindows 11 ARM 64-bit HLK/WHCK drivers setup program
For ARM x64 CPU platform, HLK/WHCK certifiedWindows 10 64-bit Driver
For x64 CPU platform, HLK/WHCK certifiedWindows 10 64-bit HLK/WHCK drivers setup program
For x64 CPU platform, HLK/WHCK certifiedWindows 8 32-bit Driver
For x86 CPU platform, HLK/WHCK certifiedWindows 8 64-bit Driver
For x64 CPU platform, HLK/WHCK certifiedUEFI X64/IA32 Drivers
For UEFI X64/IA32 platformsUEFI ARM/AARCH64 Drivers
For UEFI ARM/AARCH64 platforms