This Adaptec SCSI Card 29320A-R is a reliable storage controller that allows you to connect your SCSI devices with ease. With a single channel and 4 ports, this unit is perfect for those who want to upgrade their storage capabilities. The card is compatible with both PCI and PCI-X ports, making it an easy addition to your existing computer system. The Adaptec SCSI Card 29320A-R is designed for use with Ultra320 SCSI devices and comes equipped with both internal and external interfaces, making it a versatile option for any user. Whether you're looking to increase your storage capacity or simply need to replace an outdated controller, this Adaptec SCSI card is an excellent choice.