Results 1 - 24 of 24 - Adaptec D Ultra2 Wide SCSI Controller AHAD 90 DAY WARRANTY . Adaptec U2-with SCSI LVD-SE PCI Controller AHAU2W B Card Adaptec 80MB PCI-to-Ultra2 Wide Adapter AHAU2. Use the links on this page to download the latest version of Adaptec AHAU2/U2W - Ultra2 SCSI drivers. All drivers available for download have been. Adaptec AHAC/C/C/C PCI SCSI Controller · Adaptec Adaptec AHAU2 - Ultra2 SCSI Adaptec AHAU2/U2W - Ultra2 SCSI.