Connect your Sans Digital SCSI products with high performance 64-bit, 133MHz Ultra320 U4 Dual Channel SCSI Host Bus Adapters. Compatible with MR5S1, MR5S2, AR208S, AR212S, and AR316S products. This single channel Ultra320 HBA allows you to connect the MR5S1 or MR5S2 with industry proven SCSI technology. AccuRAID RAID subsystems are also supported. This Ultra 320 SCSI card built with LSI chipset that incorporates features Packetized Protocol, Quick Arbitration and Selection (QAS), Skew compensation, Domain Validation, among others to further enhance SCSI performance and reliability.