This article provides instructions on how to download the latest driver of your Adaptec AHA-3950U2B - Ultra2 SCSI 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 AHA-3950U2B - Ultra2 SCSI driver. Be attentive to download software for your operating system.

Description: Adaptec AHA-3950U2B - Ultra2 SCSI 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: aic78xx_aic78u2_win7_2k8r2_x86_v605457.exe
Version: 006.000.5457.000
Date: 2010-02-02
Filesize: 190.92K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: aic78xx_aic78u2_vista_x86_v605456.exe
Version: 006.000.5456
Date: 2006-06-06
Filesize: 137.77K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: DigiUtils71Setup.exe
Version: 005.001.2600.000
Date: 2002-01-11
Filesize: 68.32M
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: ScanJet.zip
Version: 005.001.2600.000
Date: 2001-07-01
Filesize: 287.74K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

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Filename: server_adaptecaic-7899g.exe
Version: 000.010
Date: 2000-08-08
Filesize: 1.31M
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now