The Adaptec 29160N is tailored to the needs of small multi-user work group servers and powerful workstation users. This 32-bit PCI card gets the most out of high-performance Ultra160 SCSI internal hard drives and the widest selection of popular external SCSI devices. It supports up to 15 devices! To ensure data integrity and reliability with high performance, Ultra160 SCSI includes CRC (Cyclic Redundancy Checking). CRC checks all transferred data, adding significantly to data integrity. Domain validation intelligently verifies system configuration for improved reliability. The Ultra160 SCSI card also enables up to 12 meter cable-lengths for optional configuration flexibility.