"...Tekram announces the latest technology with of Ultra 160 SCSI host adapters, DC-390U3D/U3W series. The DC-390U3D is a PCI dual channel Ultra 160 SCSI host adapter, supporting the combined data rate up to 320MB/s and 30 devices maximum while the DC-390U3W supports up to 160MB/s and 15 devices maximum. To maximize the date transfer rate on the PCI bus, both DC-390U3D and DC-390U3W are designed to work with 64 or 32 bit PCI slots.
Besides using the controller for Ultra 160 SCSI devices, the DC-390U3D/U3W series supports the popular 50 pin narrow SCSI devices such as CD-R/RW/DVD ROM drives, MO, Scanner and Tape backup devices. All Tekram SCSI provide 5 years warranty..."