Technical information

iii ATTO Technology ExpressRAID for Macintosh
Appendix B SCSI Host Adapter Selection Guide
ATTO Technology offers a number of SCSI and Fibre Channel solutions for storage. The following chart
compares the features of ExpressPCI SCSI host adapters.
Supported platforms: Sun Solaris; Linux; NetWare; SCO Unix; Windows 2000, 95/98, NT, and Macintosh
OS and OS X.
Complete RAID packages are also available and include an ExpressPCI SCSI host adapter, ExpressRAID
software and appropriate cable(s). Add "-KIT" suffix to host adapter product code (i.e. EPCI-UL3D-KIT)
Specific features
Single Channel ExpressPCI Ultra 320 Express PCI Ultra 3 Express PCI Ultra
Wide
Express PCI Ultra
Wide Differential
Max. transfer rate 320 MB/sec 160 MB/sec. 40 MB/sec. 40 MB/sec.
LVD
✔✔
HVD ✔
64-bit PCI ✔✔
32-bit PCI ✔✔✔✔
33/66 MHz PCI ✔✔
133 MHz PCI-X ✔
Bus ID support 30 30 15 15
Part number EPCI-UL4S EPCI-UL3S EPCI-PSC EPCI-PSCd
Dual Channel--- 2
independent channels
ExpressPCI Ultra 320 Express PCI Ultra 3 Express PCI Ultra Wide
Max. transfer rate 640 MB/sec 320 MB/sec. 80 MB/sec.
LVD
✔✔
64-bit PCI ✔✔
32-bit PCI ✔✔✔
33/66 MHz PCI ✔✔
133 MHz PCI-X ✔
Bus ID support 30 30 30
Part number EPCI-UL4D EPCI-UL3D EPCI-DC