The Adaptec SCSI Card 29160N with its wide array of OS support is tailored to the needs of small multi-user work group servers and powerful workstation users who need to attach external narrow SCSI devices. This 32-bit PCI card gets the most out of high-performance Ultra160 SCSI internal hard drives and popular external narrow SCSI devices.SpeedFlex technology ensures top performance of all connected devices, regardless of SCSI generation. Seamless backwards compatibility protects legacy devices. CRC (Cyclical Redundancy Checking) improves data integrity. Domain Validation intelligently verifies system configuration for improved reliability.