The Adaptec SCSI Card A-R is a half-size, bit MHz PCI-X, single-channel Ultra SCSI card with integrated HostRAID. The Adaptec A-R. The Adaptec SCSI Card is a bit MHz PCI-X, dual-channel Ultra SCSI card with integrated HostRAID. Adaptec A Ultra SCSI Card w/HostRAID support. Overview The Adaptec SCSI Card A-R is a half-size, bit MHz PCI-X, single-channel.
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