Adaptec's PCI-X zero-channel RAID card offers the ideal solution for customers who want an affordable, flexible upgrade path to advanced RAID. The Adaptec SCSI RAID 2020ZCR card provides an affordable, high performance solution to businesses requiring data protection. Its low profile form factor is ideal for workstations and high-density server environments.The Adaptec SCSI RAID 2020ZCR card takes advantage of the system motherboard's existing Ultra U320 SCSI I/O channels by using complimentary logic designed on the motherboard. This innovative approach reduces the cost of the RAID card by eliminating the need for a SCSI I/O chip on the card. The Adaptec 2020ZCR card offers high-speed throughput, scalability, space saving features, and a cost-effective upgrade path to a full-feature PCI-X RAID solution.