This article provides instructions on how to download the latest driver of your Adaptec AAR-1420SA Serial ATA HostRAID 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 AAR-1420SA Serial ATA HostRAID Controller driver. Be attentive to download software for your operating system.

Description: Adaptec AAR-1420SA Serial ATA HostRAID 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: aar81xx_x64_win2k3_win7_b11999_1.exe
Version: 001.005.11999.001
Date: 2012-02-23
Filesize: 320.94K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: aar81xx_win2k3_win7_b11999_1.exe
Version: 001.005.11999.001
Date: 2012-02-23
Filesize: 299.93K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: aar81xx_x64_win2k3_win7_b11998_3.exe
Version: 001.005.11998.003
Date: 2010-09-21
Filesize: 325.14K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: aar81xx_win2k3_win7_b11998_3.exe
Version: 001.005.11998.003
Date: 2010-09-21
Filesize: 304.15K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: aar81xx_x64_win2k8r2-win7_b11994.exe
Version: 001.005.11994.000
Date: 2010-01-12
Filesize: 284.13K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now