Note: drivers are built-in on Surface with Windows RT 8.1 (ARM CPU), Windows 10/8.1/8, Chrome OS, and Linux 2.6.12+. The adapter will be recognized and installed when plugged in to a USB port. For Windows 7, Vista, and XP, system will automatically install drivers via Windows Update if connected to Internet through WiFi or other interface.
Device Drivers:
The device drivers are already built-in on Surface Windows RT 8.1, Windows 10, 8.1/8, Linux 2.6.12+, and Chrome OS. The adapter will be recognized and installed when plugged in to a USB port. For Windows 7, Vista, and XP, system will automatically install drivers via Windows Update if connected to Internet through WiFi or other interface. If you need to manually download the drivers for Windows or other OS platforms, please visit the ASIX AX88772C drive download page for up-to-date complete list of drivers.
Choose and download the Installer or Setup program for your OS:

Mac OS X:
AX88772C is the new version chip with ultra low power consumption. It requires driver installation on Mac OS X because the device ID is not recognized by OS X.
The Mac OS X driver can be found here:
AX88772B/C Mac driver for OS X 10.5 to 10.12 Driver Installer v2.5.0
For up-to-date driver version, please visit the ASIX AX88772C drive download page.
Feature Bullets
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Slim, Stylish, and high quality. Add a reliable fast wired network interface for notebooks, ultrabooks, tablets, Surface RT 8.1, Surface Pro, MacBook Air, ChromeBook, Google Nexus 7 and other portable devices for data hungry applications such as video streaming and data storage.
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Built with ASIX AX88772C low power chipset that ensures reliable and high performance data connection. It doesn't need to re-plug USB to enable connection again when system reboots.
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No drivers installation needed (drivers built-in) on Windows 10, 8/8.1, WinPE, Surface RT 8.1 (ARM CPUs), Surface Pro, Chromebooks, ChromeOS, and Linux kernel 2.6.12+.
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Driver installation is required for Mac OS X. The installation is easy and straightforward. Driver download is available for Mac OS X 10.5 and later versions. For Linux, the drivers have built in kernel since kernel 2.6.12. Driver download for Linux 2.6.14 and later is available for kernel rebuild.
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Bus-powered (powered directly from upstream USB port). Low power consumption (only consume 220 mW). High efficient with IPv4/IPv6 packet Checksum Offload Engine to reduce CPU loading. Support Microsoft AOAC (Always On Always Connected) and Wake-on-Lan features. Supports full duplex operation with IEEE 802.3x flow control and half duplex operation with back-pressure flow control.
Product Description
The Ableconn USB to 10/100 Fast Ethernet Network Adapter adds a RJ45 Fast Ethernet port to your Windows, Mac, or Linux system. It provides you an easy way to connect wired network for reliable data communication and data hungry applications such as video streaming, data storage, etc. With widely supported AX88772, this network adapter ensures compatibility on most platforms.
Features
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Built with ASIX AX88772C chipset
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IEEE 802.3, IEEE 802.3u compliant
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USB Specification v2.0, and v1.1 compliant
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Certification: FCC, CE
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Operating Temperature: 0°C~70°C
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Power Consumption: 220 mW
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Equipped with power and link diagnostic LEDs
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Offer Multiple power management Wake-on-Lan features including Magic Packet, Microsoft Wakeup Frame, and Link Status Change that allows systems to enter a low power state and wake on desired network traffic.
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Support Microsoft AOAC (Always On Always Connected) feature
Compatibility and OS Support
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Microsoft signed 32/64-bit drivers for Windows 8, 7, Vista, and XP.
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No driver installation is needed (drivers built in) on Windows 10, 8/8.1, Surface Pro 1/2/3, Surface Windows RT 8.1 (ARM CPU), Linux 2.6.12+, ChromeBook, ChromeOS, Google Nexus 7, and others. Driver download for Linux 2.6.14 and later is available for kernel rebuild
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Driver installation is required for Mac OS X. Installation is easy and straightforward. Driver download is available for Mac OS X 10.5 and later versions.
Package Contents
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Ableconn USB 2.0 to 10/100 Fast Ethernet Network Adapter
Warranty
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Limited One-Year Warranty and Lifetime Product Support