Adaptec Serial ATA II RAID 1420SA Driver Download (Official)

10 Ratings

Supported Models

Adaptec Serial ATA II RAID 1420SA Driver

Adaptec AAR-1420SA Serial ATA HostRAID Controller Driver

Adaptec AAR-1430SA Serial ATA HostRAID Controller Driver

Adaptec Processor Device (Pseudo) Driver

Adaptec Serial ATA II RAID 1430SA Driver



Supported Operating Systems

Windows XP

File Name

aar81xx_win2k3-xp-vista_b11975_cert.exe (267.9 KB)


1.5 (24-Aug-2007)

Find Related Drivers

Uploader Notes

HostRAID Driver File

Uploaded By

Gitanjali (DG Staff Member) on 2-Jan-2012

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
ENCLOSURE.REG 623 bytes 3 Jul 2007
HIGHPERF.REG 903 bytes 3 Jul 2007
Relnotes.txt 11.3 KB 6 Aug 2007
TIMEOUT.REG 689 bytes 3 Jul 2007
WHQL.REG 895 bytes 3 Jul 2007 11.2 KB 27 Aug 2007
aar81xx.inf 21.9 KB 3 Jul 2007
aar81xx.sys 320.0 KB 3 Jul 2007
satadsk1 44 bytes 3 Jul 2007
txtsetup.oem 8.2 KB 3 Jul 2007

How to Update Adaptec Serial ATA II RAID 1420SA Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Adaptec Serial ATA II RAID 1420SA driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Adaptec Serial ATA II RAID 1420SA into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for Adaptec Serial ATA II RAID 1420SA. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Adaptec website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

This website is not affiliated with Adaptec. All company names/logos are properties of their owners.
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