Adaptec 29320-R SCSI Card SCSI interface cards/adapter

29320-R SCSI Card, PCI-X The Adaptec SCSI Card 29320 enables you to connect up to 15 Low Voltage Differential (LVD) and/or 15 Single-Ended (SE) SCSI devices—such as very large arrays of high-performance hard disk drives, external storage subsystems, Ultra320/160 hard disk drives, scanners, and CD-ROM drives—to any Intel-based computer with 64- or 32-bit PCI/PCI-X expansion slots.
The Adaptec SCSI Card 29320 has one internal and one external 68-pin LVD/SE connector and two internal SE SCSI connectors (one 68-pin and one 50-pin).

Although the Adaptec SCSI Card 29320 is a 64-bit PCI/PCI-X
card, it also works in a 32-bit PCI slot. When installed in a 32-bit
PCI slot, the card automatically runs in the slower 32-bit mode.