This article provides instructions on how to download the latest driver of your Adaptec AUA-3121 PCI To USB Enhanced Host Controller driver adapter.

NOTE: Make sure your computer has an active Internet connection. If your computer is plugged into the router and cannot get online, disconnect it from your router and plug it directly into your Cable or DSL modem.

As there are many drivers having the same name, we suggest you to try the Driver Tool, otherwise you can try one by on the list of available driver below.
Please scroll down to find a latest utilities and drivers for your Adaptec AUA-3121 PCI To USB Enhanced Host Controller driver. Be attentive to download software for your operating system.

Description: Adaptec AUA-3121 PCI To USB Enhanced Host Controller driver setup Version: 4.2.8 Date: 09 Sep 2014 Filesize: 0.81 MB Operating system: Windows XP, Visa, Windows 7,8 (32 & 64 bits) Download Now

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Filename: 1843f8eed26116db8fc04238eda9a6a2.exe
Version: 003.002.001.3001
Date: 2004-04-21
Filesize: 164.00K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: aua1411_usb2_win_drvm_v32.exe
Version: 003.002.000.4000
Date: 2003-04-03
Filesize: 3.27M
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: aua1411_usb2_win_drv_v32.exe
Version: 003.002.000.4000
Date: 2003-04-03
Filesize: 256.50K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: 771a7789cde30c4727beeba82d0e9a6e.exe
Version: 003.001.000.4001
Date: 2002-11-14
Filesize: 163.00K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: usb2_win_drv_v31a.exe
Version: 003.001.000.4001
Date: 2002-11-14
Filesize: 163.00K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now